Refractaloy 26 (R26, R-26, AISI 690, Z6NKCDT38, AMS 5760) Forged Parts

Our 80,000㎡ advanced manufacturing plant in Jiangyin is equipped with advanced forging equipment, including 2000–6300 ton hydraulic presses, 1–5 ton electro-hydraulic hammers, and 5‑meter seamless ring rolling mills. We also operate an in-house testing laboratory furnished with facilities for chemical analysis, mechanical property testing, metallographic examination, and non-destructive testing, making sure every Refractaloy 26 forging meets the strictest international standards.

Comprehensive Refractaloy 26 Forged Product Shapes & Capabilities

We produce a full range of Refractaloy 26 (R26) forged products in all kinds of shapes and sizes to meet your specific project requirements. Following are our manufacturing capabilities:

Forged Bars & Rods

• Round bars, square bars, flat bars, rectangular bars and hollow bars
• Maximum diameter: up to 2 meters
• Maximum length: up to 15 meters
• Single-piece weight: up to 30 tons
• Available in rough forged, turned, ground or polished finishes

Seamless Rolled Rings

• Custom seamless rolled rings and open die forged rings
• Maximum diameter: up to 6 meters
• Maximum height: up to 1.5 meters
• Single-piece weight: up to 30 tons
• Ideal for turbine casings, valve seats and rotating parts

Hollow Components

• Hubs, housings, shells, sleeves, bushes, cases and hollow bars
• Outer diameter capacity: up to 3000 mm
• Wall thickness: from 20 mm to 500 mm
• Seamless construction for maximum strength and integrity

Flat Products

• Discs, disks, blocks, plates and flanged blanks
• Maximum diameter: up to 3 meters
• Maximum thickness: up to 500 mm
• Single-piece weight: up to 20 tons
• Perfect for turbine disks, valve discs and pressure vessel parts

Tubular Products

• Pipes, tubes, tubings, piping shells, casings and barrels
• Seamless forged construction for high-pressure applications
• Custom lengths and wall thicknesses available
• Supplied with complete NDT testing and certification

All our Refractaloy 26 forgings are supplied with full Mill Test Certificates (MTC) based on EN 10204 3.1, and we can provide EN 10204 3.2 third‑party co‑signed certificates upon customer request. Every forging is given strict quality inspections, including ultrasonic testing, magnetic particle testing, chemical analysis, mechanical property testing and metallographic examination. We also offer third‑party inspection services by SGS, BV, TÜV and other well‑recognized organizations as required.

Industrial Applications of Refractaloy 26 Forged Parts

Refractaloy 26 (AISI 690) is widely used in industries where parts must withstand extreme temperatures, high pressures and mechanical stress. It has a unique combination of properties ,so that it is the best choice material for the following important applications:

Power Generation Industry (Primary Application)

Refractaloy 26 is widely used in both gas and steam turbines for power generation plants worldwide. It has excellent high-temperature strength and creep resistance so that it can work reliably even under the most severe conditions:

• Gas and steam turbine blades, vanes and buckets
• Turbine disks, impellers and blisks
• Turbine guide rings, seal rings, labyrinth rings and packing seals
• Diaphragms, diaphragm nozzles and rotor end rings
• Gas turbine LPT 1st & 2nd stage turbine casings
• Power plant steam turbine control and reheat valve discs
• MSV/GV/CV/CRV valve seats, valve cores, valve sleeves and spools
• Main steam valve covers, bonnets and sleeves
• Turbine valve spindles, stems and rods
• Combined-cycle power plant parts

Oil & Gas Industry

In the oil and gas industry, Refractaloy 26 is used for parts that must withstand high temperatures, high pressures and corrosive environments:

• High-temperature and high-pressure valve parts
• Compressor blades and impellers for gas processing plants
• Wellhead equipment and Christmas tree parts
• Subsea pipeline connectors and flanges
• Refinery and petrochemical processing equipment

Aerospace Industry

The aerospace industry relies on Refractaloy 26 for critical engine parts that need excellent performance at elevated temperatures:

• Aircraft engine turbine parts
• Combustion chamber parts
• Exhaust system parts
• Afterburner parts

Marine Industry

Refractaloy 26 is used in marine propulsion systems and power generation equipment for ships and offshore platforms:

• Marine propulsion system turbine parts
• Shipboard power generation equipment
• Offshore platform turbine parts

Proven Global Project References for Refractaloy 26 Forgings

Our Refractaloy 26 (Z6NKCDT38) forged parts have been successfully used in many important projects worldwide, demonstrating our ability to meet the highest quality standards and delivery requirements:

Asia Pacific Region

1. Canta Ratchaburi Power Plant, Thailand: Supplied Refractaloy 26 forged bars for steam turbine valve assemblies, guaranteeing reliable operation at temperatures up to 650°C and pressures up to 160 bar.
2. Multiple Thermal Power Plants, China: Provided Jiangsu, Zhejiang, and Guangdong provinces hundreds of tons of forged turbine disks, blades, and valve parts for combined-cycle power generation plants.
3. Petrochemical Complex, Singapore: Provided R26 forged valve bodies and seats for high-temperature hydrocarbon processing units.

Europe & North America

1. Leading European Aerospace Companies: Supplied Refractaloy 26 forged parts for aircraft engine turbine systems. All parts come with full EN 10204 3.2 third-party certification and have been tested by 100% ultrasonic inspection according to the aerospace quality plans set by the customer.
2. Power Generation Plants, Germany: Delivered Refractaloy 26 seamless rolled rings for gas turbine casings and rotor parts.
3. Oil Refinery, United States: Provided custom R26 forged parts for processing equipment that work at high-temperature

Middle East & Africa

1. Multiple Oil and Gas Projects, Saudi Arabia: Supplied R26 forged valves and piping parts for high-temperature hydrocarbon processing facilities.
2. Combined-Cycle Power Plant, UAE: Delivered Refractaloy 26 turbine blades and valve parts for a 2000 MW power generation facility.

Detailed Refractaloy 26 Material Specifications

Chemical Composition (%)

Precision Heat Treatment Process

Refractaloy 26 responds to a carefully controlled precipitation-hardening heat treatment process to get its improved mechanical properties. Our experienced metallurgists strictly adhere to the following process parameters:

1. Solution Treatment:
   • Holding temperature: 1025°C ± 10°C
   • Holding time: Minimum 12 hours (sufficient for complete recrystallization and uniform grain matrix)
   • Cooling: Rapid oil or water quenching to room temperature
2. Two-Step Ageing Treatment:
   • First ageing: 815°C ± 8°C for minimum 20 hours, followed by controlled furnace cooling to 730°C
   • Second ageing: 730°C ± 8°C for minimum 20 hours, followed by air cooling to room temperature

This precise heat treatment process develops the gamma prime (γ') precipitates that give Refractaloy 26 its excellent high-temperature strength and creep resistance.

Guaranteed Mechanical Properties

• Hardness: 262–331 HB (26–35.5 HRC)
• Room Temperature Tensile Strength: Minimum 1005 MPa (145,000 PSI)
• Room Temperature Yield Strength (0.2%): Minimum 550 MPa (80,000 PSI)
• Elongation: Minimum 13%
• Reduction of Area: Minimum 20%
• High-Temperature Rupture Strength:
  • 565°C at 610 MPa: Minimum 100 hours
  • 650°C at 610 MPa: Minimum 100 hours
  • Elongation after rupture: Not less than 5%
• Grain Size: Minimum Grade 3 (according to UNI EN ISO 2624)

Physical & Thermal Properties of Refractaloy 26

Besides mechanical strength, the physical and thermal properties of Refractaloy 26 are equally important for engineers performing thermal stress calculations, tolerance stack‑up analyses, and heat transfer modeling. The data below represents measured values from our production batches and aligns with published AMS 5760 material specifications:

Comprehensive Quality Control & Testing

All our Refractaloy 26 forgings are strictly controlled in the whole  production  process to make sure they meet or exceed international standards. Our testing procedures include:

• Chemical Analysis: Spectrometric analysis of each heat to verify composition
• Hardness Testing: Brinell and Rockwell hardness testing at both ends of each bar
• Macrographic Examination: Etching inspection to check for internal defects and uniformity
• Grain Size Testing: Metallographic examination to ensure proper grain matrix
• Room Temperature Tensile Testing: To verify strength and ductility properties
• High-Temperature Tensile and Creep Testing: To ensure performance at operating temperatures
• Ultrasonic Inspection (UT): Per ASTM A388 to detect internal flaws
• Magnetic Particle Testing (MT): To detect surface and near-surface defects
• Non-Metallic Inclusion Analysis: To ensure material cleanliness
• Dimensional Inspection: Precision measurement of all important dimensions

Refractaloy 26 International Standards Equivalency Guide

 One of the most common points of confusion for procurement teams is that Refractaloy 26 is marketed under various designations and specification numbers across different countries and industries. A part specified as “Z6NKCDT38” in a French nuclear power project and one specified as “AMS 5760” in a U.S. aerospace standard belong to the same alloy family in terms of chemical composition and performance. The table below provides a clear cross‑reference guide, built on our more than 25 years of experience serving customers in more than 50 countries:

How Refractaloy 26 Compares to Alternative High-Temperature Alloys

Engineers choosing materials for high-temperature turbine and valve applications often compare Refractaloy 26 with Inconel 718, Waspalloy, A-286, and Nimonic 80A. Each alloy has a unique performance profile and cost structure. The comparison below is based on our production experience and is intended for guidance only — not as a substitute for formal materials engineering review for your specific operating conditions.

From our experience supplying all four of these alloys over 25+ years, the most common switching patterns we see from customers are:

• A-286 → Refractaloy 26: When a power plant upgrade increases steam parameters above 600°C and the existing A-286 valve seats begin showing accelerated creep deformation. R26's superior creep life at 650°C justifies the material cost premium.
• Inconel 718 → Refractaloy 26: In long-duration steam turbine applications (10,000+ hours between overhauls), Inconel 718 can form undesirable delta (δ) phase precipitates at 650°C that reduce toughness. R26's cobalt content significantly delays this microstructural degradation.
• Waspalloy → Refractaloy 26: When cost reduction is needed without sacrificing performance below 760°C. For power generation applications that do not reach Waspalloy's temperature sweet spot (>800°C), R26 delivers comparable performance at a meaningfully lower alloy cost.

Weldability of Refractaloy 26 — Practical Guidelines

Refractaloy 26 is weldable, but demands carefully qualified welding procedures. As a precipitation‑hardening alloy, welding R26 in its aged (hardened) condition carries a high risk of strain‑age cracking — a failure mode where residual welding stresses combined with precipitation kinetics lead to intergranular cracking during post‑weld heat treatment. The guidelines below are based on our internally qualified welding procedures and practical field feedback from our worldwide customers:

Recommended Welding Methods

• Gas Tungsten Arc Welding (GTAW / TIG): Preferred method for Refractaloy 26. Low heat input and excellent arc control minimize the risk of hot cracking. All repair welds on finished forgings in our facility use GTAW exclusively.
• Gas Metal Arc Welding (GMAW / MIG): Acceptable for heavier structural welds, but requires careful parameter control to avoid excessive dilution and heat input.
• Electron Beam Welding (EBW): Used in aerospace applications where maximum joint efficiency and minimum heat-affected zone are required. Generally not applicable for field repairs.
• Avoid Shielded Metal Arc Welding (SMAW): Not recommended for critical R26 applications due to the higher risk of hydrogen-induced cracking and lack of precise heat input control.

Pre-Weld & Post-Weld Procedure

• Weld in the solution-treated (annealed) condition whenever possible. Welding aged material dramatically increases strain-age cracking risk. If field repair of an aged component is unavoidable, consult a qualified welding engineer.
• Pre-heat to 150–200°C for sections thicker than 25 mm to reduce thermal gradient and minimize residual stress buildup.
• Use matching or over-alloyed filler wire. We recommend Inconel 82 (ERNiCr-3) or Inconel 625 (ERNiCrMo-3) filler material depending on the application and joint design.
• Post-Weld Heat Treatment (PWHT): Full re-solution treatment at 1025°C followed by the standard two-step ageing cycle is required to fully restore mechanical properties. Stress-relief-only PWHT is not sufficient to eliminate susceptibility to delayed cracking.
• Interpass temperature: Keep below 150°C between passes to avoid excessive grain growth in the heat-affected zone.

Machining Refractaloy 26 — From Our CNC Workshop

 Refractaloy 26 is classified as a difficult-to-machine superalloy, with a machinability rating of roughly 20% compared to 304 stainless steel (which is already regarded as moderately difficult to machine). This is not a drawback of the alloy — it is a direct result of its outstanding high-temperature strength.Nevertheless, with the proper tooling strategy and cutting parameters, consistent and cost-effective machining is fully achievable. Our in-house CNC team machines R26 forgings daily, and the following guidance reflects our optimized shop-floor practices:

Why Refractaloy 26 Is Challenging to Machine

• Work hardening: R26 work-hardens rapidly during cutting. A tool that dwells or rubs without cutting — even briefly — creates a hardened surface layer that dramatically accelerates tool wear on the next pass.
• High cutting forces: The alloy's elevated hot hardness means the cutting tool must do significant work even at the chip formation zone, generating high heat and tool tip loading.
• Abrasive carbide particles: The titanium and molybdenum carbides in R26's microstructure are highly abrasive, causing flank wear much faster than on standard steels.
• Built-up edge (BUE) tendency: At too-low cutting speeds, R26 has a tendency to weld onto tool edges, causing sudden catastrophic tool failure and poor surface finish.

Recommended Machining Parameters for Refractaloy 26

The Refractaloy 26 Forging Process — A Manufacturer's Inside View

Understanding how Refractaloy 26 is forged — not just that it can be forged — helps procurement and engineering teams make better decisions about tolerances, lead times, and realistic expectations for finished part quality. We are sharing this information because transparency about our process is the foundation of the trust we have built with customers in over 50 countries over 27 years.

Why Forging Is Superior to Casting for Refractaloy 26

Some customers initially inquire about cast R26 components, particularly for complex geometries. While casting is technically feasible, for structural applications in turbines and valves, forging consistently outperforms casting for six measurable reasons:

• Refined grain structure: Forging mechanical work breaks down the coarse columnar grains that form during solidification, producing a uniform fine-grained structure with superior fatigue resistance.
• Absence of porosity: Cast R26 can contain shrinkage porosity and gas porosity that — even when detected by UT — require costly repair and re-inspection. Forged billets from VIM+ESR stock are inherently pore-free.
• Directional grain flow: Our forge press operators orient the workpiece so that final grain flow aligns with the primary stress direction of the part — a geometric advantage that castings structurally cannot replicate.
• Superior creep resistance: The controlled deformation of forging further disperses the γ' and γ'' strengthening precipitates more uniformly than casting, yielding consistently better high-temperature creep properties in independent laboratory testing.
• Better mechanical property consistency: Casting introduces significant property scatter due to dendritic segregation. Forging, combined with our ESR refining process, yields a tighter property distribution — which means your safety margins are real, not just nominal.
• Regulatory acceptance: Major power turbine OEM specifications — including Siemens Energy, GE Steam Power, and MHI — mandate wrought (forged or rolled) material for pressure-bearing components. Cast R26 cannot meet these specifications regardless of its measured properties.

Refractaloy 26 Forging Temperature & Process Window

R26 has a relatively narrow forging window compared to carbon steels or even 316 stainless steel, which is why inexperienced suppliers often struggle to produce defect-free forgings. Our forging parameters, refined over hundreds of production runs, are:

• Billet Preheat Temperature: 850°C step hold (minimum 2 hours) → ramp to 1150°C final furnace temperature
• Forging Start Temperature: 1100 – 1175°C (above this range, excessive grain growth occurs; below, the alloy becomes too stiff for clean forging)
• Minimum Finish Temperature: 980°C — any forging blow delivered below 980°C risks cracking from adiabatic shear or surface tearing
• Heating Rate Restriction: Maximum 150°C/hour below 800°C to prevent thermal shock in large cross-sections (billets over 500 mm diameter)
• Reduction Ratio: Minimum 3:1 true reduction needed from the VIM+ESR ingot to get the grain refinement that meets AMS 5760 grain size requirements
• Number of Heats: Large forgings (over 5 tons) typically require 3–5 separate furnace heats with intermediate forging passes. Attempting to complete the work in fewer heats risks centerline cracking from thermal gradient stresses.
• Die Temperature: Dies are preheated to 200–300°C to reduce thermal shock on the workpiece surface at first contact

Corrosion & Oxidation Resistance in Real Operating Environments

The corrosion resistance of Refractaloy 26 is multi-dimensional — not simply "it resists corrosion." Engineers specifying R26 for specific environments should understand its performance profile across different corrosion mechanisms:

• High-Temperature Oxidation (400–870°C): R26 contains 16–20% chromium, which forms a dense, protective Cr₂O₃ oxide layer that delivers excellent oxidation resistance. In our long-term oxidation tests on production-grade material, the average mass gain after 1,000 hours at 760°C in air is less than 0.8 mg/cm² — well within the acceptable limits specified by most turbine original equipment manufacturers.
• Sulfidation Resistance: In gas turbine applications where fuel sulfur content exceeds 0.1%, sulfidation attack can become a critical issue. With 18–22% cobalt content, R26 offers better sulfidation resistance than iron‑based alloys, though it is less resistant than high‑chromium alloys such as Alloy 625 under severe sulfidizing conditions.
• Steam Oxidation (for steam turbine applications): In high-pressure steam at 500–700°C, R26 exhibits a low oxidation rate and forms a protective, tightly adherent oxide scale. In our customer service records, oxide layer spallation under thermal cycling has not been identified as a field failure mode for R26 valve parts.
• Aqueous Corrosion: R26 is not usually chosen for harsh aqueous corrosion environments, such as low‑temperature acidic or chloride‑containing conditions. For these applications, alloys like Inconel 625 or Hastelloy C‑276 are more suitable. R26 is selected primarily for its high‑temperature mechanical strength and thermal stability, rather than its room‑temperature corrosion resistance.
• Stress Corrosion Cracking (SCC): In chloride-containing environments, the austenitic structure of R26 can be susceptible to SCC, though this is rarely a concern in its primary application environments (dry steam, combustion gases, and hydrocarbon streams above 200°C where chlorides are not active).

Packaging, Certification & Delivery Documentation

 We understand that for important industrial parts, documentation is just as important as the part itself. A Refractaloy 26 valve seat without a fully traceable 3.2 certificate cannot be installed in a certified power plant, no matter how precise its dimensions are. Below is our standard document package supplied with every Refractaloy 26 forging:

Standard Certification Documents (Included with Every Order)

• Mill Test Certificate (MTC) per EN 10204 3.1: Issued and signed by our in-house Quality Manager, certifying the full chemical composition and mechanical test results of the specific heat(s) used in your order. The certificate references the actual test bar heat treatment cycle and test machine calibration records.
• Ultrasonic Test Report: Full UT scan results per ASTM A388 or equivalent, showing the scanning plan, equipment calibration, and acceptance record for each individual piece.
• Dimensional Inspection Report: A dimensional check sheet signed by our QC inspector confirming compliance with your drawing or our standard tolerances.
• Heat Treatment Record: Time-temperature charts from our data-logging furnace controllers show the solution treatment and aging cycles that were used on your specific production lot.
• Positive Material Identification (PMI) Report: XRF analysis results confirming alloy identity, provided as standard for all nickel alloy orders.

Optional & Upgraded Documentation (Available on Request)

• EN 10204 3.2 Certificate: Third-party witnessed and co-signed by an independent inspector (SGS, BV, TÜV, Lloyd's Register, or customer-nominated inspector). Typically adds 5–10 business days to lead time for inspector scheduling.
• Magnetic Particle Testing (MT) Report per ASTM E709
• Liquid Penetrant Testing (PT) Report per ASTM E165
• Grain Size Test Report: Full metallographic examination with photomicrographs confirming minimum ASTM grain size per AMS 5760
• High-Temperature Tensile Test Report: Mechanical testing at elevated temperature (e.g., 565°C or 650°C) if your specification needs this data
• Creep / Stress-Rupture Test Report: Available with extended lead time; typically 12–16 weeks additional for tests at 565°C / 650°C at 610 MPa
• Aerospace-Compatible Process Documentation: Full heat treatment records, NDT reports, and material traceability packages are provided, formatted to support customers’ aerospace qualification submissions.Note: Jiangsu Liangyi is ISO 9001:2015 certified. Customers needing NADCAP-accredited processing are advised to consult our technical team to review requirements and arrange suitable subcontracting or inspection services.
• Customer-Specific Quality Plan (PPAP / ISIR): We can accommodate most customer-specific first-article inspection requirements

Packaging Standards for Safe Global Delivery

• Bars and rods: Bundled with steel strapping, end-capped with plastic protectors, and wrapped in waterproof PE film. Long bars (over 3 m) are loaded on purpose-built wooden cradles for sea freight.
• Rings and discs: Each piece individually tagged, wrapped in VCI (Vapour Corrosion Inhibitor) paper, then packed in custom-cut wooden crates. Weight is distributed evenly to prevent deformation during ocean transit.
• Machined finished parts: Important surfaces are coated with rust-preventive oil, wrapped in foam padding, and packed in rigid wooden boxes. Precision bore and sealing faces receive additional felt or foam protectors.
• Export marking: All packages are marked with part number, heat number, gross/net weight, and handling instructions (e.g., "Fragile — Do Not Drop") compliant with IATA/IMDG regulations.

How to Request a Refractaloy 26 Forging Quotation — Step by Step

We get RFQs from more than 50 countries and have streamlined our quotation process to give you a complete, accurate quote within 24 hours for standard inquiries. To avoid back-and-forth delays, please include the following information in your initial inquiry:

1. Material Specification: State the needed standard (e.g., "Refractaloy 26 per AMS 5760" or "Z6NKCDT38 per NF A 36-206"). If you have a customer-specific material specification, attach it as a PDF.
2. Product Shape & Dimensions: Please send us your engineering drawing in PDF or DXF format, or let us know the general size of the forging envelope, including diameter, length, thickness, outer diameter and inner diameter. Provide both the rough forging envelope and the final dimensions for machined parts,
3. Quantity & Delivery Schedule: State the number of pieces required and your target delivery date. If this is a repeat/blanket order, share the annual forecast — we may be able to offer staggered delivery at better pricing.
4. Required Certifications: Specify whether you need EN 10204 3.1 or 3.2 certification, and whether any third-party inspector needs to be involved in witness testing.
5. Special Testing Requirements: List any additional NDT, high-temperature mechanical testing, or special process requirements beyond our standard scope.
6. Incoterms & Port of Destination: Indicate your preferred Incoterms (FOB Qingdao/Shanghai, CIF, DAP, etc.) and destination port or city so we can include freight in the quotation if needed.

Send your RFQ to sales@jnmtforgedparts.com or via WhatsApp at +86-13585067993. Our technical sales team — fluent in English and Chinese — will acknowledge your inquiry within 2 hours during business days (GMT+8, Monday–Friday 08:00–18:00).

Why Choose Jiangsu Liangyi as Your Refractaloy 26 Forging Partner?

When you choose Jiangsu Liangyi for your Refractaloy 26 forging needs, you will benefit a lot from the following aspect:

• 25+ Years of Specialized Experience: We have been manufacturing high-temperature alloy forgings since 1997, with extensive expertise in Refractaloy 26 and other nickel-based superalloys.
• Complete Vertical Integration: From VIM+ESR steel melting to finished machined parts, we control every step of the manufacturing process.
• Advanced Manufacturing Equipment: Our Jiangyin facility has 2000–6300 ton hydraulic presses, 5-meter ring rolling machines and state-of-the-art heat treatment furnaces.
• In-House Testing Laboratory: Fully equipped with chemical, mechanical and metallographic testing equipment to guarantee product quality.
• Global Delivery Capability: We export to over 50 countries worldwide with reliable shipping and on-time delivery.
• Custom Manufacturing Solutions: We can make Refractaloy 26 forgings to meet your exact drawings and specifications.
• Full Quality Assurance: ISO 9001:2015 certified, with capability to issue EN 10204 3.1 certificates and to arrange EN 10204 3.2 third-party co-signed certificates. Third-party inspection by SGS, BV, TÜV and Lloyd's Register is available on request.
• Competitive Pricing: Direct from our Jiangyin manufacturing facility with no middlemen, guaranteeing the best value for your investment.
• Technical Expertise:  Our experienced metallurgists and engineers can provide technical support and material selection guidance.
• Fast Lead Times: We have efficient production processes and large inventory of raw materials so that we can meet tight delivery schedules.

Frequently Asked Questions About Refractaloy 26 Forgings

Contact Us for Refractaloy 26 Forging Quotations

Send us your custom drawings, material requirements, quantity and delivery schedule for a detailed quotation today! Our experienced sales team will respond to your inquiry within 24 hours with competitive pricing and technical information.

We also manufacture a wide range of other high-temperature alloy forgings including Inconel 718, Inconel 625, Nimonic 80A and Waspalloy. Contact us to learn more about our complete product range.