ASTM A182 F22 Forging Parts – Basic Information
ASTM A182 F22 (Grade F22, 2.25Cr-1Mo, UNS K21590) is a chromium-molybdenum low alloy steel used for high-temperature and high-pressure forgings in oil & gas, nuclear power, and petrochemical industries. Jiangsu Liangyi Co.,Limited is an ISO 9001:2015 certified factory. Established in 1997, we have exported ASTM A182 F22 forging parts to 50+ countries with an annual capacity of 120,000 tons. All the parts are in accordance with NACE MR0175 / API 6A / PED.
- Material Standard: ASTM A182 / ASME SA182 Grade F22
- Alloy System: 2.25% Cr, 1% Mo (2.25Cr-1Mo)
- UNS Number: K21590
- Max Hardness (NACE): 22 HRC
- Min Yield Strength: 75 KSI (517 MPa) / 105 KSI (724 MPa)
- Min Tensile Strength: 95 KSI (655 MPa) / 125 KSI (862 MPa)
- Cr Content: 2.00–2.50%
- Mo Content: 0.87–1.13%
- Max Operating Temp: 550°C (1022°F)
- Weight Range: 30 KG – 30,000 KG per piece
- Ring OD up to: 5,000 mm diameter
- Lead Time: 20–35 days standard; 10 days expedited
- Certifications: ISO 9001:2015, NACE MR0175, API 6A, PED
- Third-party Inspection: BV, SGS, TUV, Lloyd's
ASTM A182 F22 Forged Round Bars
ASME SA182 F22 Seamless Rolled Rings
F22 Forged Valve Bodies & Parts
Custom F22 Open Die Forgings
ASTM A182 F22 Alloy Steel Forging Overview & Standard Accordance
What is ASTM A182 Grade F22 Steel?
ASTM A182 F22 (also known as ASME SA182 F22, 2.25Cr-1Mo steel, Chromium-Molybdenum alloy steel F22) is a high-strength, deep-hardening, fully heat-treatable low alloy steel, globally known as the industry standard for high-temperature, high-pressure industrial uses, and a premium upgrade over traditional AISI 4130 steel.
Its main alloying elements include 0.05-0.15% carbon, 2.25% chromium, and 1.0% molybdenum. It has great creep resistance, high-temperature tensile strength and great corrosion resistance in sour service (H2S) environments. This makes ASTM A182 F22 forging parts the best choice for critical uses in oil & gas, power generation, petrochemical and nuclear industries worldwide.
Established in 1997, Jiangsu Liangyi Co.,Limited is a professional leading manufacturer of custom ASTM A182-F22, ASTM A182 Grade F22, ASME SA182 F22, and ASTM A366 F22 open die forgings and seamless rolled rings in China. Our 80,000㎡ factory is equipped with advanced forging, heat treatment, and precision CNC machining equipment, with an annual production capacity of 120,000 tons, serving clients across 50+ countries in North America, Europe, the Middle East, Southeast Asia, and Australia.
All our F22 forging parts are manufactured in strict accordance with international standards, including NACE MR-0175/ISO 15156, ASTM A182/182M, ASME SA182/SA182M, ASTM A366/366M, API 6A, PED 2014/68/EU, with a full set of traceable materials from raw material melting to finished machining.
F22 Forging Shapes
We have custom manufacturing capabilities for F22 alloy steel forgings, from raw material melting, forging, heat treatment to CNC machining, strictly according to your drawings and technical manuals. The shapes of F22 forging parts we can make are as below but not limited:
- Forged Bars & Shafts: ASTM A182 F22 forged round bars, square bars, flat bars, rectangular bars, step shafts, gear shafts, splined drive shafts and custom rods for structural and rotating uses
- Seamless Rolled Rings: ASME SA182 F22 forged seamless rolled rings, gear rings, turbine guide rings, seal rings, labyrinth rings, flange blanks, and contoured rolled rings up to 5 meters in diameter
- Hollow & Cylindrical Parts: F22 forged hubs, housings, shells, sleeves, bushes, bushings, cases, hollow bars, piping shells and casings
- Plate & Block Forgings: F22 forged discs, disks, blocks, plates, blanks, and custom forged modules for fluid ends, pump bodies, and pressure vessel parts
- Pressure Vessel & Heat Exchanger Parts: F22 forged tube sheets, nozzles, channel flanges, barrel shells, and custom parts for boilers, reactors and heaters
We manufacture F22 forged steel products ranging from 30KGS to 30,000KGS per piece, in accordance with your drawings. We also produce a full range of other alloy steel forgings including ASTM A182 F11, A182 F91, and A182 F5. See more information about our production capabilities on our Equipment page.
Industry Uses & Global Cases
Our ASTM A182 F22 forging parts work well even in the strictest high-temperature, high-pressure, and corrosive operating environments. They are used in the industries as below:
Oil & Gas Upstream, Midstream & Downstream (NACE MR0175 & API 6A Accordance)
ASTM A182 F22 is the global industry standard for sour service oil and gas uses. Our forgings are used for critical parts in onshore, offshore, and subsea projects across North America, the Middle East, and Southeast Asia:
- Wellhead Christmas trees, casing heads, tubing heads, casing hangers, tubing spools, and spacer spools
- Downhole drilling tools, mud motor parts, ESP motor shafts, drill collars and landing bowls
- High-pressure frac pump fluid end blocks, blowout preventer (BOP) bodies and parts
- Forged flanges, swivel ring flanges, double studded adapter flanges, wye pieces, and swept branch fittings
- Valve bodies, bonnets, stems, balls, seat rings, discs, and closures for ball valves, gate valves, check valves and choke valves
North America Case: US Shale Gas Fracturing Equipment (ASME Accordance)
We have supplied over 12,000 sets of NACE MR0175-compliant ASTM A182 F22 forged pump fluid end blocks, wellhead parts, and high-pressure valve bodies for leading oil and gas companies in the Permian Basin and Eagle Ford Shale, USA. All F22 forging parts are strictly heat-treated to a maximum hardness of 22 HRC, engineered for 10,000+ PSI ultra-high pressure fracturing operations. Our F22 forgings have had no part failures in the last 5 years and perform 40% better than traditional AISI 4130 steel in fatigue life and corrosion resistance.
Nuclear Power Generation (ASME Nuclear Grade Compliance)
Our ASME SA182 F22 nuclear-grade forgings are used in global nuclear power facilities because of their safety and good performance. They can meet nuclear industry standards for projects in Southeast Asia, Europe, and China:
- Nuclear reactor coolant pump casings, impellers, trunnions, and containment seal chambers
- Steam turbine guide rings, seal rings, labyrinth rings, rotor end rings, and casing rings
- Pressure vessel parts, nozzles, and tube sheets for nuclear island systems
Asia Pacific Case: Southeast Asia 1000MW Nuclear Power Units
We provided custom ASME SA182 F22 nuclear-grade forged pump casings, impellers, and trunnions for 3 1000MW-class pressurized water reactor nuclear power units in Southeast Asia. All F22 forgings are according to ASME Boiler and Pressure Vessel Code Section III, with full batch traceability from raw material to finished product. After precision normalizing, quenching, and tempering, our F22 forging parts have stable mechanical properties in high-radiation, high-temperature operating conditions, with a continuous service life of over 8 years.
Power Generation & Turbo machinery (EN & ASME Accordance)
F22 alloy steel has good creep resistance at elevated temperatures up to 550°C, so that it is the best choice for fossil fuel power generation and turbo machinery parts for projects across the European Union, Australia, and the Middle East.
- Gas and steam turbine guide rings, seal rings, labyrinth rings, and rotor parts
- Centrifugal compressor rotors, shrouded impellers, shafts, and casing parts
- Boiler, heat exchanger, and pressure vessel parts for thermal power plants
Europe Case: EU Combined Cycle Power Plant Turbo machinery (PED Accordance)
We produce custom ASTM A182 F22 forgings including turbine guide rings, labyrinth seal rings and centrifugal compressor impellers. These parts have been used in more than 25 heavy-duty gas turbines in combined cycle power plants in Germany, the UK and the Netherlands. Our F22 alloy steel forgings are heat-treated to reach a minimum yield strength of 105 KSI. With optimized microstructure, they have good creep resistance during long-term operation at temperatures above 550°C.
Petrochemical & Refining (ARAMCO & ADNOC Accordance)
Our F22 forged parts are used in high-temperature, high-pressure hydro processing, refining, and petrochemical processes, they have good resistance to hydrogen sulfide and high-temperature hydrogen attack and are used in projects in Saudi Arabia, UAE, Kuwait, and across the Middle East:
- Hydro cracking, unit pressure vessel shells, tube sheets, nozzles, and channel flanges
- Reactor, heater, and heat exchanger parts for refineries and petrochemical plants
- Flow meter bodies, Venturi cones, ultrasonic flow meter parts and custom process equipment parts
Middle East Case: Saudi Arabia Refinery Hydro cracking Project (ARAMCO Accordance)
We delivered over 600 sets of ASTM A182 F22 forged tube sheets, pressure vessel shells, and nozzle forgings for a 400,000 BPD hydro cracking project in Saudi Arabia, fully in accordance with ARAMCO project standards. All F22 forging parts are tested by UT, MT, PT, and RT non-destructive testing, and the first-pass qualification rate is 99.8%. The parts have been in stable continuous working for 4+ years, with zero material-related failures in high-temperature, high-pressure H2S environments.
ASTM A182 F22 Material Specifications & Mechanical Properties
Chemical Composition of ASTM A182 F22 Forged Steel
All our F22 alloy steel forgings are manufactured from premium raw material, with strict batch chemical composition testing to make sure they can meet ASTM A182 and ASME SA182 standards. We provide a mill test reports (MTR) with every batch, including complete chemical analysis results.
| Chemical Element | ASTM A182 F22 Standard Range |
|---|---|
| Carbon (C) | 0.05% - 0.15% |
| Silicon (Si) | 0.50% Maximum |
| Manganese (Mn) | 0.30% - 0.60% |
| Phosphorus (P) | 0.04% Maximum |
| Sulfur (S) | 0.04% Maximum |
| Chromium (Cr) | 2.00% - 2.50% |
| Molybdenum (Mo) | 0.87% - 1.13% |
Mechanical Properties of F22 Forging Parts
We offer two standard heat treatment options for F22 forgings. We can also provide custom heat treatment to meet your specific mechanical property requirements. All properties are verified through batch tensile and impact testing, all results are recorded in our EN 10204 3.1 inspection documents.
Condition 1: Normalized, Quenched & Tempered (NQT) to 75 KSI Minimum Yield Strength
NACE MR0175 compliant for sour service oil and gas uses
- Ultimate Tensile Strength (UTS): 95 KSI Minimum (655 N/mm²)
- 0.2% Proof Stress (Yield Strength): 75 KSI Minimum (517 N/mm²)
- Elongation: 18% Minimum
- Reduction of Area: 35% Minimum
- Maximum Hardness: 22 HRC (NACE MR0175 Compliant)
Condition 2: Normalized, Quenched & Tempered (NQT) to 105 KSI Minimum Yield Strength
For high-strength turbo machinery and structural uses
- Ultimate Tensile Strength (UTS): 125 KSI Minimum (862 N/mm²)
- 0.2% Proof Stress (Yield Strength): 105 KSI Minimum (724 N/mm²)
- Elongation: 15% Minimum
- Reduction of Area: 30% Minimum
- Hardness Range: 28-32 HRC (Customizable)
Quality Control & Manufacturing Capabilities
Advanced Forging, Heat Treatment & Machining Equipment
Our 80,000㎡ factory is equipped with the most advanced manufacturing equipment to produce custom F22 forging parts of all sizes and shapes:
- Forging Equipment: 2000T/4000T/6300T hydraulic forging presses, 0.75T-9T electro-hydraulic forging hammers, 1M-5M seamless ring rolling machines
- Heat Treatment Equipment: φ2*12m pit furnace, φ8*3*3m table resistor furnace, multiple gas furnaces up to 16*2.5*2.5m, with precise temperature control for consistent heat treatment results
- Machining Equipment: φ2*12m heavy sleeper lathes, φ5m vertical lathes, floor type boring and milling machines, CNC machining centers, and precision finishing equipment
- Steel Melting Equipment: 30T electric arc furnace (EAF), 30T ladle refining furnace (LF), 30T vacuum degassing furnace (VOD), and medium frequency induction furnaces
6-Step Quality Control System
We have a strict zero-defect quality management system to make sure every F22 forging meets international standards and your project requirements:
Raw Material Inspection
100% chemical composition and mechanical property testing of incoming steel, with full traceability from the steel mill
Forging Control
Strict forging ratio control (minimum 3:1) to get optimal grain structure and mechanical properties
Heat Treatment
Precision normalizing, quenching and tempering with full temperature monitoring and recorded
Non-Destructive Testing
100% UT, MT, PT testing as required, with RT testing available for critical uses
Machining & Sizes Inspection
CNC precision machining with 100% size inspection against your drawings
Final Documents & Shipping
Full EN 10204 3.1 inspection documents, with professional packaging to avoid damage during transit
Marking & Full Traceability
Each finished F22 forging is stamped in accordance with your requirements, on one side of the part and near the edge, with the following information for full batch traceability:
- Purchaser Agreement / Purchase Order Number
- Material Specification & Revision Number
- Drawing Number, Item Number & Issue Number
- Unique Forging Number & Heat Test Number
- Material Grade & Heat Treatment Condition
All forgings are fully inspected and approved before shipment, with marking methods fully in accordance with your drawing and purchase order requirements.
Custom Forging Process, MOQ & Shipping
Custom Order Process
Every order will be dealt urgently, and a project manager will be responsible for it.
- Quote Request: Send us your drawing, quantity and technical requirements via email or WhatsApp
- Quotation & Suggestion: Our tech team will give you a quote and help you with any technical issues within 24 hours.
- Order Confirmation: Check the order details, sign the contract, and make the payment
- Production & Progress Updates: Start production, share the production process status for our clients
- Final Inspection & Payment: Finish inspection, send inspection reports for every order, arrange the payment
- Shipping & After-Sales Support: Arrange shipment, provide the tracking number, and provide after-sales support
MOQ & Lead Time
- Minimum Order Quantity: 1 piece sample orders, the weight range is from 30KGS to 30,000KGS per piece.
- Standard Lead Time: 20-35 days for normal orders which depends on clients' drawings, quantity and machining requirements
- Expedited Lead Time: 10-15 days for urgent orders.
Packaging & Shipping
- Packaging: Standard wooden packing are safe for shipping by sea, with foam padding and reinforcement to keep them from getting damaged during long time sea shipping
- Shipping Methods: Sea freight, air freight, express delivery (DHL/FedEx/UPS) are available according to your requirements
- Shipping Terms: we could deliver goods to all international seaports under shipping terms such as FOB Shanghai, CIF, EXW, and DDP.
- Documents: We will provide all shipping documents to our clients, including the commercial invoices, packing lists, bills of lading, and EN 10204 3.1 inspection certificates
ASTM A182 F22 vs F11 vs F91 vs AISI 4130 – Material Comparison
We have made a comparison between ASTM A182 F22 (2.25Cr 1Mo) and other alloy steels. They are all used in high-temperature, high-pressure industrial applications. Detailed data are shown below.
| Property | F22 (2.25Cr-1Mo) | F11 (1.25Cr-0.5Mo) | F91 (9Cr-1Mo-V) | AISI 4130 (Cr-Mo) |
|---|---|---|---|---|
| Chromium (%) | 2.00–2.50 | 1.00–1.50 | 8.00–9.50 | 0.80–1.10 |
| Molybdenum (%) | 0.87–1.13 | 0.44–0.65 | 0.85–1.05 | 0.15–0.25 |
| Min Yield Strength | 75–105 KSI | 60–85 KSI | 85 KSI | 60–95 KSI |
| Max Operating Temp. | 550°C (1022°F) | 480°C (896°F) | 625°C (1157°F) | 400°C (752°F) |
| NACE MR0175 Accordance | ✅ Yes (≤22 HRC) | ✅ Yes (≤22 HRC) | ⚠️ Limited | ✅ Yes (≤22 HRC) |
| Creep Resistance | ★★★★☆ High | ★★★☆☆ Moderate | ★★★★★ Very High | ★★☆☆☆ Low |
| H₂S / Sour Service | ★★★★☆ Great | ★★★☆☆ Good | ★★★★☆ Great | ★★★☆☆ Good |
| Main Uses | Oil & gas, nuclear, petrochemical | Power generation, pipelines | Ultra-supercritical power plants | General structural, downhole tools |
| Cost Index | ★★★☆☆ Medium | ★★☆☆☆ Low-Medium | ★★★★☆ High | ★★☆☆☆ Low |
Summary: ASTM A182 F22 (2.25Cr-1Mo) has high-temperature performance and good resistance to sour environment. It is a good choice for oil & gas, nuclear and petrochemical uses. F91 is preferred only when operating temperatures exceed 550°C (ultra-supercritical power generation). F22 remains the global industry standard for critical pressure and temperature service.
Certifications, Standards Accordance & Quality Credentials
Jiangsu Liangyi Co.,Limited has the following internationally recognized certifications and has maintained zero major audit non-conformances for 10+ consecutive years:
ISO 9001:2015
Full Quality Management System certification, third-party audited annually by Bureau Veritas. All raw materials, production, inspection, and shipping are inspected.
NACE MR0175 / ISO 15156
All F22 forgings produced to sour service hardness requirements (≤22 HRC), so they work well in H₂S environments in oil & gas use.
API 6A (21st Edition)
API 6A certified for wellhead and Christmas tree equipment parts, covering valve bodies, flanges, and pressure-containing parts.
PED 2014/68/EU
EU Pressure Equipment Directive compliance for all forgings exported to European Union member states, CE mark available on request.
EN 10204 3.1 / 3.2
Full EN 10204 3.1 inspection documents issued with every shipment. EN 10204 3.2 with third-party witness available (BV, SGS, TUV, Lloyd's).
ASME Nuclear Grade
ASME Boiler and Pressure Vessel Code Section III nuclear-grade forging capability, with full batch traceability for nuclear island parts.
Frequently Asked Questions About ASTM A182 F22 Forging Parts
ASTM A182 F22 is a low alloy steel with 2.25% Chromium and 1% Molybdenum (2.25Cr 1Mo). It is used in high-temperature and high-pressure industries, and it has deep-hardening, heat-treatable, good creep resistance and corrosion resistance in sour service environments.
The maximum hardness of F22 forgings is limited to 22 HRC which make sure it can meet NACE MR0175 / ISO 15156 and be used for sour oil and gas service with H₂S environments
F22 forgings are used in oil and gas wellhead equipment, downhole drilling tools and fracturing pumps. They are also used in nuclear power reactor parts, gas and steam turbine parts, pressure vessels, heat exchangers and boilers. In addition, they can be found in petrochemical refining equipment and valve parts.
Our ASTM A182 F22 forging parts meet international standards including ASTM A182/A182M, ASME SA182/SA182M, ASTM A366, NACE MR-0175 / ISO 15156, EN 10204 3.1/3.2, API 6A, PED 2014/68/EU and ISO 9001:2015. We can also meet customers' other requirements.
The normal production time for custom F22 forgings is 20–35 days which depends on your drawings, order quantity and machining needs. For urgent projects, we also provide fast production. Simple parts can be finished in 10 days.
No, F22 is not stainless steel. It is a chromium-molybdenum low alloy steel, with a chromium content of 2.00-2.50% (stainless steel requires a minimum of 10.5% chromium). It has better high-temperature strength and harden ability than carbon steel, and it can be used under high-pressure and high-temperature conditions
The main difference is the alloy content. F22 contains 2.00–2.50% chromium and 0.87–1.13% molybdenum. F11 contains 1.00–1.50% chromium and 0.44–0.65% molybdenum. F22 has better high-temperature strength, creep resistance and harden ability. It is a good choice for high-pressure and high-temperature uses.
Yes, we can provide third-party inspection services from third-parties like BV, SGS, TUV, Lloyd's Register and others per your requirements. We can also provide EN 10204 3.2 inspection documents with third-party verification.
The weight range of F22 forgings is from 30 kg to 30,000 kg per piece. We can make seamless rolled rings up to 5 meters in diameter, and bars & shafts up to 16 meters in length.
Yes, we do all the manufacturing including forging, heat treatment, CNC machining, surface treatment and final inspection in house. We can supply F22 forgings in rough machined, semi-finished or fully finished condition, strictly according to your drawings.
We have no strict minimum order quantity. We accept sample orders of 1 piece, as well as mass production. We can produce F22 forgings from 30KGS to 30,000KGS per piece.
Yes,90% of our products are customized according to the customers' drawings and technical manuals. Please send us your detailed drawings, material specifications, heat treatment requirements, quantities and surface treatment requirements. We will provide you with a detailed quotation within 24 hours.
Custom ASTM A182 F22 Forging Parts
Jiangsu Liangyi is a manufacturer of high-quality ASTM A182 F22 forgings with over 25 years of experience in providing services to industrial customers. We have custom manufacturing capabilities, from sample forgings to mass production. All products are according to international standards and your requirements.
Welcome to contact us with your detailed drawing, material specification, heat treatment requirements and quantity for a competitive quotation. Our technical team will provide you with a full technical proposal and detailed quote within 24 hours.
Reference Offer Price: USD 2 per kilogram. The final quotation depends on drawing, dimensions, heat treatment, machining requirements, inspection requirements, and order quantity.
Official Contact Details
Inquiry Email: [email protected]
Phone/WhatsApp: +86-13585067993 💬 WhatsApp Chat
Tel: 0086-510-86107550
Fax: 0086-510-86107550
Official Website: www.jnmtforgedparts.com
Factory Address: Chengchang Industry Park, Jiangyin City, Jiangsu Province, China
We also manufacture a full range of alloy steel, stainless steel, nickel alloy, and super alloy forgings. View our complete material list on our Materials page.