20NiCrMoS2-2 (1.6526, 21NiCrMoS2) Forging Parts | China Jiangsu Manufacturer

About 20NiCrMoS2-2 (1.6526) Forged Steel | EN10084 Standard

20NiCrMoS2-2 is a forged steel grade supplied by Jiangsu Liangyi in custom forms for transmission, rotating and wear-resistant industrial parts. This page summarizes standard references, chemistry, heat treatment, mechanical data and manufacturing capability.

Jiangsu Liangyi Co.,Limited is a professional manufacturer of 20NiCrMoS2-2 (also known as 1.6526 or 21NiCrMoS2) open die forging parts and seamless rolled steel forged rings. Located in Jiangyin City, close to Shanghai Port, we provide custom 20NiCrMoS2-2 forgings for clients from more than 50 countries around the world.

Material Standard & Core Characteristics

20NiCrMoS2-2 is a low Ni-Cr-Mo case hardening alloy steel that meets the EN10084 standard. This material has excellent weldability, high toughness, and good machinability, making it the best choice material for parts that need high surface hardness and superior wear resistance after nitriding treatment. Our 1.6526 forged parts meet the following international production standards:

• EN 10084: 2008 Case hardening steels and Technical delivery conditions
• EN 10277-4: 2008 Bright steel products and Technical delivery conditions for case hardening steels
• EN 10263-3: 2001 Steel rod, bars and wire for cold heading and cold extrusion and Technical delivery conditions for case hardening steels
• EN 10297-1: 2003 Seamless circular steel tubes for mechanical and general engineering purposes .Non-alloy and alloy steel tubes. Technical delivery conditions

We also supply a full range of alloy steel forgings in different international standard grades, view all available materials here: Materials Page

Chemical Composition of 20NiCrMoS2-2 (1.6526) Steel

The chemical composition of our 20NiCrMoS2-2 forging material strictly meets EN10084 standard requirements:

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Custom 20NiCrMoS2-2 Forging Products We Supply

With our advanced forging equipment from our Jiangyin factory, we can produce a full range of 20NiCrMoS2-2 (1.6526) forged steel products in custom sizes and shapes. Weight of these parts ranges from 30kg up to 30,000kg.Following are our main products:

• 20NiCrMoS2-2 forged round bars, square bars, flat bars, rectangular bars and rods
• 1.6526 seamless rolled rings, forged flanges and contoured rolled rings
• 20NiCrMoS2-2 forged gear shafts, pinion shafts, spindles and gear wheels
• 21NiCrMoS2 forged hubs, housings, shells, sleeves, bushes and hollow bars
• 1.6526 forged discs, blocks, plates and seamless steel tubes
• Custom 20NiCrMoS2-2 forging parts manufactured to clients drawings or samples

For more detailed parameters and custom solutions of our 20NiCrMoS2-2 forging parts, please visit our dedicated product page: https://www.jnmtforgedparts.com/20nicrmo-s2-2-forging-parts-1.6526.html

Heat Treatment Process for 1.6526 Forged Parts

We provide full in-house heat treatment services for 20NiCrMoS2-2 forging parts to meet your required mechanical properties:

• Normalizing: Carried out at approximately 910°C, followed by air cooling to improve workability, can be done before case hardening.
• Soft Annealing: Carried out at 650°C - 700°C, with slow cooling in the furnace to reduce hardness and improve machinability.
• Quenching: The 1.6526 material can be austenitized at 840°C - 870°C, then quenched in oil or air to get required hardness.
• Tempering: Performed at 200°C - 700°C to improve material toughness with minimal impact on surface hardness.

Mechanical Properties of 20NiCrMoS2-2 Forging Material

The common mechanical properties of our 1.6526 forged steel material are as follows:

• Tensile strength (Rm): 1100 MPa after hardening and tempering; 590 MPa (+AC condition)
• Reduction in cross section on fracture (Z): 57-62%
• Brinell hardness (HBW): 212 (+A condition); 161-212 (+TH condition); 149-194 (+FP condition)

Quality Inspection & Certification for 1.6526 Forged Components

To make sure all of 20NiCrMoS2-2 forging parts have high quality ,we apply strict non-destructive testing and full inspection for all products :

• 100% ultrasonic inspection for all bars above 40mm size according to EN 10308 standard (type 1a and 1c, table 1)
• Visual inspection to make sure the finished products are straight, sound, and free from surface defects such as cracks, scabs, laps, and hairline cracks
• Dimensional inspection to meet the tolerance requirements of clients drawings
• Surface finish inspection, minor dents, roll marks and scratches are permitted only if their depth does not exceed half the specified tolerance limits

All our 20NiCrMoS2-2 forged products meet mill test certificate (MTC 3.1/3.2), including:

• Heat number and melting type
• Dimensional inspection results
• Heat treatment cycle details
• Chemical analysis results
• Mechanical property test results
• Ultrasonic test and surface crack examination results
• Visual inspection confirmation
• Results of any additional tests required by your order or drawings

Applications & Global Project Cases of 20NiCrMoS2-2 Forging Parts

Our 1.6526 (20NiCrMoS2-2) forging parts are used in different heavy industries, following are  common application cases:

1. Wind Power Industry: 20NiCrMoS2-2 forged gear shafts and ring gears are used for wind turbine gearboxes. They have excellent wear resistance and toughness after nitriding , so that they can work stably in harsh outdoor environments.
2. Mining & Construction Industry: 1.6526 forged eccentric shafts are used for gyratory crushers, slewing bearing ball races for mining excavators, and belt pulley wheels for crusher equipment. They have high tensile strength and impact resistance to bear heavy load working. We have supplied these parts to mining projects in Australia and South America.
3. Cement & Sugar Mill Industry: 20NiCrMoS2-2 case hardened pinion shafts are used for cement mill rotary kilns, gear shafts and roller shafts for sugar mill equipment. They have good machinability and stable surface hardness after heat treatment.
4. Oil & Gas Industry: 1.6526 forged gear shafts are used for oil drilling tools, mud pump gear shafts for drilling rigs, and box riser joints for subsea oil and gas drilling equipment. They have reliable mechanical properties so that they are the best choice material for high-pressure and extreme working environments. We have supplied these parts to oil and gas projects in the Middle East.
5. Railway & Locomotive Industry: 20NiCrMoS2-2 forged transmission shafts are used for locomotives, end housings for traction motors.They have excellent fatigue resistance and weldability to meet the strict safety requirements of railway transportation.
6. General Machinery Industry: 1.6526 forged crankshafts are used for gas compressors and mechanical presses, hydraulic honed cylinders, conveyor pulley shafts.They have consistent hardness and good dimensional stability after heat treatment.

View more of our global project references here: Reference Page

Why Choose Jiangsu Liangyi as Your 20NiCrMoS2-2 Forging Supplier?

As a professional China Jiangsu-based 20NiCrMoS2-2 forging parts manufacturer founded in 1997, we provide high-quality custom forging solutions for clients around the world. Following are our main advantages:

• ISO 9001:2015 certified factory covers 80,000㎡ production area and has annual capacity of 120,000 tons
• Complete in-house production line from steel melting, forging, heat treatment to fine machining
• Advanced forging equipment (2000T-6300T hydraulic presses, 1-5M seamless rolling machines) and full inspection facilities
• Custom production ranging from 30kg to 30,000kg, all parts meet ASTM, DIN, EN, JIS international standards
• Reliable global shipping via Shanghai Port, with export experience to more than 50 countries around the world.
• Professional technical team and one-stop service from drawing design to finished product delivery

Contact us today to get a detailed quote for your 20NiCrMoS2-2 (1.6526) forging project!

Related Resources for Buyers and Engineers

The following internal pages provide additional information on materials, equipment capability and project references for buyers and engineers.