EN-10222-2 11CrMo9-10 Forged Flanges and Bars

EN-10222-2 11CrMo9-10 FORGED Flanges AND BARS

We are a trusted manufacturer and supplier of EN 10222-2 11CrMo9-10 forgings, offering high-quality forged components for pressure vessels, boilers, and high-temperature applications. The material 11CrMo9-10 (1.7380) is a low alloy chromium-molybdenum steel, designed for use in environments requiring strength, creep resistance, and excellent toughness at elevated temperatures.

EN 10222-2 11CrMo9-10 Material Details:

• Standard: EN 10222-2 – Steel forgings for pressure purposes
• Grade: 11CrMo9-10
• Material No.: 1.7380
• Delivery Condition: Normalized and tempered (NT)
• Heat Treatment: Quenched & Tempered as per EN 10222-2

10CrMo9-10 / 1.7380 Equivalent grade of ASTM A182 F22, cl.3 / ASME SA182 F22, cl.3

Chemical composition %  of steel  11CrMo9-10 (1.7383):   EN 10222-2-2000

C	Si	Mn	P	S	Cr	Mo
0.08 – 0.15	max   0.5	0.4 – 0.8	max   0.025	max   0.015	2 – 2.5	0.9 – 1.1

Mechanical properties of   steel   11CrMo9-10 (1.7383)

Rm – Tensile strength (MPa) (+QT)

540-680

Nominal thickness (mm):	to 200	200 – 500
Rm – Tensile strength (MPa) (+NT)	520-670	450-600

Rm – Tensile strength (MPa) (+QL)

520-670

ReH – Minimum yield strength (MPa) (+QT)

355

Nominal thickness (mm):	to 200	200 – 500
ReH – Minimum yield strength (MPa) (+NT)	310	265

ReH – Minimum yield strength (MPa) (+QL)

310

Types of Forged Products in 11CrMo9-10:

• Forged Flanges (EN 1092-1, ASME B16.5, DIN, GOST 33259 standards)
• Forged Rings & Discs
• Forged Shafts & Bars
• Forged Nozzles & Reducers
• Custom Forgings for Power & Petrochemical Industry

11CrMo9-1 Flange Types:

• EN-10222-2 11CrMo9-10 Weld Neck Flange (WNRF)
• EN-10222-2 11CrMo9-10 Blind Flange (BLRF)
• EN-10222-2 11CrMo9-10 Slip On Flange (SORF)
• Socket Weld Flange (SWRF)
• Threaded Flange (THRF)
• Long Weld Neck Flange (LWN)
• Custom Forged Flanges

Applications of 11CrMo9-10 Forgings:

• Power Generation: Steam turbines, boiler components, HRSG systems
• Petrochemical Plants: High-pressure vessels, reactors
• Refineries: Heat exchangers, piping systems
• Oil & Gas Industry: Flanges, fittings, and forgings for high-temperature service

Why Choose Us?

• In-house forging, heat treatment & machining facility
• EN 10204 3.1 / 3.2 certificates with every supply
• Third-party inspections by TÜV, BV, DNV, SGS, LR
• Global export experience with competitive pricing & timely delivery

We are a leading EN 10222-2 11CrMo9-10 flange manufacturer and exporter, supplying high-quality chromium-molybdenum alloy steel flanges (Material No. 1.7380) for pressure vessels, boilers, and high-temperature piping systems.Contact us for enquiries

Download EN 10222-2 11CrMo9-10 specification