EN 1092-1 Type 11/B1 Flange – 1.4462 (Duplex Stainless Steel) Flange Manufacturer and Supplier
We are a trusted manufacturer and global supplier of EN 1092-1 Type 11/B1 Weld Neck Flanges made from high-quality 1.4462 (UNS S31803/S32205) duplex stainless steel. These flanges are widely used in chemical processing, marine, offshore, and water treatment industries due to their superior corrosion resistance, high strength, and excellent mechanical properties.
Product Description:
- Standard: EN 1092-1
- Type: Type 11 – Weld Neck Flange
- Facing Type: B1 – Raised Face (PN designated)
- Material: 1.4462 Duplex Stainless Steel (equivalent to UNS S31803 / S32205)
- Pressure Ratings: PN6, PN10, PN16, PN25, PN40
Material Specification – 1.4462 / Duplex S31803 / S32205:
1.4462 is the EN (European) material number for a duplex stainless steel, commonly known as Duplex 2205, and typically corresponds to the UNS S31803 or UNS S32205 grades.
- Standard: EN 10088-1, ASTM A182 F51
- Corrosion Resistance: Excellent resistance to pitting (PREN ≥ 34), crevice, and stress corrosion cracking
Chemical composition of X2CrNiMoN22-5-3 (1.4462): EN 10088-2
| C | Si | Mn | Ni | P | S | Cr | Mo | N |
| max 0.03 | max 1 | max 2 | 4.5 – 6.5 | max 0.035 | max 0.015 | 21 – 23 | 2.5 – 3.5 | 0.1 – 0.22 |
Equivalent grades of steel X2CrNiMoN22-5-3 (1.4462)
| EU EN | USA – | France AFNOR | England BS | Sweden SS |
| X2CrNiMoN22-5-3 | S32205 | Z3CND22-05Az | 318S13 | 2377 |
Key Applications of 1.4462 Weld neck flanges
- Offshore platforms and subsea equipment
- Desalination plants and water treatment systems
- Chemical process piping
- Pulp and paper industries
- Heat exchangers and pressure vessels
Why Choose Our 1.4462 EN 1092-1 Type 11 Flanges?
- Manufactured to strict EN and ISO standards
- 3.1 or 3.2 certification available with each order
- Full traceability and testing: PMI, UT, RT, MT
- Compatible with DIN, EN, and ASME piping systems
- Custom dimensions and facing types available on request
Supplier of EN1092-1 Type 11/B1 Flanges in 1.4462 Duplex Stainless Steel
We manufacture and export EN 1092-1 welding neck flanges in duplex stainless steel 1.4462 for clients worldwide. Our flanges comply with PED 2014/68/EU, EN 10222-5, and EN 1092-1 dimensional tolerances, ensuring precise fit and superior performance.
Download 1.4462 flange Material specification
