P285NH Material Welding Neck Flange EN 10222-4 Standard Forged Steel Blind Pipe Flange
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Product Description
P285NH Welding Neck Flanges - EN 10222-4 Steel Flanges
Product Overview
High-quality P285NH welding neck flanges and blind pipe flanges manufactured according to EN 10222-4 standards. These forged steel flanges are made from non-alloy steel grade P285NH (1.0477), designed for pressure applications requiring weldable fine-grain steels with high proof strength.
Material Specifications
| Grade | P285NH |
|---|---|
| Material Number | 1.0477 |
| Classification | Non-alloy steel |
| Standard | EN 10222-4:1999 - Steel forgings for pressure purposes. Weldable fine-grain steels with high proof strength |
Technical Documentation
Chemical Composition (%) - P285NH (1.0477)
| C | Si | Mn | Ni | P | S | Cr | Mo | V | N | Nb | Al | Cu | - |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| max 0.18 | max 0.4 | 0.6-1.4 | max 0.3 | max 0.025 | max 0.015 | max 0.3 | max 0.08 | max 0.05 | max 0.02 | max 0.03 | 0.02-0.06 | max 0.2 | Nb+V < 0.05 |
Mechanical Properties
- Tensile Strength (Rm): 370-510 MPa
- Minimum Yield Strength (ReH): 205-285 MPa
- Impact Energy (KV) Longitudinal (+N):
- +20°C: 55 J
- 0°C: 47 J
- -20°C: 40 J
- -40°C: 28 J
- Impact Energy (KV) Transverse (+N):
- +20°C: 40 J
- 0°C: 34 J
- Minimum Elongation at Fracture (A) Longitudinal: 22-24%
- Minimum Elongation at Fracture (A) Transverse: 21-23%
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
amy