P355NH Welding Neck Flange EN 10222-4 Compliant 1.0565 Steel Forged WN Flange
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Product Description
P355NH Welding Neck Flanges - EN 10222-4 WN Flanges 1.0565
Steel welding neck forged flanges manufactured to European standards for pressure applications.
Material Specifications
| Grade | P355NH |
|---|---|
| Number | 1.0565 |
| Classification | Non-alloy elevated temperature quality steel |
| Density | 7.85 g/cm³ |
Applicable Standards
- EN 10028-3:2009 - Flat products made of steels for pressure purposes. Weldable fine grain steels, normalized
- EN 10222-4:1999 - Steel forgings for pressure purposes. Weldable fine-grain steels with high proof strength
- EN 10216-3:2014 - Seamless steel tubes for pressure purposes. Technical delivery conditions. Alloy fine grain steel tubes
- EN 10217-3:2002 - Welded steel tubes for pressure purposes. Alloy fine grain steel tubes
- EN 10253-2:2007 - Butt-welding pipe fittings. Non alloy and ferritic alloy steels with specific inspection requirements
- EN 10273:2007 - Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
Chemical Composition (%) - EN 10028-3-2009
According to EN 10222-4 chemical composition: C < 0.2; 0.1 < Si < 0.5; 0.9 < Mn < 1.65; Ni < 0.3; 0.02 < Al < 0.06
| C | Si | Mn | Ni | P | S | Cr | Mo | V |
|---|---|---|---|---|---|---|---|---|
| max 0.18 | max 0.5 | 1.1 - 1.7 | max 0.5 | max 0.025 | max 0.015 | max 0.3 | max 0.08 | max 0.1 |
| N | Nb | Ti | Al | Cu | - | |||
| max 0.012 | max 0.05 | max 0.03 | max 0.02 | max 0.3 | Nb+Ti+V < 0.12 | |||
Mechanical Properties
Tensile Strength (Rm) - MPa (+N)
| Nominal thickness (mm) | to 60 | 60 - 100 | 100 - 150 | 150 - 250 |
|---|---|---|---|---|
| Rm - Tensile strength | 490-630 | 470-610 | 460-600 | 450-590 |
Minimum Yield Strength (ReH) - MPa (+N)
| Nominal thickness (mm) | to 16 | 16 - 40 | 40 - 60 | 60 - 100 | 100 - 150 | 150 - 250 |
|---|---|---|---|---|---|---|
| ReH - Minimum yield strength | 355 | 345 | 335 | 315 | 305 | 295 |
Impact Energy (KV) - J
| Orientation | -20°C | 0°C | +20°C |
|---|---|---|---|
| Transverse (+N) | 27-30 | 35-40 | 39-50 |
| Longitudinal | 40-45 | 47-65 | 55-75 |
Elongation at Fracture (A) - % (+N)
| Nominal thickness (mm) | to 60 | 60 - 250 |
|---|---|---|
| A - Min. elongation at fracture | 22 | 21 |
Equivalent Grades
| EU EN | USA | Germany DIN,WNr | France AFNOR | England BS | Italy UNI |
|---|---|---|---|---|---|
| P355NH | A662Gr.C | WStE355 | A510AP | 224Gr.490 | FeE355-2 |
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
amy