P275NH Material EN 10028-3 Standard 1.0487 Steel Number Welding Neck Flange WN Flange
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Product Description
P275NH Welding Neck Flanges - EN 10028-3 WN Flanges - 1.0487 Forged Steel Flanges
Material Specifications
Grade:
P275NH
Number:
1.0487
Classification:
Non-alloy elevated temperature quality steel
Density:
7.85 g/cm³
Standards:
EN 10028-3:2009 - Flat products made of steels for pressure purposes. Weldable fine grain steels, normalized
EN 10273:2007 - Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
EN 10273:2007 - Hot rolled weldable steel bars for pressure purposes with specified elevated temperature properties
Chemical Composition (%) - EN 10028-3-2009
| Element | Content |
|---|---|
| C | max 0.16 |
| Si | max 0.4 |
| Mn | 0.8 - 1.5 |
| Ni | max 0.5 |
| P | max 0.025 |
| S | max 0.015 |
| Cr | max 0.3 |
| Mo | max 0.08 |
| V | max 0.05 |
| N | max 0.012 |
| Nb | max 0.05 |
| Ti | max 0.03 |
| Al | max 0.02 |
| Cu | max 0.3 |
| Nb+Ti+V | < 0.05 |
Mechanical Properties
Tensile Strength (Rm) - MPa (+N)
| Nominal Thickness (mm) | Tensile Strength Range |
|---|---|
| to 60 | 390-510 |
| 60 - 100 | 370-490 |
| 100 - 150 | 360-480 |
| 150 - 250 | 350-470 |
Minimum Yield Strength (ReH) - MPa (+N)
| Nominal Thickness (mm) | Yield Strength |
|---|---|
| to 16 | 275 |
| 16 - 40 | 265 |
| 40 - 60 | 255 |
| 60 - 100 | 235 |
| 100 - 150 | 225 |
| 150 - 250 | 215 |
Impact Energy (KV) - J (+N)
| Temperature | Transverse | Longitudinal |
|---|---|---|
| -20°C | 30 | 40-45 |
| 0°C | 40 | 47-65 |
| +20°C | 50 | 55-75 |
Minimum Elongation at Fracture (A) - % (+N)
| Nominal Thickness (mm) | Elongation |
|---|---|
| to 60 | 24 |
| 60 - 250 | 23 |
Equivalent Grades
Warning! Only for reference EU
| EN | USA | Germany (DIN, WNr) | England (BS) |
|---|---|---|---|
| P275NH | A516Gr.60 | WStE285 | 224Gr.430 |
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Company
BEST PIPELINE EQUIPMENT CO.,LTD
Location
China Factory : Suzhou Industrial Park, JiangSu Province,China
Contact Person
amy