DIN 17155 HII boiler steel, HII Steel Plates
DIN 17155 HII boiler steel is the German standard for pressure vessel steel. This standard is no longer active and has been superseded along with the old British Standard by EN 10028, the new Euro Norm standard.
DIN 17155 HII boiler steel Chemical Composition:
Chemical Composition |
Mechanical Values | ||||||||||||||
| Grade | C | Si | Mn | P | S | Al | Cr | Cu | Ni | Mo | Nb | Ti | V | TensileN/mm² | YieldN/mm² |
| HII | 0.20 | 0.40 | 0.50/1.40 | 0.030 | 0.025 | 0.020 | 0.30 | 0.30 | 0.30 | 0.08 | 0.01 | 0.03 | 0.02 | 410/530 | 265 |
DIN 17155 HII boiler steel Mechanical properties:
Grade |
Type | Thickness mm | Yield strength Mpa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KVJ) (min) | ||
| -20° | 0° | +20 | ||||||
| HII | Normalized | ≤16 16>to≤40 40>to≤60 60>to≤100 100>to≤150 150>to≤250 | 265 | 410-530 | 22 | 27 | 34 | 40 |
| 255 | 410-530 | 22 | 27 | 34 | 40 | |||
| 245 | 410-530 | 22 | 27 | 34 | 40 | |||
| 215 | 410-530 | 22 | 27 | 34 | 40 | |||
| 200 | 400-530 | 22 | 27 | 34 | 40 | |||
| 185 | 390-530 | |||||||
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DIN 17155 HII boiler steel stockholders and suppliers, delivering to the whole of the world.we are ISO 9001:2008 accredited and supplies DIN 17155 HII boiler steel, HII Steel Plates to internationally approved quality standards for applications.
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