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Pressure Vessel Steel Home Page DIN 17155 HI | HII | 17Mn4 | 19Mn6 |
DIN standard HI pressure vessel steel has now been superseded with the Euro Norm specification EN 10028. We find however that our clients still search and make enquiries for this steel which is why we have provided grade specification details on this website.
Please refer to the technical information below. Please note that this information should be used for cross reference purposes and you should refer to equivalent grades when making your enquiry for pressure vessel grade steel.
Chemical Composition & Mechanical Properties
| Chemical Composition | Mechanical Values | ||||||||||||||
| Grade | C | Si | Mn | P | S | Al | Cr | Cu | Ni | Mo | Nb | Ti | V | Tensile N/mm² |
Yield N/mm² |
| HI | 0.16 | 0.35 | 0.40/1.20 | 0.030 | 0.025 | 0.020 | 0.30 | 0.30 | 0.30 | 0.08 | 0.01 | 0.03 | 0.02 | 360/480 | 235 |
All values are % Max unless stated. Yield value is minimum.
For more information about our pressure vessel and boiler quality steels please click here to contact us.
Equivalent grades :
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Masteel UK Limited,
The Cedars, Coton Road,
Nether Whitacre, Coleshill,
Birmingham, West Midlands
B46 2HH
t: +44 (0)1675 437733
f: +44 (0)1675 437734
email: enquiries@masteel.co.uk
website: www.masteel.co.uk
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