DIN 17155 HI
DIN standard HI pressure vessel steel has now been superseded with the Euro Norm specification EN 10028.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.
Table 1: Chemical Composition & Mechanical Properties of DIN 17155 HI
| C | 0.16 |
| Si | 0.35 |
| Mn | 0.40/1.20 |
| P | 0.030 |
| S | 0.025 |
| Al | 0.020 |
| Cr | 0.30 |
| Cu | 0.30 |
| Ni | 0.30 |
| Mo | 0.08 |
| Nb | 0.01 |
| Ti | 0.03 |
| V | 0.02 |
| Tensile (N/mm²) | 360/480 |
| Yield/min (N/mm²) | 235 |
(All values are % Max unless stated. Yield value is minimum.)
(Please note: the technical information above is for guidance only – for exact specifications please check with our Sales Team)