DIN17165 HI Steel plate for Boiler Pressure Vessel
HI steel plate,DIN17165 HI steel plate is a kind of material for boiler and pressure vessel steel. DIN17165 HI steel plate is characterized by a minimum yield strength of 170-230MPa and by good weldability, so HI steel is mainly used for manufacturing boilers, pressure vessels and pipes transporting hot liquids. The followings are DIN17165 HI steel plate's Chemical composition and mechanical properties If you are looking for Chinese HI steel supplier, if you want to know HI steel price, please be free to contact us.
| Grades | C max | Si max | Mn. max | P max | S max | N max | AL min | Cr max | Cu max | Mo max | Ni max | Nb max | Ti max | V max |
| HI | 0.16 | 0.35 | 0.60-1.20 | 0.025 | 0.015 | 0.012 | 0.02 | 0.3 | 0.03 | 0.08 | 0.3 | 0.02 | 0.03 | 0.02 |
HI steel Mechanical properties
| Grade | Thickness (mm) | Yield Strength MPa(min) | Tensile Strength MPa | Elongation % (min) | Impact Energy (KV J) (min) | ||
| -20℃ | 0℃ | 20℃ | |||||
| HI | ≤ 16 | 235 | 360 to 480 | 24 | 27 | 34 | 40 |
| 16＜t ≤40 | 225 | 360 to 480 | 24 | 27 | 34 | 40 | |
| 40＜t ≤60 | 215 | 360 to 480 | 24 | 27 | 34 | 40 | |
| 6＜t ≤100 | 200 | 360 to 480 | 24 | 27 | 34 | 40 | |
| 100＜t ≤150 | 185 | 350 to 480 | 24 | 27 | 34 | 40 | |
| 150＜t ≤250 | 170 | 350 to 480 | 24 | 27 | 34 | 40 | |
we are HI steel suppliers ,also can supply HII steel ,please contact us if you need
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