High-alloy steel - chrome-silicon valve steel H9S2 PN-71/H-86022
| Gatunek stali | Norma |
Skład chemiczny (%) |
|||||||||
| C | Mn | Si | P | S | Cu | Cr | Ni | Mo | inne | ||
| H9S2 | PN | 0,350,45 |
max0,70 | 2,002,30 | max 0,035 | max 0,030 | max0,30 | 8,0010,00 | max0,60 | - | - |
| 40H9S240KH9S240Ch9S240X9C2 |
GOST | 0,350,45 | max0,80 | 2,003,00 | max 0,030 | max 0,025 | - | 8,0010,00 | - | - | - |
| X 45 CrSi 9-3X45CrSi9-3X45CrSi93 1.4718 |
DIN W.nr |
0,400,50 | max0,60 | 2,703,30 | max 0,040 | max 0,030 | - | 8,00 10,00 | max0,50 | - | - |
| X45CrSi8 | EN | 0,400,50 | max0,80 | 2,803,50 | max 0,035 | max 0,035 | - | 7,50 9,50 | - | - | - |
| S 65007S65007 |
UNS | 0,400,50 | max0,80 | 2,703,30 | max 0,040 | max 0,030 | - | 8,00 10,00 | max0,60 | - | - |
| 4Cr9Si2 | GB/T | 0,350,50 | max0,70 | 2,003,00 | max 0,035 | max 0,030 | max0,30 | 8,0010,00 | max 0,60 |
- | |
| Z 45 CS 9Z45CS9 |
AFNOR | 0,400,50 | max0,80 | 2,703,30 | max 0,040 | max 0,030 | - | 8,0010,00 | - | - | - |
| 17 11517115 |
CSN/STN | 0,400,50 | max0,80 | 2,803,50 | max 0,040 | max 0,030 | - | 8,0010,00 | - | - | - |
| ZG40Cr9Si2 | GB/T | 0,350,50 | max0,70 | 2,003,00 | max 0,035 | max 0,030 | - | 8,0010,00 | - | - | - |
Steel used for the exhaust valves and for heavily loaded inlet valves for internal combustion engines used for the valves
working at the temperatures below 800 o C. Heat-resistant steel in the air up to the temperature of about 850C
