| PRODUCT | GRADE | EQUIVALENT STANDARD | CHEMICAL COMPOSITION (%) | SUPPLY CONDITION | APPLICATION | TYPE OF APPLICATION | ||||||||||
| AISI | DIN | JIS | C | Si | Mn | Cr | Mo | Ni | V | W | Oth. | |||||
| Heat Resistant Steel | ||||||||||||||||
 | 1.4762 | 446 | X10CrAlSi25, | SUH446 | <0.12 | 0.7-1.4 | <1.0 | 23.0-26.0 | – | – | – | – | P/<0.04, S/<0.03, | <223 HB | High chromium alloyed, resistant to sulfuric acid, heat resistant up to 1150°C suitable for spare parts, industrial furnaces, heat transfer equipments |  |
| 1.4742 | 442 | X10CrAlSi18, | SUH21 | <0.12 | 0.7-1.4 | <1.0 | 17.0-19.0 | – | – | – | – | P/<0.04, S/<0.03, | <212 HB | Chromium alloyed, resistant to heat up to 1000°C, can be welded and molded well suitable for spare parts, high pressure boilers, furnaces |  |
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