Base Fe (Iron) : Fe/3.1C/1.5Ni/1.5Si/0.7Mn/0.4Mo/<0.15P/<0.12S
| Material Standards with Similar Chemical Composition |
|---|
| NBN 83001 FGG40 (Belgium) |
| DS 11301 GG40 (Denmark) |
| NS 722 SjG40 (Norway) |
| GOST 1412 SCh40 (Russian Federation) |
| ASME SA278 55 (USA) |
| ASTM A278(93) 55 (USA) |
| ASTM A278M(93) 380 (USA) |
| ASTM A48(94) 55A (USA) |
| ASTM A48(94) 55B (USA) |
| ASTM A48(94) 55C (USA) |
| ASTM A48(94) 55S (USA) |