| COMPARISON LIST FOR CASTING & FORGING | |||||||
| General classification |
Castings | Forgings | |||||
| ASTM | JIS | BS | ASTM | JIS | BS | ||
| Cast Iron | A126 – Class A | G5501 – FC20 | 1452 – 14 | – | – | – | |
| – Class B | – FC25 | -17 | – | – | – | ||
| – Class C | – FC30 | -20 | – | – | – | ||
| Malleable Iron | A197 | G5702 – FCMB28 | 310 – B18/6 | – | – | – | |
| A 47 – 32510 | – FCMB35 | – B22/14 | – | – | – | ||
| – 35018 | – FCMB37 | – | – | – | – | ||
| Ductile Iron | A395 | G5502 – FCD40 | – | – | – | – | |
| – | – FCD45 | – | – | – | – | ||
| A536 | – FCD55 | – | – | – | – | ||
| Carbon Steel | A216 – WCA | G5151 – SCPH1 | – | A105 | G3201 – SF45 | 1503 -1618 | |
| – | G5101 – SC46 | 1504 -161 | – | – | – | ||
| A216 – WCB | G5151 – SCPH2 | – B | A105 | G3201 – SF50 | 1503 – 161C | ||
| – WCC | – | – | – | – | – | ||
| – | G5101 – SC55 | – C | – | – | – | ||
| Carbon-½ Mo | A217 – WC1 | G5111 – SCA41 | 1504 -240 | A182 – F1 | – | 1503 -2408 | |
| ½Cr-½Mo½Ni | – WC4 | – | – | – | – | – | |
| 1Cr-½Mo-½Ni | – WC5 | – | – | A182 – F12 | – | 1503 – 620 | |
| 1¼Cr-½Mo | – WC6 | G5111 – SCA51 | 1504 – 621 | – F11 | – | – | |
| 2¼Cr-1Mo | – WC9 | – | – 622 | – F22 | – | 1503 – 622 | |
| 3Cr-1Mo | – | – | – | – F21 | – | – | |
| 5Cr-½Mo(C 0.15) | – | – | – | – F5 | – | – | |
| 5Cr-½Mo(C 0.25) | A217 – C5 | G5111 – SCA52 | 1504 – 625 | – F5a | – | 1503 – 625 | |
| 7Cr-½ Mo | – | – | – | – F7 | – | – | |
| 9Cr-1Mo | A217 – C12 | – | 1504 – 629 | – F9 | – | – | |
| Carbon Steel for Low Temp | A352 – LCB | – | 4202 – GRA | A350 – LF1 | – | – | |
| Carbon-Si | – | – | – | – LF2 | – | – | |
| Carbon-1Mo for Low Temp | A352 – LC1 | – | – | – | – | – | |