Grade | C | Si | P | S | Cr | Mn | Ni | Fe | Cb (Nb+Ta) |
347 | 0.08 max | 0.75 max | 0.045 max | 0.03 max | 17.0 - 19.0 | 2.0 max | 9.0 - 13.0 | Remainder | 10x (C + N)- 1.0 |
347H | 0.04 - 0.10 | 0.75 max | 0.045 max | 0.03 max | 17.0- 19.0 | 2.0 max | 9.0 - 13.0 | Remainder | 8x (C + N)- 1.0 |
Grade | Melting Range |
347 | 1398 - 1446°C |
347H | 1398 - 1446 °C |