Steel grade | Inconel 600 | Inconel 601 | Inconel 625 | Inconel 718 | Inconel 725 | Inconel X-750 |
Corresponding brand | N06600/2.4816/ 1Cr15Ni75Fe8/ NS312/CY40 | N06601/2.4851/ 1Cr23Ni60Fe13AI /NS313 | N06625/2.4856/ 0Cr20Ni65Mo10bN4 /NS336 | N07718/2.4668 /GH4169 | N07725 | N07750/2.4669 /GH4145 |
Chemical composition% | ||||||
C≤ | 0.150 | 0.100 | 0.100 | 0.080 | 0.030 | 0.080 |
Mn≤ | 1.00 | 1.00 | 0.50 | 0.35 | 0.35 | 1.00 |
P≤ | / | / | 0.015 | 0.015 | 0.015 | / |
S≤ | 0.015 | 0.015 | 0.015 | 0.015 | 0.010 | 0.010 |
Si≤ | 0.50 | 0.50 | 0.50 | 0.35 | 0.20 | 0.50 |
Cr≤ | 14.0-17.0 | 21.0-25.0 | 20.0-23.0 | 17.0-21.0 | 19.0-22.5 | 14.0-17.0 |
Ni≤ | ≥72.0 | 58.0-63.0 | ≥58.0 | 55.0-59.0 | 55.0-59.0 | ≥70 |
Mo | / | / | 8.0-10.0 | 2.8-3.3 | 7.0-9.5 | / |
Cu | ≤0.50 | ≤1.50 | / | ≤0.30 | / | ≤0.50 |
N | / | / | / | / | / | |
Nb | / | / | 3.15-4.15 | 4.75-5.50 | 2.75-4.00 | 0.70-1.20 |
other | Fe:6.0-10.0 | Al:1.0-1.7 | Co:≤1.0Ai:≤0.40 Tr:0.40Fe:≤5.0 | AI:0.20-0.80Ti:0.65-1.15B≤0.006 | Tr:1.0-1.7AI≤0.35 | Co:≤1.0 AI:0.4-1.0Tr:0.25-2.75Fe:5.0-9.0 |