| Nickel Molybdenum Chromium Steels |
| JIS G 4103 |
| Chemical Composition, % |
| Steel Grade |
C |
Si |
Mn |
P |
S |
Ni |
Cr |
Mo |
| SNCM 220 |
.17/.23 |
.15/.35 |
.60/.90 |
.030 max |
.030 max |
.40/.70 |
.40/.65 |
.15/.30 |
| SNCM 240 |
.38/.43 |
.15/.35 |
.70/1.00 |
.030 max |
.030 max |
.40/.70 |
.40/.65 |
.15/.30 |
| SNCM 415 |
.12/.18 |
.15/.35 |
.40/.70 |
.030 max |
.030 max |
1.60/2.00 |
.40/.65 |
.15/.30 |
| SNCM 420 |
.17/.23 |
.15/.35 |
.40/.70 |
.030 max |
.030 max |
1.60/2.00 |
.40/.65 |
.15/.30 |
| SNCM 431 |
.27/.35 |
.15/.35 |
.60/.90 |
.030 max |
.030 max |
1.60/2.00 |
.60/1.00 |
.15/.30 |
| SNCM 439 |
.36/.43 |
.15/.35 |
.60/.90 |
.030 max |
.030 max |
1.60/2.00 |
.60/1.00 |
.15/.30 |
| SNCM 447 |
.44/.50 |
.15/.35 |
.60/.90 |
.030 max |
.030 max |
1.60/2.00 |
.60/1.00 |
.15/.30 |
| SNCM 616 |
.13/.20 |
.15/.35 |
.80/1.20 |
.030 max |
.030 max |
2.80/3.20 |
1.40/1.80 |
.40/.60 |
| SNCM 625 |
.20/.30 |
.15/.35 |
.35/.60 |
.030 max |
.030 max |
3.00/3.50 |
1.00/1.50 |
.15/.30 |
| SNCM 630 |
.25/.35 |
.15/.35 |
.35/.60 |
.030 max |
.030 max |
2.50/3.50 |
2.50/3.50 |
.50/.70 |
| SNCM 815 |
.12/.18 |
.15/.35 |
.30/.60 |
.030 max |
.030 max |
4.00/4.50 |
.70/1.00 |
.15/.30 |
| NOTE: | As impurities, Cu shall not exceed 0.30% for all grades. |
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