| Standard Alloy Steels |
| Chemical Composition Ranges and Limits |
| SAE No. |
C |
Mn |
Cr |
Ni |
Mo |
Si |
Other |
| 1330 |
.28/.33 |
1.60/1.90 |
— |
— |
— |
— |
— |
| 1335 |
.33/.38 |
1.60/1.90 |
— |
— |
— |
— |
— |
| 1340 |
.38/.43 |
1.60/1.90 |
— |
— |
— |
— |
— |
| 4023 |
.20/.25 |
.70/.90 |
— |
— |
.20/.30 |
— |
— |
| 4027 |
.25/.30 |
.70/.90 |
— |
— |
.20/.30 |
— |
— |
| 4028* |
.25/.30 |
.70/.90 |
— |
— |
.20/.30 |
— |
— |
| 4037 |
.35/.40 |
.70/.90 |
— |
— |
.20/.30 |
— |
— |
| 4047 |
.45/.50 |
.70/.90 |
— |
— |
.20/.30 |
— |
— |
| 4118 |
.18/.23 |
.70/.90 |
.40/.60 |
— |
.08/.15 |
— |
— |
| 4120a |
.18/.23 |
.90/1.20 |
.40/.60 |
— |
.13/.20 |
— |
— |
| 4121b |
.18/.23 |
.75/1.00 |
.45/.65 |
— |
.20/.30 |
— |
— |
| 4130 |
.28/.33 |
.40/.60 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4131 |
.28/.33 |
.50/.70 |
.90/1.20 |
— |
.15/.25 |
— |
— |
| 4137 |
.35/.40 |
.70/.90 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4140 |
.38/.43 |
.75/1.00 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4142 |
.40/.45 |
.75/1.00 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4145 |
.43/.48 |
.75/1.00 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4147 |
.45/.50 |
.75/1.00 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4150 |
.48/.53 |
.75/1.00 |
.80/1.10 |
— |
.15/.25 |
— |
— |
| 4320 |
.17/.22 |
.45/.65 |
.40/.60 |
1.65/2.00 |
.20/.30 |
— |
— |
| 4340 |
.38/.43 |
.60/.80 |
.70/.90 |
1.65/2.00 |
.20/.30 |
— |
— |
| E4340 |
.38/.43 |
.65/.85 |
.70/.90 |
1.65/2.00 |
.20/.30 |
— |
— |
| 4620 |
.17/.22 |
.45/.65 |
— |
1.65/2.00 |
.20/.30 |
— |
— |
| 4715c |
.13/.18 |
.70/.90 |
.45/.65 |
.70/1.00 |
.45/.65 |
— |
— |
| 4720 |
.17/.22 |
.50/.70 |
.35/.55 |
.90/1.20 |
.15/.25 |
— |
— |
| 4815 |
.13/.18 |
.40/.60 |
— |
3.25/3.75 |
.20/.30 |
— |
— |
| 4820 |
.18/.23 |
.50/.70 |
— |
3.25/3.75 |
.20/.30 |
— |
— |
| 5120 |
.17/.22 |
.70/.90 |
.70/.90 |
— |
— |
— |
— |
| 5130 |
.28/.33 |
.70/.90 |
.80/1.10 |
— |
— |
— |
— |
| 5132 |
.30/.35 |
.60/.80 |
.75/1.00 |
— |
— |
— |
— |
| 5140 |
.38/.43 |
.70/.90 |
.70/.90 |
— |
— |
— |
— |
| 5150 |
.48/.53 |
.70/.90 |
.70/.90 |
— |
— |
— |
— |
| 5160 |
.56/.64 |
.75/1.00 |
.70/.90 |
— |
— |
— |
— |
| 51100 |
.98/1.10 |
.25/.45 |
.90/1.15 |
— |
— |
— |
— |
| 52100 |
.98/1.10 |
.25/.45 |
1.30/1.60 |
— |
— |
— |
— |
| 6150 |
.48/.53 |
.70/.90 |
.80/1.10 |
— |
— |
— |
.15 min |
| 8615 |
.13/.18 |
.70/.90 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8617 |
.15/.20 |
.70/.90 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8620 |
.18/.23 |
.70/.90 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8622 |
.20/.25 |
.70/.90 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8630 |
.28/.33 |
.70/.90 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8637 |
.35/.40 |
.75/1.00 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8640 |
.38/.43 |
.75/1.00 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8645 |
.43/.48 |
.75/1.00 |
.40/.60 |
.40/.70 |
.15/.25 |
— |
— |
| 8720 |
.18/.23 |
.70/.90 |
.40/.60 |
.40/.70 |
.20/.30 |
— |
— |
| 8822 |
.20/.25 |
.75/1.00 |
.40/.60 |
.40/.70 |
.30/.40 |
— |
— |
| 9259 |
.56/.64 |
.75/1.00 |
.45/.65 |
— |
— |
.70/1.10 |
— |
| 9260 |
.56/.64 |
.75/1.00 |
— |
— |
— |
1.80/2.20 |
— |
NOTE: Unless specified: Si = .15/.35, P = .025 max, S = .025 max, Ni = .25 max, Cr = .20 max, Mo = .06 max.
These standard grades can have modifications in chemistry when agreed upon by user and supplier.
* Sulfur content is .035/.050.
a Formerly PS 15.
b Formerly PS 24.
c Formerly PS 30.
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