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Specializing in Tooth By Tooth Induction Hardening
 STANDARD ALLOY
STEELS
Chemical Composition Ranges and Limits
SAE
No. |
C |
Mn |
Cr |
Ni |
Mo |
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 |
............. |
|
50B46§ |
.44/.49 |
.75/1.00 |
.20/.35 |
.............. |
.............. |
............. |
|
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 |
.............. |
.............. |
............. |
|
51B60§ |
.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 |
............. |
|
|
|
|
|
|
|
Si |
|
9259 |
.56/.64 |
.75/1.00 |
.45/.65 |
............. |
............. |
.70/1.10 |
|
9260 |
.56/.64 |
.75/1.00 |
............. |
............. |
............. |
1.80/2.20 |
|
|
*S = .035 / .050 § B = .0005 / .003
a
Formerly PS 15 b Formerly PS
24 c Formerly PS 30 |
Unless specified:
 |
Si = .15/.35 |
|
|
P = .035 max |
|
|
S = .040 max |
|
|
Ni = .25 max |
|
|
Cr = .20 max |
|
|
Mo = .06 max |
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