Table of Contents | Glossary of Metallurgical Terms
Useful Equations for Hardenable Alloy Steel | Handy Physical Constants
Engineering Conversion Factors
Chemical Composition Ranges and Limits
PS No. |
C |
Mn |
Cr |
Ni |
Mo |
Other |
| 10 |
.19/.24 |
.95/1.25 |
.25/.40 |
.20/.40 |
.05/.10 |
.............. |
| 16 |
.20/.25 |
.90/1.20 |
.40/.60 |
.............. |
.13/.20 |
.............. |
| 17 |
.23/.28 |
.90/1.20 |
.40/.60 |
.............. |
.13/.20 |
.............. |
| 18 |
.25/.30 |
.90/1.20 |
.40/.60 |
.............. |
.13/.20 |
B |
| 19 |
.18/.23 |
.90/1.20 |
.40/.60 |
.............. |
.08/.15 |
.0005-.003 |
| 20 |
.13/.18 |
.90/1.20 |
.40/.60 |
.............. |
.13/.20 |
.............. |
| 21 |
.15/.20 |
.90/1.20 |
.40/.60 |
.............. |
.13/.20 |
.............. |
| 31 |
.15/.20 |
.70/.90 |
.45/.65 |
.70/1.00 |
.45/.60 |
.............. |
| 32 |
.18/.23 |
.70/.90 |
.45/.65 |
.70/1.00 |
.45/.60 |
.............. |
| 33 |
.17/.24 |
.85/1.25 |
.20 min |
.20 min |
.05 min |
.............. |
| 34 |
.28/.33 |
.90/1.20 |
.40/.60 |
.............. |
.13/.20 |
.............. |
| 36 |
.38/.43 |
.90/1.20 |
.45/.65 |
.............. |
.13/.20 |
.............. |
| 38 |
.43/.48 |
.90/1.20 |
.45/.65 |
.............. |
.13/.20 |
.............. |
| 39 |
.48/.53 |
.90/1.20 |
.45/.65 |
.............. |
.13/.20 |
.............. |
| 40 |
.51/.59 |
.90/1.20 |
.45/.65 |
.............. |
.13/.20 |
.............. |
| 54 |
.19/.25 |
.70/1.05 |
.40/.70 |
.............. |
.05 min |
.............. |
| 55 |
.15/.20 |
.70/1.00 |
.45/.65 |
1.65/2.00 |
.65/.80 |
.............. |
| 56 |
.08/.13 |
.70/1.00 |
.45/.65 |
1.65/2.00 |
.65/.80 |
.............. |
| 57* |
.08 max |
1.25 max |
17.00/19.00 |
.............. |
1.75/2.25 |
.............. |
| 58 |
.16/.21 |
1.00/1.30 |
.45/.65 |
.............. |
.............. |
.............. |
| 59 |
.18/.23 |
1.00/1.30 |
.70/.90 |
.............. |
.............. |
.............. |
| 61 |
.23/.28 |
1.00/1.30 |
.70/.90 |
.............. |
.............. |
B |
| 63 |
.31/.38 |
.75/1.10 |
.45/.65 |
.............. |
.............. |
.0005-.003 |
| 64 |
.16/.21 |
1.00/1.30 |
.70/.90 |
.............. |
.............. |
.............. |
| 65 |
.21/.26 |
1.00/1.30 |
.70/.90 |
.............. |
.............. |
V |
| 66 |
.16/.21 |
.40/.70 |
.45/.75 |
1.65/2.00 |
.08/.15 |
.10/.15 |
| 67 |
.42/.49 |
.80/1.20 |
.85/ 1.20 |
.............. |
.25/.35 |
.............. |
Unless Specified:
Si = .15/.35, P = .035 max, S = .040 max
*P = .040 max, S = .15/.35, Si = 1.00 max
Note : PS Nos. 15, 24 and 30 are now standard grades.
(See SAE Nos. 4120, 4121 and 4715)