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Composition of Steels
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Nickel Steels |
| SAE
Number |
AISI
Number |
Carbon C |
Manganese Mn |
Nickel
Ni |
Chromium
Cr |
Moly. Mo |
| 2317 |
A2317 |
0.15-0.20 |
0.40-0.60 |
3.25-3.75 |
- |
- |
| 2330 |
A2330 |
0.28-0.30 |
0.60-0.80 |
3.25-3.75 |
- |
- |
| 2340 |
A2340 |
0.38-0.43 |
0.70-0.90 |
3.25-2.75 |
- |
- |
| 2515 |
A2515 |
0.12-0.17 |
0.40-0.60 |
4.75-5.25 |
- |
- |
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Nickel-Chromium Steels |
| SAE
Number |
AISI
Number |
Carbon C |
Manganese Mn |
Nickel
Ni |
Chromium
Cr |
Moly. Mo |
| 3115 |
A3115 |
0.13-0.18 |
0.40-0.60 |
1.10-1.40 |
0.55-0.75 |
- |
| 3120 |
A3120 |
0.17-0.22 |
0.60-0.80 |
1.10-1.40 |
0.55-0.75 |
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| 3130 |
A3130 |
0.28-0.33 |
0.60-0.80 |
1.10-1.40 |
0.55-0.75 |
|
| 3135 |
A3135 |
0.33-0.38 |
0.60-0.80 |
1.10-1.40 |
0.55-0.75 |
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| 3140 |
A3140 |
0.38-0.43 |
0.70-0.90 |
1.10-1.40 |
0.55-0.75 |
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| 3141 |
A3141 |
0.38-0.43 |
0.70-0.90 |
1.10-1.40 |
0.70-0.90 |
|
| 3145 |
A3145 |
0.43-0.48 |
0.70-0.90 |
1.10-1.40 |
0.70-0.90 |
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| 3150 |
A3150 |
0.48-0.53 |
0.70-0.90 |
1.10-1.40 |
0.70-0.90 |
|
| 3240 |
A3240 |
0.38-0.45 |
0.40-0.60 |
1.10-1.40 |
0.90-1.20 |
|
| 3310 |
E3310 |
0.08-0.13 |
0.45-0.60 |
1.10-1.40 |
1.40-1.75 |
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Molybdenum Steels |
| 4023 |
A4023 |
0.20-0.25 |
0.70-0.90 |
|
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0.20-0.30 |
| 4027 |
A4027 |
0.25-0.30 |
0.70-0.90 |
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0.20-0.30 |
| 4032 |
A4032 |
0.30-0.35 |
0.70-0.90 |
|
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0.20-0.30 |
| 4037 |
A4037 |
0.35-0.40 |
0.75-1.00 |
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0.20-0.30 |
| 4042 |
A4042 |
0.40-0.45 |
0.75-1.00 |
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0.20-0.30 |
| 4047 |
A4047 |
0.45-0.50 |
0.75-1.00 |
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0.20-0.30 |
| 4063 |
A4063 |
0.60-0.67 |
0.75-1.00 |
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0.20-0.30 |
| 4068 |
A4068 |
0.64-0.72 |
0.75-1.00 |
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0.20-0.30 |
| 4119 |
A4119 |
0.17-0.22 |
0.70-0.90 |
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0.40-0.60 |
0.20-0.30 |
| 4125 |
A4125 |
0.23-0.28 |
0.70-0.90 |
|
0.40-0.60 |
0.20-0.30 |
| 4130 |
A4130 |
0.28-0.33 |
0.40-0.60 |
|
0.80-1.10 |
0.15-0.25 |
| 4137 |
A4137 |
0.35-0.40 |
0.70-0.90 |
|
0.80-1.10 |
0.15-0.25 |
| 4140 |
A4140 |
0.38-0.43 |
0.75-1.00 |
|
0.80-1.10 |
0.15-0.25 |
| 4145 |
A4145 |
0.43-0.48 |
0.75-1.00 |
|
0.80-1.10 |
0.15-0.25 |
| 4150 |
A4150 |
0.46-0.53 |
0.75-1.00 |
|
0.80-1.10 |
0.15-0.25 |
| 4320 |
A4320 |
0.17-0.22 |
0.45-0.65 |
1.65-2.00 |
0.40-0.60 |
0.15-0.25 |
| 4340 |
A4340 |
0.38-0.43 |
0.60-0.80 |
1.65-2.00 |
0.70-0.90 |
0.20-0.30 |
| 4615 |
A4615 |
0.13-0.18 |
0.45-0.65 |
1.65-2.00 |
- |
0.20-0.30 |
| 4620 |
A4620 |
0.17-0.22 |
0.45-0.65 |
1.65-2.00 |
- |
0.20-0.30 |
| 4640 |
A4640 |
0.38-0.43 |
0.60-0.80 |
1.65-2.00 |
- |
0.20-0.30 |
| 4815 |
A4815 |
0.13-0.18 |
0.40-0.60 |
1.65-2.00 |
- |
0.20-0.30 |
| 4820 |
A4820 |
0.18-0.23 |
0.50-0.70 |
3.25-3.75 |
- |
0.20-0.30 |
All of the steel in the table
above have a silicon range 0.20-0.35. Maximum
phosphorus content and sulphur content in all
cases is 0.040 except SAE3310 which has max
phosphorus and sulphur content of 0.025
(contd)
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