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Chapter 2 Wrought Carbon & Alloy Steels - Chemical
Compositions
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CHROMIUM-MOLYBDENUM STEELS - CHEMICAL COMPOSITIONS
|
UNS |
Nominal Cr-Mo |
C |
Mn |
Si |
P max |
S max |
Cr |
Mo |
|
K12122 |
1/2Cr-1/2Mo |
0.10-0.20 |
0.30-0.80 |
0.10-0.60 |
0.040 |
0.040 |
0.50-0.80 |
0.45-0.65 |
|
K11562 |
1Cr-1/2Mo |
0.15 |
0.30-0.60 |
0.50 |
0.045 |
0.045 |
0.80-1.25 |
0.45-0.65 |
|
K11597 |
1 1/4CR-1/2Mo |
0.15 |
0.30-0.60 |
0.50-1.00 |
0.030 |
0.030 |
1.00-1.50 |
0.45-0.65 |
|
K11592 |
1 1/4Cr-1/2Mo |
0.10-0.20 |
0.30-0.80 |
0.50-1.00 |
0.040 |
0.040 |
1.00-1.50 |
0.45-0.65 |
|
K21590 |
2 1/4Cr-1Mo |
0.15 |
0.30-0.60 |
0.50 |
0.040 |
0.040 |
2.00-2.50 |
0.87-1.13 |
|
K31545 |
3Cr-1Mo |
0.15 |
0.30-0.60 |
0.50 |
0.030 |
0.030 |
2.65-3.35 |
0.80-1.06 |
|
K31830 |
3Cr-1MoVa |
0.18 |
0.30-0.60 |
0.10 |
0.020 |
0.020 |
2.75-3.25 |
0.90-1.10 |
|
K41545 |
5Cr-1/2Mo |
0.15 |
0.30-0.60 |
0.50 |
0.030 |
0.030 |
4.00-6.00 |
0.45-0.65 |
|
K61595 |
7Cr-1/2Mo |
0.15 |
0.30-0.60 |
0.50-1.00 |
0.030 |
0.030 |
6.00-8.00 |
0.45-0.65 |
|
K90941 |
9Cr-1Mo |
0.15 |
0.30-0.60 |
0.50-1.00 |
0.030 |
0.030 |
8.00-10.00 |
0.90-1.10 |
|
--- |
9Cr-1MoVb |
0.08-0.12 |
0.30-0.60 |
0.20-0.50 |
0.010 |
0.020 |
8.00-9.00 |
0.85-1.05 |
|
a. Also contains 0.020-0.030% V, 0.001-0.003% B, 0.015-0.035% Ti. |
|
b. Also contains 0.40% Ni, 0.18-0.25% V, 0.06-0.10% Nb, 0.03-0.07% N, 0.04%
Al. |
|