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Chemical Requirement of B5 B6 and B6X (A193/A193M)
B5 , B6 , B6X
Type |
Ferritic Steels |
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Grade |
B5 |
B6 and B6X |
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Description |
5% Chromium |
12% Chromium |
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UNS Designation |
- |
S41000(410) |
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- |
Range |
Product Variation,Over or Under B |
Range |
Product Variation,Over or Under |
Carbon |
0.10 min |
0.01 under |
0.08-0.15 |
0.01 over |
Manganese, max |
1.00 |
0.03 over |
1.00 |
0.03 over |
Phosphorus, max |
0.040 |
0.005 over |
0.040 |
0.005 over |
Sulfur, max |
0.030 |
0.005 over |
0.030 |
0.005 over |
silicon |
1.00 max |
0.05 over |
1.00 max |
0.05 over |
Chromium |
4.0-6.0 |
0.10 |
11.5-13.5 |
0.15 |
Molybdenum |
0.40-0.65 |
0.05 |
- |
- |