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Carbon steel pipe
Carbon Steel Pipes are widely used in fertilizer, petroleum, centra station, boiler, power station, shiping, chemical industry, environment protection, food industry, and so on.
Available Specifications:
ASTM/ASME A/SA106
Seamless carbon steel pipe for high -temperature service
ASTM/ASME A/SA179
Seamless cold drawn low-carbon steel heat- exchanger and condenser tubes.
Chemical Requirements
Composition, % | ||||
Grade A | Grade B | Grade C | ||
Carbon, maxA | 0.25 | 0.30 | 0.35 | |
Manganese | 0.27-0.93 | 0.29-1.06 | 0.29-1.06 | |
Phosphorus, max | 0.035 | 0.035 | 0.035 | |
Sulfur, max | 0.035 | 0.035 | 0.035 | |
Silicon, min | 0.10 | 0.10 | 0.1 | |
Chrome, maxB | 0.40 | 0.40 | 0.40 | |
Copper, maxB | 0.40 | 0.40 | 0.40 | |
Molybdenum, maxB | 0.15 | 0.15 | 0.15 | |
Nickel, maxB | 0.40 | 0.40 | 0.40 | |
Vanadium, maxB | 0.08 | 0.08 | 0.08 | |
A For each reduction of 0.01 % below the specified carbon maximum, an
increase of 0.06 % manganese above the specified maximum will be permitted up
to a maximum of 1.35 %.
B These five elements combined shall not exceed 1 %.
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