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 %.
