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Description:
Carbon steel pipe can be divided into seamless steel pipe, straight steel pipe, spiral steel pipe, high frequency
welded steel pipe and so on.Carbon steel seamless steel pipe is a kind of long steel.
The pipe has a hollow section and is used in a large number of pipelines for fluid transportation, such as those for oil, natural gas, gas, water and some solid materials.
Generally, the outer diameter of hot-rolled seamless pipe is greater than 32mm, the wall thickness is 2.5-75mm, the outer diameter of cold-rolled seamless pipe can be up to 6mm, the wall
thickness can be up to 0.25mm, and the outer diameter of thin-walled pipe can be up to 5mm, the wall thickness is less than 0.25mm, and the precision of cold rolling is higher than that of hot
rolling.
General carbon steel pipe: it is made of 16Mn, 5MnV and other low-alloy structural steels, such as 10, 20, 30, 35, 45, 45 etc.Seamless pipes made of mild steel such as 10 and 20 are mainly used
for fluid transportation pipes.The seamless pipe made of medium carbon steel such as 45 and 40Cr is used to make mechanical parts, such as mechanical parts of cars and tractors.Carbon steel tubes
are generally used for strength and flattening tests.The hot-rolled steel pipe is delivered in the hot-rolled or heat-treated condition;Cold rolling is delivered as heat
treatment.
Specification:
Standard:
ASTM A 106M, ASTM A 192M, ASTM A213M, GB/T 5310, JIS G3461
Brand:
A213T11, A213T12, A213T22, A192, A106, A53, etc
Chemical
Grade
C
Si
Mn
S
P
Cr
Mo
Standard
size
max
ASTM
A 192M
ASME
SA-192M
A192
SA-192
0.06
~
0.18
≤0.25
0.27
~
0.63
0.020
0.025
ASTM
A106M
ASME
SA-106
A 106B
SA-106B
≤0.30
≥0.10
0.29
~
1.06
0.020
0.025
A 106C
SA-106C
≤0.35
≥0.10
0.29
~
1.06
0.020
0.025
ASTM
A213M
ASME
SA-213M
A213
T11
SA-213
T11
0.05
~
0.15
0.50
~
1.00
0.30
~
0.60
0.020
0.025
1.00
~
1.50
0.44
~
0.65
A213
T12
SA-213
T12
≤0.15
≤0.50
0.30
~
0.61
0.020
0.025
0.80
~
1.25
0.44
~
0.65
JIS G3461
STB 340
≤0.18
≤0.35
0.30
~
0.60
0.020
0.025
GB 5310
20G
0.17
~
0.23
0.17
~
0.37
0.35
~
0.65
0.015
0.025