Welded Carbon Steel Pipe

Welded Carbon Steel Pipe

The commonly used material grade for the welded carbon steel pipe covers ST52.3, GR.B, Q235 and Q345. The product is fabricated by following the standards of ASTM A106, ASTM A53, API 5L, API 5CT, GB/TB163 and GB/T8162. Its usage shows in many aspects involving boiler, nuclear power, machinery, aviation, petroleum, chemical industry, construction, etc.

Specification
External Diameter 13.7mm-3000mm
Wall Thickness 2mm-25mm
Length conventional length or satisfying the needs of customers
Packing Mode typically packed into the hexagonal bundle with the steel strip as well as the additional plastic cap available or following the requirements of customers
Surface Treatment black varnish, corrosion resistant oil, galvanization or in line with the needs of customers
 
Mechanical Property and Chemical Composition
  Mechanical Property Chemical Composition
Yield Strength Tensile Strength Elongation C Si Mn S P
MPa kg/mm² MPa kg/mm² Min.
Q215A 215 22 335-410 34-42 31 0.09-0.15 0.03 0.25-0.55 0.05 0.045
Q215B 0.045
Q235A 235 24 375-460 38-47 26 0.14-0.22 0.3 0.30-0.65 0.5 0.045
Q235B 0.12-0.20 0.30-0.70 0.45 0.045
Q235C ≤0.18 0.35-0.80 0.4 0.04
Q235D ≤0.17 0.35-0.80 0.035 0.035
Q295A ≥295   390-570   ≥23 ≤0.16 ≤0.55 0.80-1.50 ≤0.045 ≤0.045
Q295B ≤0.16 ≤0.55 0.80-1.50 ≤0.04 ≤0.04
16Mn 345 35 510-600 51.6 22 0.12-0.20 0.20-0.55 1.2-1.6 0.045 0.045
(Q345B)
X42 289 29.5 413 42.1   0.28 - 1.25 0.03 0.03
X52 358 36.5 455 46.4 0.3 - 1.35 0.03 0.03
X56 386 39.4 489 49.9 0.26 - 1.35 0.03 0.03
X60 413 42.1 517 52.7 0.26 - 1.35 0.03 0.03
X65 448 45.7 530 54 0.26 - 1.4 0.03 0.03
X70 482 49.2 565 57.6 0.26 - 1.4 0.03 0.03
L245 245   415   21 0.26   1.15 0.03 0.03
L290 290   415   21 0.28   1.25 0.03 0.03
L360 360   460   19 0.3   1.25 0.03 0.03
20# ≥245 25 ≥410 42 25 0.17-0.24 0.17-0.37 0.35-0.65 0.035 0.035 

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Related Names
DSAW Pipe Manufacturer | Double Submerged Arc Welded Tube | Water Pipeline | Building Structural Pipe

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