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Pipe:
Meterial: 20 seamless; Astm a106. Grb/a53. Grb/api 5l. Grb
Standard: Gb8163-1999, asme b36.10m---1996, jisg3452, jisg3454, din1629, api5l.
Tensile strength (mpa)≥415
Yleld point: ≥240
Chemical composition(%)
Astm a106 gr b
C≤0.30; Si≥0.10; Mn: 0.291.06; P≤0.035; S≤0.035; Cr≤0.40; Mo≤0.15; Cu≤0.40; Ni≤0.40; V≤0.08
Astm a53 gr b
C: 0.42-0.50; Si: 0.17-0.37; Mn: 0.50-0.80; P≤0.035; S≤0.035; Cr≤0.25; Cu≤0.25; Ni≤0.25
W. T tolerance: ± 12.5%

O. D tolerance:
Astm a53 grb d<48.3 ± 0.4/-0.79mm
D≥48.3 ± 1%
Astm a106 grb d<48.3 ± 0.4/-0.79mm
D48.3-114.3 ± 0.79mm
D≥114.3 ± 1.59/-0.79mm
Surface: Oiled or black painted to prevent rust
Length: 3.7-11.8m
Size: O. D.: 1/8" to 24"
W. T.: Sch 5, sch 10, sch 20, sch 40, sch 80, sch 160, sch xxs

Packaging: Hexagonal shape bundles wrapped with strong steel strip and plastic cap or according to customers'requests
Main export market: Middle east, southeast asia, europe and america, south america, africa and so on.
email:junpipe at hotmail dot com
web:www.chdco.com
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