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carbon steel pipe seamless steel pipe price

Seamless steel round tubing is primarily used for structural applications and is manufactured using extrusion, which involves piercing the center of a heated solid steel bar with a die. There are two types of round seamless steel tubing produced using this method: Cold Drawn Seamless (CDS) and Hot Finished Seamless (HFS).
 
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H48da533566b

Standard for seamless pipes

  • 1.structure with seamless pipe (GB/T8162-2008) 

  • 2.seamless pipe for fluid transmission (GB/T8163-2008) 

  • 3. Seamless pipe for low and medium pressure boiler (GB3087-2008

  • 4.high pressure boiler seamless tube (GB5310-2008)

  • 5. High pressure seamless pipe for fertilizer equipment (GB6479-2000)

  • 6 Seamless pipe for petroleum cracking (GB9948-2006) 

  • 7. Steel pipe for geological drilling (YB235-70) 

  • 8. Seamless pipe for diamond core drilling (GB3423-82) 

  • 9. Oil drilling pipe (YB528-65) 

  • 10. Carbon steel Seamless Pipe for Ships (GB5312-85)

  • 11. Seamless tube of automotive semi-axle bushing pipe (GB3088-82) 

  • 12. High pressure oil pipe for diesel engine (GB3093-86) 

  • 13. Precision internal diameter seamless tubes for hydraulic and pneumatic cylinders (GB8713-88) 

  • 14. Cold drawn or cold rolled precision seamless pipe (GB3639-83) 

  • 15 Structure with stainless steel seamless pipe (GB/T14975-2002)

  • 16. Seamless stainless steel pipe for fluid transport (GB/T14976-2002)

  • 17. Special-shaped seamless pipe

  • 18. Seamless steel pipe for low temperature pipeline (GB/T18984-2003) 

Seamless steel tube material and chemical elements
材质 碳(C) 硅(Si) 锰(Mn) 磷(P) 硫(S) 铬(Cr) 镍(Ni) 铜(Cu) 铝(Al) 钒(V) 钼(Mo)
Material Carbon Silicon Fierce Phosphorus Sulfur Chromium Nickel Cuprum Aluminum Vanadium Molybdenum
Q235B/A283-D 0.15 0.23 0.41 0.02 0.015 0.01 0.01 0.03

0.01
20#/A106-B 0.23 0.2 0.42 0.019 0.006 0.08 0.05 0.07 0.005
0.01
45#/ASTM1045 0.44 0.24 0.55 0.012 0.013 0.01 0.02 0.06


16Mn/A210-C 0.18 0.38 1.49 0.015 0.004 0.038 0.004 0.007 0.021 0.005 0.001
12CrMo/A335-P2 0.12 0.22 0.51

0.56



0.48
15CrMo/A335-P12 0.15 0.2 0.53 0.011 0.006 0.96 0.016 0.023

0.046
12CrlMoV/A335-P22 0.12 0.26 0.54 0.007 0.006 0.98 0.003 0.006 0.007 0.23 0.26
40Cr 0.41 0.25 0.62 0.033 0.034 0.94 0.026 0.028


42CrMo 0.39 0.24 0.86 0.034 0.03 0.92



0.19
15CrMoG 0.15 0.23 0.51 0.008 0.002 0.94 0.03 0.06 0.006 0.004 0.44
12CrlMoVG 0.12 0.2 0.52 0.014 0.004 1.063 0.018 0.023 0.005 0.1866 0.298
27SiMn 0.27 1.26 1.25 0.015 0.003 0.018 0.02 0.01




无缝管55

q


4 (1)


船舶用碳钢无缝管3


无缝管5



Seamless steel pipe sizes seamless tubing dimensions in mm:

Out diameter: 1/2 inch - 36 inch (21.3mm-914.4mm)

Thickness: 2.11mm-60mm ( SCH10, SCH20, SCH40, SCH80, STD, SCH120, SCH160, XXS)


Seamless pipe specification chart


NOMINAL  PIPE  SIZEOD(mm)NOMINAL WALL THICKNESS
DNNB(inch)ASMESCH10SCH20SCH30STDSCH40SCH60XSSCH80SCH100SCH120SCH140SCH160XXS
151/2"21.32.11
2.412.772.77
3.733.73


4.787.47
203/4"26.72.11
2.412.872.87
3.913.91


5.567.82
251"33.42.77
2.93.383.38
4.554.55


6.359.09
321.1/4"42.22.77
2.973.563.56
4.854.85


6.359.7
401.1/2"48.32.77
3.183.683.68
5.085.08


7.1410.15
502"60.32.77
3.183.913.91
5.545.54


8.7411.07
652.1/2"733.05
4.785.165.16
7.017.01


9.5314.02
803"88.93.05
4.785.495.49
7.627.62


11.1315.25
903.1/2"101.63.05
4.785.745.74
8.088.08




1004"114.33.05
4.786.026.02
8.568.56
11.13
13.4917.12
1255"141.33.4

6.556.55
9.539.53
12.7
15.8819.05
1506"168.33.4

7.117.11
10.9710.97
14.27
18.2621.95
2008"219.13.766.357.048.188.1810.3112.712.715.0918.2620.6223.0122.23
25010"2734.196.357.89.279.2712.712.715.0918.2621.4425.428.5825.4
30012"323.84.576.358.389.5310.3114.2712.717.4821.4425.428.5833.3225.4
35014"355.66.357.929.539.5311.1315.0912.719.0523.8327.7931.7535.71
40016"406.46.357.929.539.5312.716.6612.721.4426.1930.9636.5340.19
45018"457.26.357.9211.139.5314.2719.0512.723.8339.3634.9339.6745.24
50020"5086.359.5312.79.5315.0920.6212.726.1932.5438.144.4550.01
55022"558.86.359.5312.79.53
22.2312.728.5834.9341.2847.6353.98
60024"609.66.359.5314.279.5317.4824.6112.730.9638.8946.0252.3759.54
65026"660.47.9212.7
9.53

12.7





70028"711.27.9212.715.889.53

12.7





75030"7627.9212.715.889.53

12.7





80032"812.87.9212.715.889.5317.48
12.7





85034"863.67.9212.715.889.5317.48
12.7





90036"914.47.9212.715.889.5319.05
12.7






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