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Quick Details

  • Standard2: BS 1387, JIS G3454-2007, GB 5310-1995, GB 3087-1999, GB/T 8163-1999, GB/T 8162-1999, DIN 1629/3, DIN 2391, DIN 17175, ASTM A106-2006, ASTM A53-2007, ASTM A210-1996, ASTM A179-1990, API 5CT, API 5L
  • Grade Group: 10#-45#, Cr-Mo alloy, 16Mn, A53-A369, API J55-API P110, ST35-ST52, Q195-Q345
  • Grade: 20#, 45#, 15CrMo, 12Cr1MoV, 16Mn, A53(A,B), A106(B,C), API J55, API K55, St37, St52, St42, St45, Q235, Q345, API J55, A53B, A106B, ST37, ST52API J55, API K55, API L80
  • Thickness: 3 - 80 mm
  • Section Shape: Round
  • Outer Diameter(Round): 34 - 406 mm
  • Place of Origin: Shandong, China (Mainland)
  • Secondary Or Not: Non-secondary
  • Application: Oil Pipe
  • Technique: Hot Rolled, Seamless hot rolled
  • Certification: API
  • Surface Treatment: painting
  • Special Pipe: API Pipe
  • Alloy Or Not: Non-alloy
  • Brand Name: zhongzheng
  • Business type: manufacturer and trade company
  • Outer Diameter: 34-406mm
  • Price range: fob qingdao$700-850/ton
  • Delivery time: 20days
  • Package: standard export packing
  • MOQ: 10tons

Packaging & Delivery

Packaging Details 1.Plastic hats cover two ends;
2.Tied in bundles by steel strips for the convenience of long distance transportation.
3.Black paint or vanish .
4.Plastic bags of outside with steel pipe .
Delivery Time 20days


carbon seamless steel pipe
(1)we have ISO9001,API certificate and MTC.
(2)we have stock,good packing,lower price,good quality.

carbon seamless steel pipe

(1).Product Name : Seamless Carbon Steel Pipe 

(2). Brand : Zhongzheng Steel Pipe  ( By ourself )


   OD 21.3mm - 355.6mm ( 1/2'' -  14'')

(4) Standard ;

       ASTM A106 GR B ,        ASTM A53 GR B

       SAE1020                 SAE1045

       JIS G4051 S20C           JIS G4051 S45C

       JIS G3454 STPG370        JIS 3454 STPG42

       DIN ST 45-8               DIN ST 52  

(5) Tolerate:

          OD +1% / -1%

          Thickness +12.5% / -10%

          lengh  20mm

(6) Technics : hot rolled and Cold draw.

(7)  Packing : Plastic Caps and mark on the pipe


The payment terms:30%TT and 70%TT OR LC

The delivery time:20days

The delivery port:qingdao or Tianjin port.


Transaction History of the Supplier

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China (Mainland) | Manufacturer, Trading Company
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