Cold Drawn Carbon Steel Pipe API 5L Gr.B ASTM A106 Gr.B ASTM A53 Gr.B Seamless

Price: 628.09~726.15 USD
Trade Term: FOB
Payment Terms: T/T,L/C,WU
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Basic Info.
  • Outside Diameter: 1/2 to 5 Inch 
  • Wall Thickness: STD Shc40 Sch60 Sch80 
  • Length: 3 to 14 Meter 
  • C≤: 0.16 
  • Mn≤: 1.10 
  • Si≤: 0.40 
  • P≤: 0.020 
  • S≤: 0.010 
  • Surface Treatment: black paint 
  • Place of Origin: China 
  • Place of Origin: Hebei  
  • Min.Order: 5 Metric Ton
  • Means of Transport: Ocean, Land
Supply Capacity
  • Production Capacity: 10000 metric tons /month
  • Packing:end caps , balok or red paint,bundling , PE and BE
  • Delivery Date: 40 to 50 Days

Product Information


 ASTM A106. GRB/A53. GRB/API 5L. GRB ,




Yield Point



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





D<48.3                   ±0.4/-0.79mm

D≥48.3                 ±1%


D<48.3                   ±0.4/-0.79mm 

D:48.3-114.3         ±0.79mm

D≥114.3               ±1.59/-0.79mm


1M-13M, can as customers requirement


1/2" to 5"


SCH 5, SCH 10, SCH 20, SCH 40, SCH 80, SCH 160,SCH XXS


We main products , as follows : 

1. ERW steel pipe

2. seamless steel pipe

3. steel casing

4. tubing

5. hot-rolled  steel pipe

6. spiral steel pipe

7. square steel pipe

8. hot-galvanized steel pipe

standard: API5CT,  API5L,  ASTM,  JIS,  DIN,  GB , and so on.

Material: API 5L Gr.B ,X42,X52,X60,X65,X70. J55,K55,N80,L80,P110 A106Gr.a,b.c , A53 Gr.a,b ,ST37, ST52 ect

 Company and Testing Equipments

The company maintains two subsidiary companies , which include Cangzhou Hengchang Steel Pipe Manufacturing Co.,Ltd and Cangzhou Tianyu Steel Pipe Manufacturing Co.,Ltd. Our company is equipped with sophisticated manufacturing and testing equipments and a complete testing system has been established which includes advanced testing equipments. Such as X-ray detector , ultrasonic wave detector, hydrostatic tester, tension metallurgical analyzer and physical and chemical lab . These equipments and technologies guarantee that the production and testing processes are up to relevant standards, so that the products are satisfied by the requirements of clients doubtlessly.









Testing Equipments




Send message to this supplier
Ms. Mary Sun (Manager)
Tel: 86-317-3088881
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Contact Method
Cangzhou Zhongrun Steel Tube Co.,Ltd
No.10 of East Road ,North Ring,Xinhua District, Cangzhou, Hebei, China (Mainland) / 061000
Fax: 86-317-7971883
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