seamless carbon steel pipe

Price: 600.0~800.0 USD
Trade Term: FOB
Payment Terms: T/T,L/C
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Basic Info.
  • type: seamless 
  • OD: 20-159mm 
  • WT: 2-20mm 
  • Model No.: ASTM A53 ASTM A106 ASTM A179 EN10297 EN10255 
  • Place of Origin: Hebei  
  • Min.Order: 30 Ton
  • Means of Transport: Ocean
Supply Capacity
  • Production Capacity: 1000tons/month
  • Packing:in bundle
  • Delivery Date: 30-45days

seamless steel pipe manufacturing

Passed the API certification and ISO 9001-2000 certification.

The seamless steel tube with the brand of"hongling" produced by the company is the most famous brand products of China.

The raw materials are carbon steel and alloy steel.

Standard : GB3087   GB/T8162   GB/T8163   GB/T17396    API SPEC 5CT  

           ASTM A53    ASTM A106    ASTM A179    DN1629    EN10297     EN10255

The steel grade: 10# 20# 35# 45#  16Mn 45Mn2  27SiMn  40Cr etc.

The products includes:the tubes for structural purpose,fluid transportation tubes,the alloy tubes,the boiler tubes,tubes for hydraulic cylinders,the tubes for petroleum well,and so on.

seamless steel tubes for low and medium pressure
Pipe typesPipe size (mm)Tolerance(Standard)
 Hot rolled OD≤159±1%(Min±0.50mm)
>159±1.0%
 WT≤20 +15%  -12.5%(Min+0.45mm-0.35mm)
>20±12.5%
 Cold drawn OD10--30±0.40mm
>30--50±0.45mm
>50±1%
 WT<1.5-3.0 +15%   -10%  
>3 +12.5%    -10%
tubes for structural purposes
Pipe TypesPipe Size (mm)Tolerance(Standard)
 Hot rolled OD<50±0.50mm
≥50±1%
 WT<4±12.5%(Min±0.40mm)
≥4-20 +15%-12.5%
>20±12.5%
Cold drawn OD6--10±0.20mm
10--3±0.40mm
30--5±0.45mm
>50±1%
 WT±1±0.15%mm   
>1-3 +15%    -10%
>3 +12.5%    -10%
seamless steel tubes for liquid service
Pipe TypesPipe Size (mm)Tolerance(Standard)
 Hot rolled OD All±1%(Min±0.50)
 WTAll  ±15%   -12.5%(Min±0.45-0.4)
 Cold drawn OD6--10±0.20mm
10--3±0.40mm
30--5±0.45mm
>50±1%
 WT±1±0.15%mm   
>1-3 +15%    -10%
>3 +12.5%    -10%



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Hebei Hongling Seamless steel pipes manufacturing Co.,LTD
Huangliangmeng Town, Handan, Hebei, China (Mainland)
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