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Standard: JIS, GB, DIN, ASTM, API 
Grade: 20#, 45#, St52, St42, Q345, Q195, 
Thickness: 0.5-20'' 
Section Shape: Round 
Outer Diameter: 21.3-610MM 
Place of Origin: China (Mainland) 
Secondary Or Not: Non-secondary 
Application: Fluid Pipe 
Technique: Hot Rolled 
Certification: API 
Surface Treatment: Paint OR OILED 
Packaging Detail: Packing in bundles or paint or for the clients' needs 

Specifications 
A106/A53 grade B Seamless Steel Pipe 
1: ASTM A106/A53-B API5L-B 
2: OD: 21.3-610mm WT: 0.5-20'' 
3: Tolerate: 
OD: +1% / -1% WT: +12.5% / -10% 
4: Technics: Hot rolled. Or cold rolled 
5: Packing: Paint, bundles or for the clients' needs 
6: Application field: Transportation of oil, gas or fluid, Construction, Electricity, Machine building industy, Chemical industy, Petroleum, Traffic.