Seamless carbon steel pipe is made from solid tube ingot or the perforation, then through hot rolling or cold rolling. Carbon steel pipe has an important position in the steel industry in our country. 
Usages: Fluid transport, Construction materials in chemical/constuction industry etc. 
Detailed Data:20# Seamless Carbon Steel Tubes
Company: Cangzhou Hongyun Steel Pipe Co., Ltd. 
Specification: 
Out Diameter:273mm Wall Thickness: 6-20mm
Tolerance: OD+1.5,-0.8mm, WT ±12.5% 
Material: 20# 
In accordance with the standards:GB 
Type: Hot rolled, Seamless 
Why Choose Us ? 
Six years experience in production of carbon steel pipe. 
Focus on exportation 2 years. 
Certificates: SGS,ISO9001-2008(Showed Below) 
Export to: South Asia, North America, Middle East & Africa, Europe. 
The Best Price, Quality in strict accordance with the standards, the fastest time of Delivery. 
Familiar with foreign buyers' needs, familiar with knowledge of steel pipes. 
We only do export, so we more professional.