We supply the all knids of seamless steel pipe as the best price and the reasonable price. Production Carbon seamless steel pipe Brand Huida Specification 10.29mm-508mm (1/8''-20'')× 1.2mm-39mm Standard GB, ASTM, API 5L, API 5CT,DIN, JIS and so on Out Diameter 10.29mm-508mm. (1/8''-20'') Wall Thickness 1.2mm-39mm Grade 10#,20#,45#,16Mn,27SiMn,12Cr1MoV,Q235, ST42,ST52,A106-a,A106-b, and so on ...