... seamless steel pipeBrandzhcxSpecification10.29mm-508mm (1/8''-20'')× 1.2mm-39mmStandardGB, ASTM, API 5L, API 5CT,DIN, JISOut ... Diameter10.29mm-1016mm. (1/8''-20'')Wall Thickness1.2mm-39mmGrade10#,20#,45#,16Mn,27SiMn,12Cr1MoV,Q235,ST42,ST52,A106 ... of OriginTianjin, ChinaModel Number10.29mm-1016mm (1/8''-40'')× 1.2mm-39mmTechniqueSeamless, weldedUsage1. Low and middle pressure fluid transportation ...