Product:Cold drawn seamless steel tube
Specification:OD:4-60mm,WT:0.5-8mm
Raw material:10#,20#,45#,16Mn,ST35,ST37,ST37.4,ST45,ST52.4,Q235B.
Srandard:DIN2391,DIN1630,EN10305,SAE J524,ISO8535,3639-2000,ASTM A519
Establish:More than six years
Advantage:Our own factory and export by ourself