KWK Steel is one of the best seamless carbon and stainless steel tube products manufacturers and
exporters in china.Our main products is different seamless steel tubes:
O.D.Range:5mm~820mm.W.T.0.25mm~120mm.
Process:Cold drawing,cold rolling,hot rolling,hot expanding.
Standard we could supply is as below:
ASTM:A53,A106,A192,A179,A210,A519,A213,A312,API 5L,API 5CT,etc.
DIN:DIN17175,DIN1629,DIN2440,DIN2391,DIN2393,etc.
EN:EN10210,EN10255,EN10216,EN10297,EN10305.