kwk steel co., ltd
seamless steel tube
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:
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.