|KWK Steel is one of best carbon and stainless steel tube products manufacturer and exporter in China which own ISO9001:2008 certificate.
Our process include cold drawing, cold rolling, hot rolling and hot expanding.
Our size rang for seamless is as below:
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.
Contact us for more information!