Bazhou Wanxin Industrial and Trading Co., Ltd.
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What is the Difference Between Seamless and ERW Stainless Steel Pipes?


Electric Resistance Welding (ERW) pipe is manufactured by rolling metal and then welding it longitudinally across its length. Seamless pipe is manufactured by extruding the metal to the desired length; therefore ERW pipe have a welded joint in its cross-section, while seamless pipe does not have any joint in its cross-section through-out its length.

In Seamless pipe, there are no welding or joints and is manufactured from solid round billets. The seamless pipe is finished to dimensional and wall thickness specifications in sizes from 1/8 inch to 26 inch OD. Applicable in for High-pressure applications such as Hydrocarbon Industries & Refineries, Oil & Gas Exploration & Drilling, Oil & Gas Transportation and Air and Hydraulic cylinders, Bearings, Boilers, Automobiles
etc.

Head office:BaZhou WanXin Industrial and Trading Co., Ltd.
Tel:+86-316-7190860
Fax:+86-316-7230054
E-mail:sales01@cnwanxin.com
Address:No.965, Taiping Road, Bazhou City, Hebei Province,China

Affiliate:Beijing WanXin Ocean International Trade Co., Ltd.
Tel:+86-10-85790132
Fax:+86-10-85790332
Address:8 floor 803, No.104 North Chaoyang Road, Chaoyang District, Beijing City, China