Product name ERW steel pipe Out Diameter 1/2″ -24″ ( 21.3-610mm) Wall Thickness 2-20mm Length 5.8m/ 6m/ 11.8m/ 12m or any fixed length as per customer request Standard API 5L, ASTM A53, BS1387, EN10219, EN10210, SY/T5768 -2006, GB/T3091 -2008, GB/T9711 -1, JIS G3444, JIS ...
Using hot-rolled coil or steel strip as raw material.Pre-bending, continuous forming, welding, heat treatment, sizing, straightening, cutting and other processes are shorter than spiral welding.High dimensional accuracy, uniform thickness, good surface quality, high pressure. ...