cold drawn seamless steel pipe as per DIN1629 ST37 Standard ASTM A106, ASTM A53, API 5L Gr.B, DIN17175,DIN1629 Material ASTM A106B, ASTM A53B, ST52, ST37,ST44,ST45 Outer diameter 13.7mm-610.6mm Wall thickness 1.5mm-30mm Length 3-12m, random or fixed, as the clients' requests Technology cold drawn Tolerance Control with in the standard, OD:+-1%, WT:+-10% Advantages 1.Short delivery time 2.Quality assurance 3.Competitive price 4.Superior Service WHATSAPP& WECHAT ID:008615965740791
