cold draw black seamless steel pipe 1/2″-14″
cold draw black seamless steel pipe 1/2"-14" Product semaless steel pipe/tube Dimension OD 5 mm - 700 mm Thickness 0.2mm - 26 mm Length 3 according to the requirements of customer Standard ASTM Grade A106/53/179/214/192/210 A/B/C ST37.2/35.4/35.8/52/52.3/52.4/42/45 10# 20# [...]