Zhejiang dingxin steel tube manufacturing company ltd is specialized in the supply of cold-drawn and cold-rolled precision steel tubes. Size range: od Ø10 to 370mm, wt 1 to 32mm Standards: din 2391, din 1629, en 10305-1 and astm a519 Materials: st37, st45, st52, e235, e255, e355, sae1020, sae1026, sae1045, 4130 and 4140 Delivery condition: +c (bk), +sr (bks), +a (gbk) and +n (nbk) Applications: auto-parts, hydraulic and pneumatic cylinder, honed tubes and drilling Steel strips bundled, cover with plastic fabric, woven bag packed
