thesteel billets we are using are supplied by Xingcheng Special Steel and BaosteelCorp. the whole tube processing is conducted rigidly according to ISO9001:2008quality system, and oxygen-free annealing is adopted for heat treament , whichensure tube surface is smooth, no any scales both on inner and outter surface.the products are made as per international standard, such as DIN, ASTM, BS, JIS,ISO and so on.
ourproducts have been exporting to more than 20 countries and regions, whichinclude EU, America, Middle East and Asia, and they are welcomed by our clientswarmly.
Description:
Zinc Coated Steel Tube E355+N
1) Certificate:ISO9001:2008, ISO/TS16949:2009
2) Spec. & Steel Gr.:DIN2391-94/C, EN10305-4, ST37.4, ST45, ST52.4, E235, E355, St35, St37
3) O.D: 4mm-60mm.
4) W.T: 0.5mm-8mm
5) length: 6mfixed
6) delivery condition:normalizing
7) Package: bundled andwrapped in plastic or as per your requirement,
8) Surface treatment:galvanized,
9) Application:Hydrauic andpneumatic power system,