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Galvanized pipe is to make the molten metal react with the iron matrix to produce an alloy layer, so that the matrix and the coating are combined. Hot-dip galvanizing is to pickle the steel pipe first. In order to remove the iron oxide on the surface of the steel pipe, after pickling, it is cleaned in the tank of ammonium chloride or zinc chloride aqueous solution or mixed aqueous solution of ammonium chloride and zinc chloride, and then sent to the in the hot dip bath. Hot-dip galvanizing has the advantages of uniform coating, strong adhesion and long service life.
Type | Galvanized Seamless Seel pipe |
Wall Thickness | 1 - 200 mm |
Length | 1---12M , according to customers' requirements |
Outer Diameter | 16 - 1020mm |
Material | A53 , A283 , A106-A , A179-C , A214-C , A192 , A226 , A315 , A106-B , A178 , A210Q195 , Q235 , Q275 , 10# , 15#20# , 45# 20GSTPG38 , STS38 , STB , 30 , STS42 , STB42STB35ST33 , ST37 , ST35.8 , ST42 , ST45-8 , ST52 |
Standard | API 5L, EN-10208-1/2, GB9711.1/2, ISO, BS1387, ASTM A53, GB 3091 |
Heat Treatment | Annealed; Quenched; Tempered |
Surface treatment | Rust remove, black painting,Galvanized, antirust oil, varnish, 3PE, |
Certification | ISO, SGS，BV，Mill Certificate |
Technique | Hot Rolled Or Cold Rolle |
Surface | Bare , Varnished , Zinc coating , Anti-corrosion , 3PE , PE/PP/EP/FBE . etc |
Application | For oil pipe , line pipe in petroleum and natural gas , structure pipe , water and gas , also for chemical industry |
price terms | FOB,CRF,CIF,EXW all acceptable |
Packaging Details | standard export packing ( inside : water proof paper , outside : steel covered with strips and pallets ) Hexagon Shape Bundle , Covered With Tarpaulin , Containers Or In Bulk |