Hot Galvanized Steel pipe is a pipe that has been dipped into a molten zinc bath. The layer of zinc provides a protective boundary, permitting steel to be used in moderately corrosive services and outdoors services.The steel grade is ST 37-2 according to DIN 17100. The zinc coating is according to DIN 2444 with minimum coating thickness 400 g/m2.
STANDARDS:ASTM A106,ASTM 53,API 5L,JIS P2311...
SHAPE: round ,square and rectangular
OD: 21.3mm-219mm
WT: 0.5mm-12mm
Zinc Coating: 300-500g/m2, (42um-70um)
Applications: Construction foundation piles, steel structure building, structure pipe in construction.
Recommendation: JIS G3444, ASTM A53 A/B, BS1387, DIN2440, ISO65, ISO1461,GB/T 3091 etc.