1. galvanized welded steel pipe
2.Standard:BS1387-1985,GB/T3091-2001, ASTM A53,
3.Thickness:2mm-10mm
4.Outer Diameter:15mm-325mm
5.Length:6-15meters

6.Steel Grade:SPHC,08AL,08F,HG5,DF08,Q195-235,M8

we can offer many steel pipe with differernt steel grades.your inquiry will be highly appreciated.we can make sure product high quality and competitive price!