Greenhouse Hollow Section

Facotory direct sales greenhouse hollow section hot dip galvanized steel pipe manufacturers china,50mm galvanized steel pipe price,bs 1387 galvanized steel pipe price per meter mechanical manufacture, construction field, metallurgy industry, farm vehicles, agriculture greenhouse, automotive industry, railway, highway guardrail, container frame, furniture, decoration, steel structure  size for greenhouse steel pipes hot dip od  18" -24" (5.15mm-714mm) wall thickness 0.4mm-26mm class a-1, class a, class b, class c, sch20,sch40,std,xs,sch80,sch160,xxs length 5.8m length, 6m length or 12m length or as requested steel material q195 → ss330,st37,st42 q235 → ss400,s235jr q345 → s355jr,ss500,st52 standard astm a53, bs1387-1985, gbt3091-2001,gbt13793-92, gbt6728-2002 zinc coating: 120g,270g,400g,500g,550g 20μm ,40μm ,60μm,70μm,80μm usage 1)low pressure liquid, water, gas, oil, line pipe 2)construction 3)fence, door pipe ends 1) plain 2) beveled 3) thread with coupling or cap 4) chamfer 5) groove 6) screw end protector 1) plastic pipe cap 2) iron protector surface treatment 1) bared 2) black painted (varnish coating) 3) galvanized 4) oiled 5) pe,3pe, fbe, corrosion resistant coating, anti corrosion coating. Technique electronic resistance welded (erw ) electronic fusion welded (efw) double submerged arc welded (dsaw) welded line type longitudinal section shape round inspection with hydraulic testing, eddy current , infrared test packaging 1)