... :0.305-12m(1-40ft) 3)Thickness:0.6-16mm square steel pipeDimeter15*15mm-400*400mm(1/2"*1/2"-16"*16 ... -2,SS330SS400,ASTM 1010,ASTM 1017,ASTM 1020PackingIn square bundles with warterproof paperAddition1)steel grade :Q195,Q215 Q235 Fe360, St37-2, SS330 ... .5)Packing : in square bundle in container .6)Payment : T/T , L/C , Money gram7)Trade terms : CIF ,CFR , FOB rectangular steel pipe