square steel pipe 1)Dimensions:15x15mm-400x400mm(1/2"x1/2"-16"x16") ... 2"-16"*16")Thickness0.6-20mmLength0.305-12m(1-40ft)Steel gradeQ195,Q215,Q235,Q345,Fe360,St37-2,SS330SS400,ASTM 1010 ... ,ASTM 1017,ASTM 1020PackingIn square bundles with warterproof paperAddition1)steel grade :Q195,Q215 Q235 Fe360, St37-2, SS330, SS400, ... /T , L/C , Money gram7)Trade terms : CIF ,CFR , FOB rectangular steel pipe