Supplier: SMLS steel pipe:OD 1/8-36 inch(10.3-914.4mm), ERW steel pipe:OD 1/2-26 inch(21.3-660mm), SSAW steel pipe:OD 8-120 inch(219.1-3048mm), LSAW steel pipe:OD 14-64 inch(355.6-1626mm), scaffolding tube:OD 38.1-60.3mm, length:0.3-12m, square & rectangular steel pipe