S235JR ERW Steel Pipe 1>Standard: ASTM A53,API5L, ... - 610mm 4>WT: 0.3mm - 22mm S235JR ERW Steel Pipe1> Standard: ASTM A106, ASTM A53, ASTM A179 ... : 0.5m-20m(fixed or random)6> Surface Finish: Oiled, Hot dip galvanized, Electro galvanized, Black, Bare, Varnish ... or Western Union4> Supply ability : 300,000 ton per yearBelieve us, we can provide most suitable scaffolding pipes to you. S235JR ERW Steel Pipe ...