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Galvanized square tube s235jr,galvanized steel square tube A36,HDG square steel tube
Galvanized square tube s235jr,galvanized steel square tube A36,HDG square steel tube is rolling from mild steel pipe and then coated zinc layer according to customers’ request.Galvanized square tube s235jr has a better chemical corrosion resistance than without galvanized coated tube.
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Galvanized square tube s235jr shall be rolling complying to specification EN 10025-2,square tube S235JR owns minimum yield strength 235 Mpa,and tensile strength 360 TO 510 Mpa.
Galvanized steel square tube A36 made from carbon square tube A36 under specification ASTM A36/A36M.
HDG square steel tube is short for Hot Dipped Galvanized square steel tube,normally zinc coat layer thickness is 25um to 45um.
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