BS 1387 Hot Dip Galvanized Welded Steel Pipe

bs 1387 hot dip galvanizedgalvanised welded steel pipetube product description specifications: direct channel allows depth. Hot rolled, hot extruded steel tube, the diameter is less than or equal to 140mm less than 5% of the nominal wall thickness, the maximum depth of not more than 0.5mm; cold drawing (rolling) steel is not greater than 4% of the nominal wall thickness, the maximum depth of not more than 0.3mm. Technical parameter for stainless pipe tensile strength 520-530mpa yield strength 0.2% 205 - 225 elongation % 35 - 38 corrosion test acceptable flaring acceptable hydraulic acceptable eddy current acceptable pmi accrptable surface acid wash, annealing ends beveled and caps packing woven bags about 2ton for each bundle dimension od size 18 - 32 inch thickness xs std sch5 sch10 sch20 sch30 sch40 sch80 sch160 length 5 - 5.8m, 6m,double random length certificate isosgsbvlloydabsccsrinagldnv description: for the steel to withstand the pressure to the hydraulic test to test its ability and quality, leakage, soaked or expansion for qualified does not occur at the prescribed pressure, some steel according to the requirement of standard or edge test, flaring test, flattening test. Also known as the seamless stainless steel pipes, stainless steel seamless pipe, steel ingot or billet is made by solid capillary hole, then hot, cold or cold drawing made. Specification for seamless steel tube with outer diameter * wall thickness mm