Steel grade:q195, q215.Q235, st33, st37-2, dx51d, sgcc Standard:similar to astm a653, jis g3302, en10142, en10137 Thickness: 0.20 to 3.0mm Width: 20 to 600mm Zinc coating: z06-z27 (60 to 275 grams/m2) Surface finishing: normal spangle, minimum spangle, zero spangle Surface treatment:chromated , oiled, unoiled Inside diameter: 200, 450, 508 and 610mm Weight of pallet:1000 to 3000kgs Yield strength: 280 to 350mpa Tensile strength 380 to 450mpa Package:inner pp film wrapped , outsider nylon paper wrapped , steel straps around circles on pallet for seaworthy packaging