Specification: m6 to m45 Length: according to the drawing Material: q235, 45 Finish : blue, white , mixed, blue-white, blacken, h.D.G. Cr6.Cr3 Inspection standar: q235 The minimum tensile strength(mpa) 420 Hardness(hv) 130 The yield strength(mpa)340 Inspection standard: 45# Item below m16 above m16 The minimum tensile strength(mpa): 800 830 Hardness:hrc 2232 2334 The yield strength:(mpa) 580/rp0.20.91 600/rp0.20.91 Elongation: 12% Shrinkage rate: 52% 1.Carton box, 2.Cardboard cylinder, 3.Innerpacking;plastic woven bags Outer packing:european style wooden pallet, 4.Inner packing:plastic woven bags, Outer packing:common wooden pallet