Quality Flat Bar: 1) Size: 5# - 32# 2) Good quality 3) Q235, SS400 or ST37-2 4) Name:Lode Quality Flat Steel Bar:P20+Ni flat steel1.Mian application Large precision,high polishing plastic moulds,such as car accessories,household applianc,Electronic and AUDIO-Video products2.Delivery condition Conventional or ESR,hot rolling or forging,black surface or milling Hardened and tempered to:28-35HRC ...