Attn: International Sales Division We have immediate requirement for following: ALLO STEEL FLAT BARS AND PLATES - Grade : AISI P 20 ( 1.2311 ) - ====================== Surface: Black Materials should be Prehardened and Tampered Hardness: 28-32 Chemical Composition: The chemical composition requied as per attached sheet C 0.35 0.45 SI 0.20 0.40 MN 1.30 1.60 P