Specifications: 1, free sample 1.2767 steel plate 2, moq is flexible 3, sample free and 24 hours online 4, our company specialized in the domestic and exported special steel and die steel, including plastic die steel, hot work steel, cold work steel, alloy structural steel, bearing steel, high speed tool steel, carbon steel and stainless steel, with different specifications, various kinds, superior quality and reasonable price. We insist on the principle of "reputation first, customer is our god", and "honest, pragmatic" spirit directs our production and sale. Chemical composition C. Ni. Cr. Mo. 0.45% 4.10% 1.40% 0.30% Tempering â°c 100 200 300 400 500 600 Hrc 56 54 50 46 42 3 Coefficient of linear thermal expansion 10-6 oc-1 20-100oc 20-200oc 20-300oc 20-400oc 20-500oc 20-600oc 11.7 12.5 13.0 13.4 13.7 13.8 Tempering temperature (oc) vs. Hardness (hrc) 100oc 200oc 300oc 400oc 500oc 600oc 56 54 50 46 42 38 -