Songshun mould steel deal in different types of our advantage products include mould steel and minerals & metallurgy products. 1.Size of 5140 alloy steel Diameter(mm):20~600 length (mm):1000~6000 Plate Thickness(mm):max:800 width (mm):max:2200 length (mm):max:6000 The specification can be customized. 2.Chemical compositions C:0.37-0.44 si:0.20-0.40 mn:0.50-0.80 p:max 0.035 s:max 0.035 cr:0.80-1.10 3.Similar grade Gb:40cr aisi:5140 din:1.7035 jis:scr440 4.Feature of 5140 steel (1)medium carbon cold heading die steel. (2)after heat treatment get toughness and wear resistance. (3)good mechanical properties in tempering. (4)suitable for surface-hardening treatment. 5.Application For all kinds of bearings, various machine parts, screw and nuts, transmission parts. 6.Min.Order quantity:5 ton/tons our moq is flexible Supply capacity:5000 ton/tons per month Or based on the clients' demand Port:shenzhen Payment terms:l/c, d/p, t/t 7.Packaging & delivery In seaworthy packingï¼? 20ft:gw 28t; (5.80m*2.13m*2.18m); 40ft:gw28t; (11.8m*2.13m*2.18m) or based on your order Shipped in 15 days after payment 8.Special use:mold steel 9.Surface treatment:black/polished/machined Technology:hot rolled/forged/cold drawn Heat treatment:annealing/q+t