1.Size of 420 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:0.35-0.43 si:0.20-0.80 mn:0.55-0.95 p:max 0.028 s:max 0.020 cr:13.00-14.00 3.Similar grade Gb:4cr13 aisi:420 din:1.2083 jis:sus420j2 4.Featuresâ ofâ 420 steelâ  (1)â excellent corrosion resistance.  (2)excellent abrasion resistance and elasticity.  (3)â excellent high-temperature abrasion resistance.  (4)lower impurity. 5.Application  (1)chemical resistance plastic mold.  (2)corrosion of thermoplastic plastics.  (3)â small moulds.  (4)transparent, mirror products and moulds. 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