Ni Plastic Mould Steel Block

Product Description

Our NI Plastic Mould Steel Bar provided by us is highly sought after in the industry due to its durability and superb quality. It has great hardening penetration and is used mostly in the manufacture of plastic injection die molds. It has high machinability and is appropriate for medium and large plastic molds. Our NI Plastic Mould Steel Bar is very easy to use and simple to handle. Texturing, fine polishability, acceptable corrosion resistance, and vacuum-degassed steel are all advantages. This bar is very effective as well as economical and safe to use.Product details Minimum Order Quantity 200 Kilogram Coefficient of thermal expansionat Degree C 20-700 Deg C Cooling Furnace Hardening Degree C 840 - 870 Deg C Hardness after quenching HRC 51 HRC Hardness HB Max 235 Quenching Polymer or Oil Soft annealing Degree C 710 - 740 Deg C Tempering Degree C after Quenching 100-700 Deg C Thickness 125 to 1000 mm Application Construction Shape Rectangular Chemical Composition - (Typical Analysis in %) C Si Mn P S Cr Ni Mo 0.35-0.45 0.20-0.40 1.30-1.60 0.030max 0.030max 1.80-2.10 1.90-1.20 0.15-0.35 Physical Properties: Coefficient of Thermal Expansion at C 10m / (m*K) 20-100 11.2 20-200 12.8 20-300 13.5 20-400 13.7 20-500 14.3 20-600 14.7 20-700 14.9 Thermal Conductivity at C W / (m*K) 20 35 350 34 700 33 Heat Treatment: Soft Annealing C 710-740 Cooling Furnace Hardness HB max. 235 Hardening C 840-870 Quenching Polymer or Oil Hardness after quenching HRC 51 Tempering C after quenching 100 200 300 400 500 600 700 HRC 51.5 50.2 48 46.2 43 39 29