AISI S7 HOT ROLLED TOOL STEEL BAR

.AISI S7 HOT ROLLED TOOL STEEL BAR S7 is an air or oil hardening shock resisting (cold work) tool steel offering a unique combination of toughness and wear resistance. This material is primarily used in applications that require resistance to shock and/or impact. Chemical Composition Standard Grade Chemical composition (%) C Si Mn Cr Mo V P S AISI S7 0.45-0.55 0.20-1.00 0.20-0.90 3.00-3.50 1.30-1.80 ≤0.35 ≤0.030 ≤0.030 Available Size Hot rolled round bar: dia12mm-dia360mm Hot rolled flat bar: thickness1mm-360mm, width30mm-1020mm Available Heat Treatment Annealing/Normalizing/Hardening/Tempering/Quenching Hardness after annealing ≤HBS: 229 Hardness after cold drawn ≤HBS: 255 Preheating temperature:677°C Quenching temperature: (1)salt bath furnace: 941 °C (2)controlled atmosphere furnace: 954 °C Soaking temperature: 5-15min Cooling medium: Air cooling Tempering temperature: 204 °C Hardness after tempering≥HRC: 56 Characteristics 1. Good resistance to softening at moderately high temperatures 2. Good deformation resistance 3. S7 tool steel can be used successfully for both cold and hot work Application Blanking Dies, Brake Dies, Chisels, Die Casting Dies, Forming Dies, Gripper Dies, cold and warm header dies, shears, compression dies, hobbed dies, high hardness plastic molds, zinc die casting dies, etc. Delivery Condition Hot rolled, black surface/ turned surface with customers’ required heat treatment.

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jianhui metals group
Alabama, China | Rating

AISI S7 HOT ROLLED TOOL STEEL BAR