Purchase Qty. Reference FOB Price
10-49 tons US$680.00
50-999 tons US$560.00
1,000+ tons US$480.00
Product Description
Product Parameters Tempering: P20 tool steels are tempered at 482-593°C (900 to 1100°F) for a Rockwell C hardness of 28 to 34. Annealing: Annealing takes place at 760-788°C (1400 to 1450°F) and then the steels are cooled slowly in the furnace at a temperature less than 4°C ...