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研究了热处理工艺对S7钢组织和硬度的影响 ,结果表明 ,S7钢在 810～ 830℃加热 ,15～ 30℃ /h冷却 ,软化效果最好 在 85 0～ 880℃加热淬火 ,5 5 0℃回火 ,可满足热作模具钢的使用性能要求
The effects of heat treatment process on the microstructure and hardness of S7 steel were studied. The results show that S7 steel is heated at 810 ~ 830 ℃ and cooled at 15 ~ 30 ℃ / h, the softening effect is best quenched at 85 0 ~ 880 ℃, Tempering, to meet the hot work die steel performance requirements