This paper analyzes and compares the ordinary heat treatment technology of q275 steel knuckle pivot pin with the quenching and backfiring technology 摘要分析、比较了q275钢钩尾销普通热处理工艺与锻热淬火回火工艺。
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Actual practice shows that the heat forging and backfiring technology can remarkably improve the mechanical performance and consume less energy 通过实践证明，采用锻热淬火回火工艺后力学性能明显提高，能源消耗显著减少。
