油淬火-回火弹簧钢丝 oil-tempered spring steel wire
铬钒钢盘条金属丝和弹簧。高负荷地线。淬火和回火。规范。
Chromium - vanadium steel wire rod, wire and springs - high duty ground wire - hardened and tempered - specification.
建议对磨削后磨削面呈蓝黑色的弹簧再一次回火处理并检查是否存在缺陷。
It is suggested that the springs having bluish dark color grinding face after grinding should be tempered once more and inspect existing defects or not.
分析了国产油淬火-回火弹簧钢丝的各种质量缺陷，并提出了相应的改善措施。
To analyze every quality defeCts Of oil-tempered spring steel wire made in China, put forward appropriate improvement measures.
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