To include the quenching and tempering intermediate softening annealing and finishing after.
要包括中间的软化退火和精加后的淬火及回火。
The most commonly used heat treatments on metals are softening annealing, quenching, normalizing, surface hardening treatment, precipitation hardening.
最常见的热处理包括软化退火、淬火、正火、表面强硬化、淀积硬化。
Hardness can do 61 — 65hrc maturation process is: annealing, softening after casting machining, machining of air cooling after quenching and low temperature stress tempering.
硬度能做到61——65hrc成熟工艺是：铸造后软化退火，便于加工，加工后空冷淬火加低温去应力回火。
At lower annealing temperature obtain high strength and high yield ratio showed cyclic softening feature easily. That is detrimental to the using life of coiled tubing.
较低退火温度获得高强度、高屈强比易表现出循环软化特征，不利于提高连续油管的疲劳寿命。
This paper introduces three methods of rapid softening and annealing for high speed steel. There are many advancetages of energy-saving, short cycle and low cost.
本文介绍了高速钢快速软化退火的三种方法。这些方法具有节能、高效、周期短、成本低等特点。
The effect of different annealing treatment of the local softening process on the main driving gear of STR heavy-duty truck was investigated.
研究了不同退火工艺对STR重型汽车主动锥齿轮局部软化效果的影响。
The effect of different annealing treatment of the local softening process on the main driving gear of STR heavy-duty truck was investigated.
研究了不同退火工艺对STR重型汽车主动锥齿轮局部软化效果的影响。
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