The test results show that the surface of H13 steel can obtain the optimum performance at temperature of complete annealing, quenching and tempering.
试验结果表明H13钢在最佳完全退火温度、淬火温度、回火温度下可得到最优综合性能。
Triangular structure of the outer conductive copper wheel points inside and outside two groove, the copper wire inside groove introduced, complete annealing.
三角结构的外层导电铜轮分内外两沟，铜线经内沟引入，完成退火。
If the red hot wire directly out of the cooling, the annealing is not complete, steel wire hardness, not easy to spring.
如果把烧红的钢丝直接取出冷却，则退火不完全，钢丝硬度大，不易绕制弹簧。
The annealing time should be long enough for complete recrystallization. Mechnical properties of the products produced in this way are excellent and stable.
工业生产和用户使用结果表明，产品冲压性能优良，质量稳定，完全满足用户的使用要求。
The annealing time should be long enough for complete recrystallization. Mechnical properties of the products produced in this way are excellent and stable.
工业生产和用户使用结果表明，产品冲压性能优良，质量稳定，完全满足用户的使用要求。
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