Heat damage generally is removed by carefully machining the base metal. Afterward, another temper etch inspection is done to ensure that the machining did not create more heat damage.
去除热损伤的方法是仔细切削本体金属，然后，再做一次回火刻蚀检查，确保切削工作没有产生进一步的热损伤。
Both conditions can be detected by a temper etch (i. e., nital etch) inspection of the base metal.
两种情况在对本体金属的回火蚀刻检查中会发现。
B. base Metals: Produce door hardware units of base metal indicated, fabricated by forming method indicated, using manufacturer's standard metal alloy, composition, temper, and hardness.
基本金属材料：按照要求生产门用五金，按照要求的组件方法加工，使用制造商的标准金属合金，成分，韧度和硬度。
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