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0.25毫米厚T10A弹簧钢带,过去按苏联《红霞》工厂企业标准ТУМ31-54技术条件使用,其强度要求为185～205公斤/毫米~2。在生产上是通过检验样件(做强度与硬度试验)与零件(作硬度试验)后比较,来判断零件是否符合强度要求,因此提出了强度与硬度的换算问题。在进行热处理弹簧钢带的强度与硬度换算时,最初我们使用了当时引进的苏联“708—58”换算表(这个《换算表》也登载在苏联航空材料标准试验方法中,
0.25mm thick T10A spring steel strip used in the past by the Soviet Union “Hongxia” factory enterprise standard ТУМ31-54 technical conditions, the strength requirements of 185 ~ 205 kg / mm ~ 2. In the production is through the test sample (strength and hardness test) and parts (for hardness test) after comparison to determine whether the parts meet the strength requirements, so the proposed conversion of strength and hardness. In the conversion of the strength and hardness of the heat-treated spring strip, initially we used the Soviet Union’s “708-58” conversion table introduced at the time (this “conversion table” is also published in the Soviet Aerospace Materials Standard Test Method,