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Chinese Standard: GB/T 24297-2009

The test method for thermal deflection rate of spiral and helix coils of thermostat bimetal

MOD  ASTM B389:1981

全国电工合金标准化技术委员会(SAC/TC 228)

本标准规定了热双金属螺旋形元件热偏转率测量的原理、方法和设备要求。本标准适用于测定热双金属平螺旋形元件和直螺旋形元件的热偏转率,也适用于厚度小于0.3 mm热双金属温曲率的测量。本标准是判定一批热双金属螺旋形元件验收或拒收的质量检验手段。本标准有助于确定在某一偏转量下,螺旋形元件材料的最佳厚度和长度。

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