Chinese Standard: GB/T 34645-2017

Contractile strain ratio testing of metal materials tubing.

全国有色金属标准化技术委员会(SAC/TC 243)

本标准规定了测定金属管材收缩应变比CSR的方法。本标准适用于钛、锆及不锈钢等金属高精度特殊用途管材收缩应变比CSR的测试。

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