ARTICLE👁 1mtc · quality · standards
看懂质保书(MTC):EN 10204 3.1 的关键字段
炉号、化学成分、力学性能、热处理状态、签字与标准声明逐项讲解。
A valid 3.1 certificate links heat number to tested results, states the standard, heat treatment condition, and is signed by an independent inspection representative of the mill.
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