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各位专家,EN13445-4
8.3 Welding procedure qualification record (WPQR)
Welding procedure specifications to be used in production shall be qualified by reference to an appropriate WPQR.
For the pressure retaining welds of a pressure vessel this shall be achieved by performing welding procedure approval tests in accordance with EN ISO 15614-1:2017 or by preproduction tests in accordance with EN ISO 15613:2004.
没有规定焊接工艺的适用范围,如母材组别、母材厚度、焊接材料、焊接方法、焊接位置等。这些覆盖范围是否是按照EN ISO 15614-1,如果按照EN ISO 15614-1是不是太宽泛了。
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