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1 适用范围本标准规定了采用 A型脉冲反射式探伤仪 (以下简称探伤仪 )对厚度大于或等于 6mm的铁素体钢全焊透焊缝进行手工超声波探伤 (以下简称探伤 )及测量缺陷尺寸和位置的方法。但是 ,本标准不适用于制造过程中钢管焊缝的探伤。注 1 :附录 1至 6适于下列情况( 1 )附录 1适?
1 Scope This standard specifies the use of A-type pulse reflective flaw detector (hereinafter referred to as flaw detector) of the thickness of 6mm or more ferritic steel full penetration of the weld by manual ultrasonic flaw detection (hereinafter referred to as flaw detection) and measurement of defect size And location of the method. However, this standard does not apply to the manufacture of steel pipe weld inspection. Note 1: Appendix 1 to 6 for the following situations (1) Appendix 1 suitable?