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(上接 2 0 0 2年第 4期 )附录 4 钢管管节点焊缝的超声波探伤方法1 适用范围本附录规定了探伤面的曲率半径大于或等于1 5 0 mm而小于 1 5 0 0 mm、且壁厚与外径之比小于或等于 1 3%的钢管管节点焊缝的超声波探伤方法。2 术语本附录所采用的术语定义如下 (参见附录 4图1 )。(
(上上 2002 年 4 期) Appendix 4 steel pipe joints weld ultrasonic testing methods 1 Scope This appendix specifies the radius of curvature of the testing surface is greater than or equal to 150mm and less than 1500mm, And the ratio of the wall thickness to the outer diameter is less than or equal to 13% of the ultrasonic testing method of steel pipe joints. 2 Terms The terms used in this appendix are defined as follows (see Annex 4, Figure 1). (