标准简介
This part of GB/T 37400 specifies the nondestructive testing methods of steel castings used for heavy machinery (including the ultrasonic testing,radiographic testing,penetrant testing and magnetic particle testing),as well as the general requirements and the quality classifications of relevant testings. This part is applicable to: —Type A pulse echo method of ultrasonic testing used for alloyed and non?alloyed ferrite steel castings with wall thickness ≤600 mm which have been heat treated.If there are no other standards for steel castings with wall thickness ＞600 mm,this Specification may be used as reference. —The radiographic testing of steel castings with the thickness ≥5 mm. —The magnetic particle testing for the defects on the surface and near the surface of the ferromagnetic steel castings. —The penetrant testing for open defects on the surface of steel castings. —The magnetic particle testing and the penetrant testing for defects of the remov英文名称：Heavy mechanical general technical specification—Part 14:Nondestructive test of steel castings
标准状态：现行
中标分类：机械>>机械综合>>J04基础标准与通用方法
ICS分类：25.010
发布部门：State Admi.
发布日期：2019-08-30
实施日期：2020-03-01
出版日期：2021-04-01
页数：76页
前言
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