标准编号：ISO 4992-1:2020
中文名称：钢铸件 超声波检验 第1部分：通用钢铸件
英文名称：Steel castings — Ultrasonic testing — Part 1: Steel castings for general purposes
发布日期：2020-03
标准范围
This document specifies the requirements for the ultrasonic testing of steel castings (with ferritic structure) for general purposes, and the methods for determining internal discontinuities by the pulse- echo technique.
This document applies to the ultrasonic testing of steel castings which have usually received a grain- refining heat treatment and which have wall thicknesses up to and including 600 mm. For greater wall thicknesses, special agreements apply with respect to the test procedure and the acceptance levels. This document does not apply to austenitic steels and to joint welds.
标准预览图
立即下载标准文件