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【英文标准名称】: Steel castings - Ultrasonic examination - Part 1: Steel castings for general purposes 【原文标准名称】: 钢铸件.超声波检验.第1部分:通用钢铸件 【标准号】: ISO 4992-1-2006 【标准状态】: 现行 【国别】: 国际 【发布日期】: 2006-02 【实施或试行日期】: 【发布单位】: 国际标准化组织(IX-ISO)【起草单位】: ISO/TC 17【标准类型】: ()【标准水平】: ()【中文主题词】: 铸钢;铸件;缺陷;失误误差;定义;测定;评定;膨胀;精整;铸造(学);铸造生产;检验;材料;无损检验;脉冲回波;规范(验收);规范;钢;表面不连续性;表面;试验;试验条件;超声检验;壁厚【英文主题词】: Cast steels;Castings;Defects;Defects tolerances;Definitions;Determination;Evaluations;Expansion;Finishes;Foundries;Foundry practice;Inspection;Materials;Non-destructive testing ulse replies;Specification (approval);Specifications;Steels;Surface discontinuities;Surfaces;Testing;Testing conditions;Ultrasonic testing;Wall thicknesses【摘要】: This part of ISO 4992 specifies the requirements for the ultrasonic examination of steel castings (with ferriticstructure) for general purposes, and the methods for determining internal discontinuities by the pulse-echotechnique.This part of ISO 4992 applies to the ultrasonic examination of steel castings which have usually received agrain-refining heat treatment and which have wall thicknesses up to and including 600 mm. For greater wallthicknesses, special agreements apply with respect to the test procedure and recording levels.This part of ISO 4992 does not apply to austenitic steels and joint welds.【中国标准分类号】: J31【国际标准分类号】: 77_040_20;77_140_80【页数】: 30P;A4【正文语种】: 英语
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