行业标准：JB-T5000.14-1998 重型机械通用技术条件 铸钢件无损探伤.pdf

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1、ICS19.100J04JB/T5000.14－1998重型机械通用技术条件铸钢件无损探伤TheheavymechanicalgeneraltechniquesandstandardsNon-destructivetestingofsteelcasting1998-09-30发布1998-12-01实施国家机械工业局发布JB/T5000.14－1998目次前言1范围·············································································

2、·······································································································································12引用标准························································································································

3、·················································································13应用要求··············································································································································································

4、···························14超声波探伤及其质量等级·····································································································································································25射线透照探伤及其质量等级··········································

5、·····················································································································66磁粉探伤及其质量等级····································································································································

6、····································147渗透探伤及其质量等级········································································································································································19附录A（标准的附录）铸钢件的横波检验························

7、···········································································································25附录B（标准的附录）确定射线源到工件最小距离(f)的方法·······················································································27附录C（提示的附录）点状缺陷评级示意图················

8、··············································································································29IJB/T5000.14－1998前言本标准的附录A、附录B都是标准的附录。本标准的附录C是提示的附录。本标准由机械工业部