Standard No.:	GB/T 1786-1990
English Name:	Cheese forging―Method for ultrasonic inspection
Chinese Name:	锻制圆饼超声波检验方法
Chinese Classification:	H26    Metal nondestructive testing method
Professional Classification:	GB    National Standard
ICS Classification:	77.040.20 77.040.20    Non-destructive testing of metals 77.040.20
Issued by:	CSBTS
Issued on:	1990-05-04
Implemented on:	1991-1-1
Status:	abolished
Superseded by:	GB/T 1786-2008 Forging tortillas ultrasonic testing method
Superseded on:	2009-5-1
Abolished on:	2009-05-01
Superseding:	GB 1786-1979
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	100.00
Delivery:	via email in 1~3 business day

本标准规定了用平底孔对比试块，以超声浸水技术检验锻制圆饼方法的适用范围、检验人员、检验仪器和设备、对比试块、检验条件和步骤、缺陷的评定、检验报告等。本标准适用于制造转动的（如涡轮盘、压器机盘等）锻制高温合金和合金钢圆饼缺陷的超声波检验。其他用途圆饼的超声波检验经供需双方协商可参照使用。