Standard No.:	GB/T 18658-2002
English Name:	Charpy V reference test pieces for verification of pendulum - Type impact testing machines
Chinese Name:	摆锤式冲击试验机检验用夏比V型缺口标准试样
Chinese Classification:	N71    Metal material testing machine
Professional Classification:	GB    National Standard
ICS Classification:	77.040.10 77.040.10    Mechanical testing of metals 77.040.10
Issued by:	AQSIQ
Issued on:	2002-2-22
Implemented on:	2002-8-1
Status:	superseded
Superseded by:	GB/T 18658-2018 Charpy V-notch reference test pieces for indirect verification of pendulum impact testing machines
Superseded on:	2019-2-1
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.00
Delivery:	via email in 1~3 business day

本标准规定了按GB/T 3808对摆锤式冲击试验机进行间接检验所用标准试样的技术要求、制备和鉴定方法，同时也包括标准试样的检定证书。本标准描述的缺口试样以及标称尺寸与GB/T 229一致，但公差较严。试样预期的能量级不同，其化学成分和（或）热处理是不同的。鉴定标准试样用的摆锤式冲击试验机的要求也在本标准中予以描述。