gb228金属材料室稳拉伸试验方法.pdf

ics77.040.10 H 22 噶黯 中 华 人 民 共 和 国 国 家 标 准 GB/T228-2002 eqvISO6892:1998 金属材料 室温拉伸试验方法 Metallicmaterials-Tensiletestingatambienttemperature 2002一03一10发布 2002一O7一01实施 中 华 人 民 共 和 国 发 布 国家质量监督检验检疫总局 二、 一嘴 cs/T228-2002 目 前言 ···············。··························……... ... ... . .. ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... ... … … ， ISO前言 ... ... ... ... ... ... ... ... ... ... ... … … ... ... . .. ... ... ... ... ... ... ... .… … 0. ... ... ... ... ... ... ... . .. … … V I 1 范圈 。，。。。。.。。… … ，。。。。。。。。.二‘…‘ “… 。。。。..… … “.… ，.。。。。二‘，二 “.“.… ，… ，二，二“… ，二，… … 1 2 引用标准 1 3 原理 1 4 定义 1 5 符号和说明 ··············································。·······················。···············。···············…… 5 6 试样 ···············································································································…… 6 7 原始横截面积(So)的侧定 ·”·······，···········································································。…7 8 原始标距(L,)的标记 ·······“·······································”·······························。·····……’‘‘7 9 试验设备的准确度 ··········”·································································。···············…… 7 10 试验要求 ···············“·····························································。···········。··············…… 8 11 断后伸长率(A)和断裂总伸长率(A,)的侧定 ··············································