GB/T 1954-1980
Replaced
GB/T 27552-2021
Active
National standards
GB/T 27552-2021 Destructive tests on welds in metallic materials—Microhardness testing of welded joints
GB/T 27552-2021 Destructive tests on welds in metallic materials—Microhardness testing of welded joints
Basic Information
Standard Code:
GB/T 27552-2021
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Welding and cutting
ICS Name:
\nWelding joints
Publish Date:
2021-10-11
Implement Date:
2022-05-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国焊接标准化技术委员会(SAC/TC 55)
Pages:
11 pages
Scope
本文件规定了依据GB/T 4340.1进行焊接接头显微硬度试验[试验力范围通常为0.98 N~<49.03 N(HV 0.1~
注:硬度试验确保能测出焊缝金属和两侧母材(异种材料时)的最高硬度和最低硬度。
本文件不适用于GB/T 2654规定的试验力大于或等于49.03 N的硬度试验。
本文件不适用于GB/T 39082规定的电阻点焊、凸焊及缝焊接头的维氏硬度试验。
本文件不适用于激光和电子束等窄焊缝接头试样的硬度试验,其硬度试验依据GB/T 35085进行。
Development Information
Drafting Units:
上海材料研究所、哈尔滨焊接研究院有限公司、上海中远川崎重工钢结构有限公司、采埃孚亚太集团有限公司
Drafting Persons:
翟莲娜、安洪亮、王滨、金静静、陈默、刘绪明、王春亮、沙菲、陆慧、苏金花
Replace the following standards
Referenced Standards
Adopt standards
ISO 9015-2:2016
Related Standards
GB/T 4675.1-1984
Abolished
GB/T 4675.1-1984 Weld ability testing Method of Y-groove cracking test
GB/T 4675.2-1984
Abolished
GB/T 4675.2-1984 Weld ability testing Method of controlled thermal severity cracking test
GB/T 4675.3-1984
Abolished
GB/T 4675.3-1984 Weld ability testing Method of cracking test for welded tee joint
GB/T 4675.4-1984
Abolished
GB/T 4675.4-1984 Weld ability testing Method of FISCO cracking test
GB/T 4675.5-1984
Abolished