GB/T 3879-1983
Replaced
GB/T 42275-2022
Active
National standards
GB/T 42275-2022 Hardmetals—Determination of total carbon content—High frequency combustion infrared absorption or thermal conductivity method
GB/T 42275-2022 Hardmetals—Determination of total carbon content—High frequency combustion infrared absorption or thermal conductivity method
Basic Information
Standard Code:
GB/T 42275-2022
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
Analytical methods for powder metallurgy
ICS Name:
Powder metallurgy
Publish Date:
2022-12-30
Implement Date:
2023-04-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国有色金属标准化技术委员会(SAC/TC 243)
Pages:
6 pages
Scope
本文件描述了硬质合金原料所用难熔金属碳化物和硬质合金总碳量的测定方法。
本文件适用于钨、钽、铌、铬、钒、钛等难熔金属的碳化物及复式碳化物，碳化物与黏结金属组成的混合料（无成型剂)以及由这些混合料生产的预烧结或烧结过的硬质合金中的总碳量的测定，测定范围（质量分数)为4.00%～20.00%。
Development Information
Drafting Units:
崇义章源钨业股份有限公司、广东省科学院工业分析检测中心、南昌硬质合金有限责任公司、深圳市注成科技股份有限公司、国标(北京)检验认证有限公司、中南大学、江苏威拉里新材料科技有限公司、广西壮族自治区分析测试研究中心
Drafting Persons:
钟志强、徐国钻、陈邦明、杨诚辉、庄艾春、陈晓东、张方、吴爱华、张越、周永贵、王长华、贾国斌、付鹏飞、郑灵芝、曾洁、蒋保林、唐跃跃、黄殿贵、黄一帆
Related Standards
GB/T 4309-1984
Replaced
GB/T 4309-1984 Classification and designation for powder metallurgy materials
GB/T 5124.1-1985
Replaced
GB/T 5124.1-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of total carbon content
GB/T 5124.2-1985
Replaced
GB/T 5124.2-1985 Methods for chemical analysis of hardmetals—The gravimetric method for the determination of free(insoluble) carbon content
GB/T 5124.3-1985
Replaced
GB/T 5124.3-1985 Methods for chemical analysis of hardmetals—The potentiometric method for the determination of cobalt content
GB/T 5124.4-1985
Replaced