GB/T 1423-1996
Active
GB/T 1839-2025
Active
National standards
GB/T 1839-2025 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
GB/T 1839-2025 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
Basic Information
Standard Code:
GB/T 1839-2025
Standard Type:
National standards
Standard Status:
Active
is_force_gb:
no
CCS Name:
\nTest methods for the physical properties of metals
ICS Name:
Other testing methods for metal materials
Publish Date:
2025-08-29
Implement Date:
2026-03-01
Publisher:
国家市场监督管理总局、国家标准化管理委员会
Technical Committee:
全国钢标准化技术委员会(SAC/TC 183)
Pages:
16 pages
Scope
本文件规定了钢产品单位面积上镀锌层质量试验方法的原理、试验溶液、试样、试验方法的选择、试验步骤和结果计算、再现性及试验报告。
本文件适用于纯锌镀层、锌铁合金镀层、锌镁合金镀层、锌铝镁合金镀层、铝锌合金镀层以及铝锌镁合金镀层等镀层产品。
铝硅合金镀层等其他镀层产品参照本文件执行。
Development Information
Drafting Units:
武汉钢铁有限公司、河钢股份有限公司唐山分公司、冶金工业信息标准研究院、河北中重冷轧材料有限公司
Drafting Persons:
向前、黄双、周文、王玉婕、刘宝石、王心、李兴华、马万利、沈杰、徐昊驰、张宏岭
Replace the following standards
Referenced Standards
Related Standards
GB/T 1424-1996
Active
GB/T 1424-1996 Method of measurement of resistivity of precious metals and their alloys
GB/T 1425-1996
Replaced
GB/T 1425-1996 Determination of melting temperature range for precious metals and their alloys—Testing method of thermal analysis
GB/T 17433-1998
Replaced
GB/T 17433-1998 Foundation terms for chemical analysis of metallurgical products
GB/T 4334.1-2000
Replaced
GB/T 4334.1-2000 Method of 10 per cent oxalic acid etch test for stainless steels
GB/T 4334.2-2000
Replaced