Standard No.:	GB/T 2973-2004
English Name:	Zinc coated steel wire test method for gravimetric determination of zine coating
Chinese Name:	镀锌钢丝锌层质量试验方法
Chinese Classification:	H25    Metal chemical property test method
Professional Classification:	GB    National Standard
ICS Classification:	25.220.40 25.220.40    Metallic coatings 25.220.40
Issued by:	AQSIQ; SAC
Issued on:	2004-07-01
Implemented on:	2004-7-1
Status:	superseded
Superseded by:	GB/T 1839-2008 Test method for gravimetric determination of the mass per unit area of galvanized coatings on steel products
Superseded on:	2008-12-1
Superseding:	GB/T 2973-1991 Zinc-coated steel wire―Test method for weight of zinc coating
Language:	English
File Format:	PDF
Word Count:	2500 words
Price(USD):	75.00
Delivery:	via email in 1~3 business day

本标准规定了镀锌钢丝层质量试验方法（重量法和气体法）的原理、试样、试验装置、试验溶液、试验条件和步骤及试验结果计算等。本标准所述镀锌层包括纯锌层和锌合金层。本标准的重量法和气体法均适用于测定镀锌钢丝锌层质量，但仲裁试验时应用重量法。本标准的重量法适用于热镀锌钢丝，也适用于电镀锌钢丝。气体法适用于电镀锌钢丝，热镀锌钢丝也可参照使用。