Standard No.:	GB 11379-1989
English Name:	Metallic coatings-Electroplated coatings of chromium for engineering purposes
Chinese Name:	金属覆盖层 工程用铬电镀层
Chinese Classification:	A29    Material Protection
Professional Classification:	GB    National Standard
ICS Classification:	25.220.40 25.220.40    Metallic coatings 25.220.40
Issued by:	CSBTS
Issued on:	1989-04-22
Implemented on:	1990-1-1
Status:	abolished
Superseded by:	GB/T 11379-2008 Metallic coatings—Electroplated coatings of chromium for engineering purposes
Superseded on:	2009-1-1
Abolished on:	2009-01-01
Language:	English
File Format:	PDF
Word Count:	4500 words
Price(USD):	135.00
Delivery:	via email in 1~3 business day

本标准规定了工程用铬电镀层的表示方法、加工定货时需方应向供方提供的资料、工件镀前镀后的热处理工艺规范、镀层质量要求、试验方法等。本标准适用于黑色金属或有色金属基体上带底镀层或不带底镀层的工程用铬电镀层。工程用铬电镀层常被称为“厚铬”或“硬铬”层。本标准不包括用于防护装饰性目的的薄铬面层。工程用铬的应用实例及有关说明见附录A。