Standard No.:	GB/T 31943-2015
English Name:	Continuously cold rolled steel strips for precision welded tubes
Chinese Name:	精密焊接钢管用冷连轧钢带
Chinese Classification:	H46    Steel sheet and strip
Professional Classification:	GB    National Standard
ICS Classification:	77.140.50 77.140.50    Flat steel products and semi-products 77.140.50
Issued by:	AQSIQ; SAC
Issued on:	2015-09-11
Implemented on:	2016-6-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	5500 words
Price(USD):	110.00
Delivery:	via email in 1~3 business day

本标准规定了精密焊接钢管用冷连轧钢带的牌号及用途、订货内容、尺寸、外形、重量及允许偏差、技术要求、试验方法、检验规则、包装、标志及质量证明书。
本标准适用于厚度为0.25mm~1.30mm 的冷连轧钢带,主要用于制冷、汽车、电热电器等工业中
冷凝器、蒸发器、燃料管、润滑油管、电热管、冷却器管等单层和双层精密焊接钢管。