Standard No.:	YB/T 4273-2012
English Name:	Steel bars for nonmagnetic petroleum drilling tools
Chinese Name:	无磁石油钻具用钢棒
Chinese Classification:	H44    Profile steel and deformed steel
Professional Classification:	YB    Professional Standard - Metallurgy
ICS Classification:	77.140.60 77.140.60    Steel bars and rods 77.140.60
Issued by:	Ministry of Industry and Information Technology
Issued on:	2012-05-24
Implemented on:	2012-11-1
Status:	valid
Language:	English
File Format:	PDF
Word Count:	3500 words
Price(USD):	164.00
Delivery:	via email in 1~3 business day

本标准规定了无磁石油钻具用钢棒的订货内容、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、标志及质量证明书等。
本标准适用于直径或边长为100mm～300mm的无磁石油钻具用锻制钢棒和生产钻铤、加重钻杆等石油钻具产品用无磁钢棒。