Standard No.:	JB/T 7945-1999
English Name:	Methods for testing the mechanical properties of grey cast iron
Chinese Name:	灰铸铁机械性能试验方法
Chinese Classification:	J31    Casting
Professional Classification:	JB    Professional Standard - Machinery
Issued by:	National Technical Subcommittee on Casting Standards
Issued on:	1999-6-24
Implemented on:	2000-6-24
Status:	superseded
Superseded by:	JB/T 7945.1-2018 Methods for testing the mechanical properties of grey cast iron-Part 1:Tensile testing JB/T 7945.2-2018 Methods for testing the mechanical properties of grey cast iron-Part 2: Bend testing
Superseded on:	2018-12-1
Superseding:	JB/T 7945-1995 GB 977-1984 Methods for testing the mechanical properties of grey cast iron
Language:	English
File Format:	PDF
Word Count:	5000 words
Price(USD):	150.0
Delivery:	via email in 1~3 business day

JB/T 7945-1999 本标准是对 JB/T 7945-95《灰铸铁机械性能试验方法》的修订，修订时仅按有关规定作了编辑性修改，技术内容没有改变。 本标准规定了灰铸铁的抗拉强度、抗弯强度、挠度、抗压强度、压缩率等力学性能的试验方法。 本标准适用于在常温静力条件下，测定灰铸铁的力学性能。 本标准于 1984 年以 GB 977-84 首次发布，于 1996年 4 月调整为 JB/T 7945-95。