Standard No.:	JB/T 5000.8-1998
English Name:	The heavy mechanical general techniques and STANDARDs Forging
Chinese Name:	重型机械通用技术条件 锻件
Chinese Classification:	H90    Metallurgical machinery in general
Professional Classification:	JB    Professional Standard - Machinery
ICS Classification:	77.140.85 77.140.85    Iron and steel forgings 77.140.85
Issued by:	Deyang Heavy Forging & Casting Research Institute
Issued on:	1998-09-30
Implemented on:	1998-12-1
Status:	superseded
Superseded by:	JB/T 5000.8-2007 Heavy Mechanical General Techniques and Standards - Part 8: Forging
Superseded on:	2008-2-1
Superseding:	JB/ZQ 4000.7-1986
Language:	English
File Format:	PDF
Word Count:	4000 words
Price(USD):	120.00
Delivery:	via email in 1~3 business day

JB/T 5000.8-1998 本标准规定了一般用途大型锻件的技术要求，检验规则，试验方法，质量合格证书及标志等。 本标准适用于水压机和锻锤自由锻造的碳素钢和合金结构钢大型锻件的订货、制造与检验。 （注： 本标准以 JB/ZQ 4000.7-86《锻件通用技术条件》为基础进行修订的。 化学成分分析的取样方法和成品分析允许偏差等效地采用了 ASTM A788 和 JIS G0321。力学性能取样等效采用了 DIN I7200的规定。）