标准名称：	工程机械用柴油机 技术条件
中标分类：	机械 >> 活塞式内燃机与其他动力设备 >> 内燃机与附属装置
替代情况：	被JB/T 4198.1-2001代替
发布日期：
实施日期：	1999-04-05
首发日期：
作废日期：	2001-10-01
出版日期：

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Product Code:SAE AMS4978
Title:Titanium Alloy, Bars, Wire, Forgings and Rings, 6al 6v 2sn, Annealed
Issuing Committee:Ams G Titanium And Refractory Metals Committee
Scope:This specification covers a titanium alloy in the form of bars, wire, forgings, flash welded rings, and stock for forging or flash welded rings. Primarily for parts that do not require heat treatment but require high mechanical properties in the annealed condition. This alloy exhibits a high strength-to-weight ratios up to 750 degrees F (399 degrees C). Certain processing procedures and service conditions may cause these products to become subject to stress-corrosion cracking. ARP 982 recommends practices to minimize such conditions.