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Chinese Standard: GB/T 1149.3-2010

Internal combustion engines—Piston rings—Part 3:Material specifications

IDT  ISO 6621-3:2000

全国内燃机标准化技术委员会(SAC/TC 177)

GB/T 1149的本部分按机械性能和材料许用应力对活塞环用的材料进行了分类。
本部分适用于气缸直径小于或等于200 mm的往复活塞式内燃机活塞环。在类似条件下工作的压缩机活塞环也可参照使用。

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