jis-g4801（弹簧钢SUP）.pdf

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jis-g4801（弹簧钢SUP）.pdf

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jis-g4801（弹簧钢SUP）

G 4801 2005 14 12 1 JISF JIS G 4801:1984 ISO 683-14:2004Heat-treatable steels, alloy steels and free-cutting steels - Part 14: Hot rolled steels for quenched and tempered springs JIS G 4801 JIS 1 G 4801 2005 ························································································································································································1 1. ·········································································································································································1 2. ·········································································································································································1 3. ····································································································································································2 4. ·········································································································································································2 5. ······································································································