| 牌號 | X12Ni 5 | 
|---|---|
| 歐標鋼號 | 1.5680 | 
| 對應標準 | EN  10269-2013 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金 Steels and nickel alloys for fasteners with specified elevated and/or low temperature properties | 
| 歸類 | 合金鋼 | 
| 標簽 | 調(diào)質(zhì)型鋼 鎳合金鋼 | 
| 密度 | 7.85 g/cm3 | 
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        在交付條件下的最小沖擊吸收能量(縱向)Material designation Heat treatment condition Diameter d mm Minimum impact energy KV2inJ(ISO-V test piece) at a test temperature in°C of: Name Number -270 -196 -160 -140 -120 -110 -100 -90 -80 -70 -60 -50 -40 -20 0 +20 X12Ni5 1.5680 (+N),+NT d≤40 - - - - 40 45 50 55 60 60 65 65 65 70 70 70 40<d≤75 - - - - - - - 50 55 60 60 65 65 65 70 
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        符合本歐洲標準的產(chǎn)品熱處理指南Material designation Heat-treatment symbol Normalizing,quenching or solution annealing temperature °C Type of cooling Tempering or precipitation treatment (and time) °C Name Number X12Ni5 1.5680 +N 800 to 850 a - +QT 800 to 850 a 580 to 660 
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