| 牌號 | 20Mn5 | 
|---|---|
| 歐標(biāo)鋼號 | 1.1133 | 
| 對應(yīng)標(biāo)準(zhǔn) | 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 | 碳鋼 | 
| 性能 | 淬透性 | 
| 標(biāo)簽 | 調(diào)質(zhì)型鋼 | 
| 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 20Mn5 1.1133 +N d≤60 27 31 47 55 55 60<d≤150 40 55 55 
 
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        交付條件下在高溫下的最小屈服強度Material designation Heat treatment condition Diameter d mm Minimum 0.2%-proof strength Rp0.2 in MPa at a temperature (in°C) of: Name Number 50 100 150 200 250 300 350 400 450 500 550 600 650 20Mn5 1.1133 +N d≤60 306 283 260 237 213 192 182 173 60<d≤150 304 278 251 229 213 192 182 173 
 
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        符合本歐洲標(biāo)準(zhǔn)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 20Mn5 1.1133 +N 880 to 920 a 
 
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