牌號(hào) | 20Mn5 |
---|---|
歐標(biāo)鋼號(hào) | 1.1133 |
對(duì)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(qiáng)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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