牌號(hào) | 42CrMo4 |
德國(guó)W-Nr. | 1.7225 |
對(duì)應(yīng)標(biāo)準(zhǔn) | DIN EN 10269-2014
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(lèi) | 合金鋼 |
性能 | 強(qiáng)度 |
標(biāo)簽 | 調(diào)質(zhì)型鋼 Cr-Mo合金結(jié)構(gòu)鋼 |
說(shuō)明 | —本歐洲標(biāo)準(zhǔn)規(guī)定了非合金和合金(包括不銹鋼)鋼和鎳合金制成的在高溫和/或低溫下具有指定性能的緊固件的半成品扎瓶、棒材的要求。 —本標(biāo)準(zhǔn)的要求也適用于成品緊固件 —EN 10021中的一般交貨技術(shù)條件也適用于按照本標(biāo)準(zhǔn)提供的產(chǎn)品友酱。 |
密度 | 7.85 g/cm3 |
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 | ||
42CrMo4 | 1.7225 | +QT | d≤60 | 720 | 702 | 677 | 640 | 602 | 562 | 518 | 475 | 420 | 375 |
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 | ||
42CrMo4 | 1.7225 | +QT | d≤60 | 27 | 40 | 50 |
Material designation | Heat-treatment symbol | Normalizing,quenching or solution annealing temperature °C | Type of cooling | Tempering or precipitation treatment (and time) °C | |
Name | Number | ||||
42CrMo4 | 1.7225 | +QT | 820 to 860 | o,w | 670 to 720 |
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