牌號(hào) | 21CrMoV5-7 |
德國(guó)W-Nr. | 1.7709 |
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 | 合金鋼 |
性能 | 淬透性 |
標(biāo)簽 | 調(diào)質(zhì)型鋼 |
說明 | —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涮舔、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)品折晦。 |
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 | ||
21CrMoV5-7 | 1.7709 | +QT | d≤160 | 542 | 530 | 515 | 500 | 480 | 460 | 435 | 410 | 380 | 350 |
Material designation | Heat-treatment symbol | Normalizing,quenching or solution annealing temperature °C | Type of cooling | Tempering or precipitation treatment (and time) °C | |
Name | Number | ||||
21CrMoV5-7 | 1.7709 | +QT | 880 to 950 | a,o,w | 680 to 720(min.2h) |
Material designation | Temperature °C | Strength for 1% (plastic)creep strain | Creep rupture strength for | ||||
Name | Number | 10000h MPa | 100000h MPa | 10000h MPa | 100000h MPa | 200000h MPa | |
21CrMoV5-7 | 1.7709 | 420 | 429 | 365 | 466 | 399 | 379 |
430 | 407 | 340 | 443 | 375 | 353 | ||
440 | 385 | 315 | 420 | 350 | 328 | ||
450 | 363 | 288 | 396 | 325 | 303 | ||
460 | 339 | 262 | 373 | 300 | 277 | ||
470 | 314 | 235 | 349 | 274 | 252 | ||
480 | 289 | 208 | 325 | 249 | 226 | ||
490 | 263 | 182 | 301 | 224 | 201 | ||
500 | 238 | 156 | 277 | 199 | 176 | ||
510 | 212 | 132 | 253 | 174 | 151 | ||
520 | 186 | 109 | 228 | 150 | 127 | ||
530 | 161 | 89 | 204 | 126 | 104 | ||
540 | 138 | 71 | 180 | 103 | 82 | ||
550 | 116 | 56 | 157 | 82 | 62 |
各溫度°C時(shí)靜態(tài)彈性模量 | 20°C與各溫度間熱膨脹系數(shù) | 熱導(dǎo)率 | 比熱容 | 電阻率 | |||||||||||||
20 | 100 | 200 | 300 | 400 | 500 | 600 | 700 | 800 | 100°C | 200°C | 300°C | 400°C | 500°C | 600°C | 20°C | 20°C | 20°C |
GPa | 10-6 K-1 | W/m.K | J/kg.K | Ω.mm2/m | |||||||||||||
211 | 204 | 196 | 186 | 177 | 164 | 127 | 210 | - | 11.1 | 12.1 | 12.9 | 13.5 | 13.9 | 14.1 | 33 | 460 | - |