| 牌號 | 40CrMoV4-6 |
|---|---|
| 1.7711 | |
| 對應(yīng)標準 | NF EN 10269-1999
用于高溫或低溫條件下的緊固件用鋼及鎳合金 Steels and Nickel Alloys for Fasteners with Specified Elevated and/or Low Temperature Properties |
| 歸類 | 合金鋼 |
| 標簽 | 淬火回火鋼 |
| 密度 | 7.85 g/cm3 |
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交付條件下在高溫下的最小屈服強度
Material designation Heat treatment
conditionDiameter
d
mmMinimum 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 40CrMoV4-6 1.7711 +QT d≤100 687 670 647 631 608 593 577 554 523 470 400 293 - +QT 100＜d≤160 631 612 591 577 556 542 528 507 479 429 366 268 -
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符合本歐洲標準的產(chǎn)品熱處理指南
Material designation Heat treatment
conditionDiameter
d
mmNormalizing,quenching
or solution annealing
temperature
°CType of
cooling①Tempering or
precipitation
treatment (and time)
°CName Number 40CrMoV4-6 1.7711 +QT d≤100 880 to 950 o 670 to 720 +QT 100＜d≤160 940 to 970 o 600 to 700 ◎ 根據(jù)原件相關(guān)規(guī)定，如果允許矯直后消除應(yīng)力，應(yīng)選擇消除應(yīng)力的溫度，以獲得規(guī)定的性能。 ① a=air; o=oil; w=water
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物理性能
各溫度°C時靜態(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 - - 11.1 12.1 12.9 13.5 13.9 14.1 33 460 n.a. n.a.: no values available
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蠕變性能
Designation Temperature Strength for
1% (plastic)
creep strain ①Creep rupture
strength for ②Name Number °C 10000h 100000h 10000h 100000h 200000h 40CrMoV4-6 1.7711 450 - - 513 463 446 460 - - 483 422 400 440 - - 451 374 347 450 - - 413 319 286 460 - - 371 259 229 470 - - 321 210 187 480 - - 269 174 155 490 - - 223 146 130 500 - - 187 122 103 540 - - 160 - - 550 - - 137 - - ◎ The values given in this table are the mean values of the scatter band so far obtained, which will be checked from time to time as further test results become available and if necessary corrected.
◎ * and () indicate values of extended stress extrapolation or time extrapolation, respectively.
① This is the stress relative to the initial cross- section leadina to a permanent elongation of 1 % after 10000 h and 100000 h.
② This is the stress relative to the initial cross- section leading to fracture after 10000 h, 100000 h and 200000 h.
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松弛性能
Material designation Temperature
℃for an
initial strain
∈A total
%Residual stress in N/mm2
after stressing duration forName Number 1000 h 10000 h 30000 h 40CrMoV4-6 1.7711 400 0.15 234 215 192 450 188 157 141 500 136 83 47 ◎ The values given in this table are the mean values of the scatter band so far obtained, which will be checked from time to time as further test results become available and if necessary corrected.
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