| 牌號 | 42CrMo5-6 |
|---|---|
| 1.7233 | |
| 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 |
-
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 42CrMo5-6 1.7233 +QT d≤100 681 662 639 616 601 585 570 547 516 462 362 223 - +QT 100＜d≤150 625 605 584 563 549 535 521 500 472 422 331 204 -
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符合本歐洲標準的產(chǎn)品熱處理指南
Material designation Heat treatment
conditionNormalizing,quenching
or solution annealing
temperature
°CType of
cooling①Tempering or
precipitation
treatment (and time)
°CName Number 42CrMo5-6 1.7233 +QT 840 to 870 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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蠕變性能
Designation Temperature Strength for
1% (plastic)
creep strain ①Creep rupture
strength for ②Name Number °C 10000h 100000h 10000h 100000h 200000h 42CrMo5-6 1.7233 450 - - 495 410 381 460 - - 450 345 310 470 - - 399 276 242 480 - - 342 219 193 490 - - 281 177 158 500 - - 229 148 131 510 - - 190 124 109 520 - - 160 102 84 530 - - 137 - - 540 - - 118 - - 550 - - 98 - - ◎ 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 42CrMo5-6 1.7233 350 0.15 211 205 201 400 198 179 164 450 157 118 96 500 93 30 - ◎ 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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