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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
歸類 合金鋼
標簽 淬火回火鋼
42CrMo5-6 化學(xué)元素成分含量(%)
成分 C Si Mn P S Cr Mo
最小值 0.39 - 0.4 - - 1.2 0.5
最大值 0.45 0.4 0.7 0.035 0.035 1.5 0.7
◎ 未經(jīng)買方同意薄啥,不得隨意向鋼中添加表中未列的元素,冶煉精加工除外臊啃。采用一切必要措施以防在廢鋼和生產(chǎn)原料中帶入這些元素谚剿,因為其會削弱鋼的機械性能缝驳,降低鋼的適用性
42CrMo5-6 機械性能
直徑
d
mm
熱處理或狀態(tài)
抗拉強度
σb
Mpa
屈服點
σs
Mpa
斷后伸長率或延伸率
δ
%
斷面收縮率
ψ
%
硬度
HBW
沖擊吸收能量
KV2
J
-* +S - - - - ≤255 -
-* +A - - - - ≤241 -
d≤100** +QT 860~1060 ≥700 ≥16 ≥50 - ≥50
100<d≤150** +QT 850~1000 ≥640 ≥16 ≥50 - ≥40
◎ +AT=固溶退火;+C=冷作硬化归苍;+N=正火用狱;+NT=正火及回火;+P=沉淀硬化拼弃;+QT=淬火及回火夏伊;WW=熱作硬化摇展;+AC=球化退火;+A=軟化退火溺忧;+S=冷剪處理(treated for cold shearing)
*通常適用于進一步加工交貨條件下的常溫機械性能
**鋼在室溫和20攝氏度交貨條件下的機械性能咏连,符合97/23/EC的基本安全要求

  • 交付條件下在高溫下的最小屈服強度

    Material designationHeat treatment
    condition
    Diameter
    d
    mm
    Minimum 0.2%-proof strength Rp0.2 in MPa at a temperature (in°C) of:
    Name Number50100150200250300350400450500550600650
    42CrMo5-61.7233+QTd≤100681662639616601585570547516462362223-
    +QT100<d≤150625605584563549535521500472422331204-


  • 符合本歐洲標準的產(chǎn)品熱處理指南

    Material designationHeat treatment
    condition
    Normalizing,quenching
    or solution annealing
    temperature
    °C
    Type of
    cooling
    Tempering or
    precipitation
    treatment (and time)
    °C
    Name Number
    42CrMo5-61.7233+QT840 to 870o600 to 700
    ◎ 根據(jù)原件相關(guān)規(guī)定,如果允許矯直后消除應(yīng)力鲁森,應(yīng)選擇消除應(yīng)力的溫度捻勉,以獲得規(guī)定的性能。
    ① a=air; o=oil; w=water


  • 蠕變性能

    DesignationTemperatureStrength for
    1% (plastic)
    creep strain ①
    Creep rupture
    strength for ②
    Name Number°C10000h100000h10000h100000h200000h
    42CrMo5-61.7233450--495410381
    460--450345310
    470--399276242
    480--342219193
    490--281177158
    500--229148131
    510--190124109
    520--16010284
    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.


  • 松弛性能

    Material designationTemperature

    for an
    initial strain
    A total
    %
    Residual stress in N/mm2
    after stressing duration for
    Name Number1000 h10000 h30000 h
    42CrMo5-61.72333500.15211205201
    400198179164
    45015711896
    5009330-
    ◎ 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.



42CrMo5-6 對應(yīng)不同標準
1 EN 10269-2006 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
2 EN 10269-2013 規(guī)定高溫和/或低溫性能的緊固件用鋼和鎳合金
3 NF EN 10269-1999 用于高溫或低溫條件下的緊固件用鋼及鎳合金
4 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
注:數(shù)據(jù)僅供參考刀森!如有疑問踱启,請?zhí)顚?我要糾錯"!
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