全球鋼材百科網(wǎng)
42CrMo5-6簡介

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，不得隨意向鋼中添加表中未列的元素，冶煉精加工除外。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，因為其會削弱鋼的機械性能，降低鋼的適用性 碳當量計算
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；+N=正火；+NT=正火及回火；+P=沉淀硬化；+QT=淬火及回火；WW=熱作硬化；+AC=球化退火；+A=軟化退火；+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，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
    cooling①    		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，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


  • 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.



全球鋼材百科網(wǎng)