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65 WMo 34 8

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Germany DIN 65WMo348 High-temperature Steels for Springs; Quality Properties and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 65WMo348 / 65 WMo 34 8
Category Grade Standard Region/Area Standard Content
Metals 65 WMo 34 8 DIN 17225 Germany High-temperature Steels for Springs; Quality Properties

Chemical composition(mass fraction)(wt.%) of the 65 WMo 34 8

Element Min Max Similar
W 8.0000 9.0000 -
V 0.6000 0.8000 -
Si - 0.3000 -
Mo 0.8000 0.9000 -
Mn - 0.3000 -
Cr 3.5000 4.0000 -
C 0.6300 0.6800 -

Mechanical Properties of steel grade 65 WMo 34 8

Yield
Rp0.2 (MPa)		 Tensile
Rm (MPa)		 Impact
KV/Ku (J)		 Elongation
A (%)		 Reduction in cross section on fracture
Z (%)		 As-Heat-Treated Condition Brinell hardness (HBW)
573 (≥) 848 (≥) 41 21 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 132

Physical Properties of steel grade 65 WMo 34 8

Temperature
(°C)		 Modulus of elasticity
(GPa)		 Mean coefficient of thermal expansion 10-6/(°C) between 20(°C) and Thermal conductivity
(W/m·°C)		 Specific thermal capacity
(J/kg·°C)		 Specific electrical resistivity
(Ω mm²/m)		 Density
(kg/dm³)		 Poisson’s coefficient, ν
23 - -     0.34 -  
677 855 - 22.3 313   -  
976 - 33 31.2   223 323

Heat Treatment of steel grade 65 WMo 34 8

Heat treated : 1929°C - 1326°C

Technological Curves of steel grade 65 WMo 34 8

Cross Reference Table (Equivalent Grade) of 65 WMo 34 8

Grade Standard Country Application
ASTM 5140
AISI 201
AISI 202
1.2767
17-4PH
AISI 1052
AISI 416Se
AISI 1330
AISI 205 Stainless Steel
AISI A10
AISI A2
AISI A3
AISI A4
1.0036
1.0037
SAE J403
UNS G10100
AMS 4924
ASTM A36
Electrode 100S-1
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