140Cr2 Tool Die Steels

140Cr2 - Specification & Application

Low alloyed Cr steel

Chemical composition(wt.%) of 140Cr2 grade:

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.35 1.50
Si 0.15 0.30
Mn 0.25 0.40
P - 0.035
S - 0.035
Cr 0.40 0.70
Mo - -
V - -

140Cr2 - Detail

Low alloyed Cr steel

Mechanical properties of grade 140Cr2

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
793 (≥) 438 (≥) 31 31 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 144

Physical properties of grade 140Cr2

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
896 (≥) 312 (≥) 33 42 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 321
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
543 769 114

Equivalent Grade

Equivalent Products

We can customize the production of 140Cr2 grade, contact us for the best solution.
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