1.2379 Tool Die Steels to DIN 17350 (1980)

1.2379 - Specification & Application

  • DIN 17350 (1980) - Tool Steels; Technical Conditions of Delivery

Tool Steels; Technical Conditions of Delivery

Chemical composition(wt.%) of 1.2379 grade: to DIN 17350 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 1.50 1.60
Si 0.10 0.40
Mn 0.15 0.45
P - 0.030
S - 0.030
Cr 11.00 12.00
Mo 0.60 0.80
V 0.90 1.10

1.2379 - Detail

Tool Steels; Technical Conditions of Delivery

Mechanical properties of grade 1.2379 DIN 17350 (1980)

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)
824 (≥) 221 (≥) 22 24 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 424

Physical properties of grade 1.2379 DIN 17350 (1980)

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
476 (≥) 664 (≥) 22 32 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 322
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
981 147 263
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