1.2550 Tool Die Steels to DIN 17350 (1980)

1.2550 - Specification & Application

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

Tool Steels; Technical Conditions of Delivery

Chemical composition(wt.%) of 1.2550 grade: to DIN 17350 (1980)

Elements Min.(≥) Max.(≤) Similar Remarks
C 0.55 0.65
Si 0.50 0.70
Mn 0.15 0.45
P - 0.030
S - 0.030
Cr 0.90 1.20
Mo - -
V 0.10 0.20
W 1.80 2.10

1.2550 - Detail

Tool Steels; Technical Conditions of Delivery

Mechanical properties of grade 1.2550 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)
875 (≥) 582 (≥) 34 22 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 443

Physical properties of grade 1.2550 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
426 (≥) 767 (≥) 33 31 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 132
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
565 817 631

Equivalent Grade

Equivalent Products

We can customize the production of 1.2550 grade, contact us for the best solution.
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