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Description

1.2581 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2581

Chemical composition(mass fraction)(wt.%) of the 1.2581

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.25-0.35  0.15-0.40  0.15-0.45  0.030  0.020  2.50-3.20      V   0.30-0.50
W   8.50-9.50

Mechanical Properties of steel grade 1.2581

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)
398 (≥) 736 (≥) 33 13 21 Solution and Aging, Annealing, Ausaging, Q+T,etc 423

Physical Properties of steel grade 1.2581

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
14 - -     0.41 -  
997 572 - 34.3 111   -  
638 - 23 24.2   414 324

Heat Treatment of steel grade 1.2581

Heat treated : 1674°C - 1522°C

Technological Curves of steel grade 1.2581

Cross Reference Table (Equivalent Grade) of 1.2581

Grade Standard Country Application
1.2581 DIN Germany Hot working alloy tool steel

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