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Description

1.3257 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.3257

Chemical composition(mass fraction)(wt.%) of the 1.3257

 

 

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
0.60-0.70 0.45   0.40  0.030  0.030  3.80-4.50    0.50-1.00  W 17.5-18.5  V  1.40-1.70
Co 15.0-16.0

Mechanical Properties of steel grade 1.3257

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)
589 (≥) 446 (≥) 34 23 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

Physical Properties of steel grade 1.3257

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
11 - -     0.33 -  
159 439 - 42.3 121   -  
471 - 33 33.2   212 221

Heat Treatment of steel grade 1.3257

Heat treated : 1178°C - 1834°C

Technological Curves of steel grade 1.3257

Cross Reference Table (Equivalent Grade) of 1.3257

Grade Standard Country Application
1.3257 DIN Germany High-speed tool steel

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