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EU EN 1.3257 高合金钴高速钢 and Mechanical Properties, Chemical Element, Cross Reference.

Datasheet for: Metals: 1.3257 / 1.3257
Category Grade Standard Region/Area Standard Content
Metals 1.3257 -- EU 高合金钴高速钢

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

Element Min Max Similar
W 17.5000 18.5000 -
V 1.4000 1.7000 -
Si - 0.4500 -
S - 0.0300 -
P - 0.0300 -
Mo 0.5000 1.0000 -
Mn - 0.4000 -
Cr 3.8000 4.5000 -
Co 15.0000 16.0000 -
C 0.6000 0.7000 -

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)
476 (≥) 454 (≥) 33 11 13 Solution and Aging, Annealing, Ausaging, Q+T,etc 141

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
12 - -     0.41 -  
357 221 - 32.3 334   -  
142 - 12 12.2   312 234

Heat Treatment of steel grade 1.3257

Heat treated : 1446°C - 1528°C

Technological Curves of steel grade 1.3257

Cross Reference Table (Equivalent Grade) of 1.3257

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