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S12-1-4-5

Description

Germany DIN S12-1-4-5 High-speed tool steel and S12-1-4-5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: S12-1-4-5
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy S12-1-4-5 DIN Germany High-speed tool steel
X32CrMoCoV3-3-3
1.2885
X15CrMoCoV10-10-5
1.2886
X20CoCrWMo10-9
1.2888
X45CoCrMoV5-5-3
1.2889
X20CrMo13
1.4120

Chemical composition(mass fraction)(wt.%) of the S12-1-4-5

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) V(%) W(%) Co(%)
1.30-1.45 Max 0.45 Max 0.40 Max 0.030 Max 0.030 3.80-4.50 0.70-1.00 3.50-4.00 11.50-12.50 4.50-5.00

Mechanical Properties of steel grade S12-1-4-5

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)
768 (≥) 373 (≥) 12 33 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 422

Physical Properties of steel grade S12-1-4-5

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
44 - -     0.42 -  
936 121 - 33.3 132   -  
889 - 43 32.2   334 133

Heat Treatment of steel grade S12-1-4-5

Heat treated : 1845°C - 1295°C

Technological Curves of steel grade S12-1-4-5

Cross Reference Table (Equivalent Grade) of S12-1-4-5

Grade Standard Country Application
S12-1-4-5 DIN Germany High-speed tool steel

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