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Description

Germany DIN 1.2880 Cold working alloy tool steel and 1.2880 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2880
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2880 DIN Germany Cold working alloy tool steel
70Si7
0.2823
60MnSiCr4
0.2826
100V1
1.2833
1.2838
145V33
1.2842
90MnCrV8

Chemical composition(mass fraction)(wt.%) of the 1.2880

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Mo(%) Co(%)
1.55-1.75 0.25-0.40 0.20-0.40 Max 0.035 Max 0.035 11.0-12.0 0.50-0.60 1.20-1.40

Mechanical Properties of steel grade 1.2880

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)
499 (≥) 815 (≥) 11 12 23 Solution and Aging, Annealing, Ausaging, Q+T,etc 331

Physical Properties of steel grade 1.2880

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
33 - -     0.23 -  
319 861 - 14.3 112   -  
784 - 44 23.2   342 412

Heat Treatment of steel grade 1.2880

Heat treated : 1377°C - 1284°C

Technological Curves of steel grade 1.2880

Cross Reference Table (Equivalent Grade) of 1.2880

Grade Standard Country Application
1.2880 DIN Germany Cold working alloy tool steel

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