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Description

1.2747 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2747

Chemical composition(mass fraction)(wt.%) of the 1.2747

 

 

Si 
Mn 
 P
 S
Cr   Ni  Mo  Other
 0.24-0.31  0.15-0.35 0.20-0.40   0.030  0.030  0.30-0.50  4.20-4.70  1.15-1.25  V 0.15-0.20

Mechanical Properties of steel grade 1.2747

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)
945 (≥) 166 (≥) 34 24 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 221

Physical Properties of steel grade 1.2747

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 - -     0.44 -  
377 121 - 12.3 222   -  
539 - 44 44.2   441 443

Heat Treatment of steel grade 1.2747

Heat treated : 1416°C - 1277°C

Technological Curves of steel grade 1.2747

Cross Reference Table (Equivalent Grade) of 1.2747

Grade Standard Country Application
1.2747 DIN Germany Hot working alloy tool steel

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