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Description

Germany DIN 1.2709 Cold working alloy tool steel and 1.2709 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2709
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2709 DIN Germany Cold working alloy tool steel
1.2562
142WV13
1.2601
X165CrMoV12
1.2604
73WCrMoV2-2
1.2631
X50CrMoW9-1-1
1.2703
74NiCr2

Chemical composition(mass fraction)(wt.%) of the 1.2709

C(%) Si(%) Mn(%) P(%) S(%) Cr(%) Ni(%) Mo(%) Co(%) Ti(%)
Max 0.03 Max 0.10 Max 0.15 Max 0.010 Max 0.010 Max 0.025 17.0-19.0 4.50-5.20 8.50-10.0 0.80-1.20

Mechanical Properties of steel grade 1.2709

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)
147 (≥) 134 (≥) 42 31 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 212

Physical Properties of steel grade 1.2709

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
24 - -     0.43 -  
614 293 - 31.3 311   -  
147 - 12 41.2   344 311

Heat Treatment of steel grade 1.2709

Heat treated : 1842°C - 1555°C

Technological Curves of steel grade 1.2709

Cross Reference Table (Equivalent Grade) of 1.2709

Grade Standard Country Application
1.2709 DIN Germany Cold working alloy tool steel

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