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1.2709

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74NiCr2 X3NiCoMoTi18-9-5
#1.2709

Description

1.2709 Tool Steel and Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel: 1.2709
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel 1.2709
1.2562
142WV13
X165CrMoV12
1.2601
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  Other
 ≤0.03  0.10  0.15  0.010  0.010  ≤0.25  17.0-19.0  4.50-5.20  Co  8.50-10.0
Ti  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)
331 (≥) 984 (≥) 13 12 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 242

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
12 - -     0.42 -  
868 481 - 23.3 112   -  
543 - 11 33.2   124 344

Heat Treatment of steel grade 1.2709

Heat treated : 1595°C - 1847°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
74NiCr2 X3NiCoMoTi18-9-5
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Jiangyou Longhai Special Steel Co.,Ltd.
Jiangyou Longhai Special Steel Co.,Ltd.

Our main peoducts of steel are many kinds of special steel, like tool steel, mould steel, alloy steel, alloy constructural steel, heat-resistant steel, high speed tool steel,spring steel and bearing steel , stainless steel and so on, which have formed 12 series and more than 350 varieties with n...

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