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1.2721

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1.2718 50NiCr13
#1.2721

Description

Germany DIN 1.2721 Cold working alloy tool steel and 1.2721 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2721
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2721 DIN Germany Cold working alloy tool steel
1.2709
X3NiCoMoTi18-9-5
45NiCr6
1.2710
1.2711
54NiCrMoV6
1.2713
55NiCrMoV6
55NiCr10
1.2718

Chemical composition(mass fraction)(wt.%) of the 1.2721

C(％) Si(％) Mn(％) P(％) S(％) Cr(％) Ni(％)
0.45-0.55 0.15-0.35 0.40-0.60 Max 0.035 Max 0.035 0.90-1.20 3.00-3.50

Mechanical Properties of steel grade 1.2721

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)
137 (≥) 776 (≥) 41 13 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 114

Physical Properties of steel grade 1.2721

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
11 - -     0.31 -  
334 483 - 34.3 231   -  
477 - 14 23.2   243 132

Heat Treatment of steel grade 1.2721

Heat treated : 1782°C - 1567°C

Technological Curves of steel grade 1.2721

Cross Reference Table (Equivalent Grade) of 1.2721

Grade Standard Country Application
1.2721 DIN Germany Cold working alloy tool steel
1.2718 50NiCr13
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