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21MnCr5

Favorite Datasheet
1.2129 1.2162
#21MnCr5

Description

Germany DIN 21MnCr5 Cold working alloy tool steel and 21MnCr5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 21MnCr5
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 21MnCr5 DIN Germany Cold working alloy tool steel
58SiCr8
1.2103
90CrSi5
1.2108
125CrSi5
1.2109
105MnCr4
1.2127
200CrMn8
1.2129

Chemical composition(mass fraction)(wt.%) of the 21MnCr5

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
0.18-0.24 0.15-0.35 1.10-1.40 Max 0.030 Max 0.030 1.00-1.30

Mechanical Properties of steel grade 21MnCr5

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)
619 (≥) 816 (≥) 23 23 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 334

Physical Properties of steel grade 21MnCr5

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 - -     0.42 -  
619 655 - 43.3 233   -  
389 - 21 33.2   344 331

Heat Treatment of steel grade 21MnCr5

Heat treated : 1744°C - 1725°C

Technological Curves of steel grade 21MnCr5

Cross Reference Table (Equivalent Grade) of 21MnCr5

Grade Standard Country Application
21MnCr5 DIN Germany Cold working alloy tool steel
EN 21MnCr5 EN Euronorm Euronorm Tool steel
1.2129 1.2162
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