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EN 21MnCr5

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EN C120U EN 35CrMo7
#21MnCr5

Description

Euronorm EN EN 21MnCr5 Euronorm Tool steel and EN 21MnCr5 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: EN 21MnCr5
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy EN 21MnCr5 EN Euronorm Euronorm Tool steel
419856
419857
419858
419861
EN C45U
EN C70U
EN CHOU
EN C90U
EN C105U
EN C120U

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

C(％) Si(％) Mn(％) P(％) S(％)
0.15-0-24 0.15-0.35 1.10-1.40 0.030 0.03

Mechanical Properties of steel grade EN 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)
557 (≥) 478 (≥) 13 22 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 232

Physical Properties of steel grade EN 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
31 - -     0.33 -  
288 517 - 21.3 443   -  
491 - 22 42.2   412 444

Heat Treatment of steel grade EN 21MnCr5

Heat treated : 1913°C - 1388°C

Technological Curves of steel grade EN 21MnCr5

Cross Reference Table (Equivalent Grade) of EN 21MnCr5

Grade Standard Country Application
21MnCr5 DIN Germany Cold working alloy tool steel
EN 21MnCr5 EN Euronorm Euronorm Tool steel
EN C120U EN 35CrMo7
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