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1.2129

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200CrMn8 21MnCr5
#1.2129

Description

Germany DIN 1.2129 Cold working alloy tool steel and 1.2129 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2129
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2129 DIN Germany Cold working alloy tool steel
1.2101
58SiCr8
1.2103
90CrSi5
1.2108
125CrSi5
1.2109
105MnCr4
1.2127
200CrMn8

Chemical composition(mass fraction)(wt.%) of the 1.2129

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
1.90-2.10 0.15-0.30 0.80-1.10 Max 0.035 Max 0.035 1.90-2.20

Mechanical Properties of steel grade 1.2129

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)
488 (≥) 745 (≥) 21 11 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 143

Physical Properties of steel grade 1.2129

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
22 - -     0.32 -  
284 537 - 32.3 124   -  
518 - 14 34.2   341 133

Heat Treatment of steel grade 1.2129

Heat treated : 1311°C - 1665°C

Technological Curves of steel grade 1.2129

Cross Reference Table (Equivalent Grade) of 1.2129

Grade Standard Country Application
1.2129 DIN Germany Cold working alloy tool steel
200CrMn8 21MnCr5
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