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1.2109

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125CrSi5 105MnCr4
#1.2109

Description

Germany DIN 1.2109 Cold working alloy tool steel and 1.2109 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.2109
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.2109 DIN Germany Cold working alloy tool steel
1.2083
X33CrS16
1.2085
62SiMnCr4
1.2101
58SiCr8
1.2103
90CrSi5
1.2108
125CrSi5

Chemical composition(mass fraction)(wt.%) of the 1.2109

C(％) Si(％) Mn(％) P(％) S(％) Cr(％)
1.20-1.30 1.05-1.25 0.60-0.80 Max 0.035 Max 0.035 1.10-1.30

Mechanical Properties of steel grade 1.2109

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)
318 (≥) 656 (≥) 23 31 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 224

Physical Properties of steel grade 1.2109

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
13 - -     0.42 -  
136 229 - 11.3 332   -  
662 - 44 31.2   341 221

Heat Treatment of steel grade 1.2109

Heat treated : 1269°C - 1852°C

Technological Curves of steel grade 1.2109

Cross Reference Table (Equivalent Grade) of 1.2109

Grade Standard Country Application
1.2109 DIN Germany Cold working alloy tool steel
125CrSi5 105MnCr4
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