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1.1820

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C55W C85W
#1.1820

Description

Germany DIN 1.1820 Carbon tool steel and 1.1820 Mechanical Properties, Chemical Element, Cross Reference, Datasheet.

Datasheet for: Steel Grades:Tool Steel And Hard Alloy: 1.1820
Category Type Steel Grade Standard Country Application
Steel GradesTool Steel And Hard Alloy 1.1820 DIN Germany Carbon tool steel
1.1645
C45W
1.1730
C60W
1.1740
C67W
1.1744
C75W
1.1750
C55W

Chemical composition(mass fraction)(wt.%) of the 1.1820

C(％) Si(％) Mn(％) P(％) S(％)
0.50-0.58 Max 0.15 0.30-0.50 Max 0.030 Max 0.030

Mechanical Properties of steel grade 1.1820

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)
655 (≥) 843 (≥) 31 34 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 222

Physical Properties of steel grade 1.1820

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
44 - -     0.23 -  
275 764 - 11.3 213   -  
212 - 23 43.2   243 331

Heat Treatment of steel grade 1.1820

Heat treated : 1535°C - 1385°C

Technological Curves of steel grade 1.1820

Cross Reference Table (Equivalent Grade) of 1.1820

Grade Standard Country Application
1.1820 DIN Germany Carbon tool steel
C55W C85W
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