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1.1191 carbon steel

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1.1191 high-carbon steel

Material No. 1.1191
US standard (AISI)  
Abbreviation C45E
Old designation Ck 45
Description Carbon steel
Composition
Alloy constituents [%]
C: 0.42 – 0.50
Si: ≤ 0.40
Mn: 0.50 – 0.80
P: ≤ 0.030
S: ≤ 0.035
Cr: ≤ 0.40
Mo: ≤ 0.10
Ni: ≤ 0.40
Density [g/cm³] 7.85
Yield point
Rp0.2 / Re[N/mm²]
>= 430
Tensile strength
Rm [N/mm²]
650 – 800 
Elongation after fracture
A [%]
>= 16
Machinability Good
Weldability Unsuitable
Heat treatment Possible
Other properties  
Main uses Cam clamps, single, slot guide keys, hinge pins, clevis joints with threaded pins
This information is for reference only; we do not assume any liability for its accuracy. The properties of steel materials are highly dependent on their thermal and/or mechanical treatment.

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