1.1191

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