1.1730

Material No.

1.1730

US standard (AISI)

Abbreviation

 C45U 

Old designation

C 45 W

Description

Tool steel

Composition
Alloy constituents [%]

C: 0.42 – 0.50
Si: 0.15 – 0.40 
Mn: 0.60 – 0.80
P: ≤ 0.030
S: ≤ 0.030

Density [g/cm³]

7.85

Yield point
Rp0.2 / Re[N/mm²]

Tensile strength
Rm [N/mm²]

Resistance to wear and tear
1080 – 1270

Elongation after fracture
A [%]

Machinability

Very good

Weldability

Suitable

Heat treatment

Possible

Other properties

Main uses

UNI lock clamping stations, screwdrivers, chisels, knives