1.2842

Material No.

1.2842

US standard (AISI)

Abbreviation

90MnCrV8

Old designation

Description

Tool steel

Composition
Alloy constituents [%]

C: 0.85 – 0.95
Si: 0.10 – 0.40
Mn: 1.80 – 2.20
P: ≤ 0.030
S: ≤ 0.030
Cr: 0.20 – 0.50
V: 0.05 – 0.20 

Density [g/cm³]

7.9

Yield point
Rp0.2 / Re[N/mm²]

Tensile strength
Rm [N/mm²]

Elongation after fracture
A [%]

Machinability

Good

Weldability

Suitable

Heat treatment

Possible

Other properties

Main uses

Cross roller guide rails, T-slot scrapers, measuring tools, plastic and rubber moulds, forming dies