C75S - (1.1248) / Ck75 / C75RR / CS80

C75S - 1.1248

Application Information

...


Public Id

C75S - 1.1248

Grade (EU) C75S
Number(EU) 1.1248
Classification Non alloy special steel

Equivalent References

C75S - 1.1248

Germany, DINCk75
France, AFNOR C75RR
England, BS CS80

Standards

C75S - 1.1248

EN 10132-4:2000

Chemical Composition

C75S - 1.1248

C 0.70 - 0.80
Si 0.15 - 0.35
Mn 0.60 - 0.90
Ni max 0.40
P max 0.025
S max 0.025
Cr max 0.40
Mo max 0.10

Mechanical Properties

C75S - 1.1248

Nominal thickness 0.3 - 3
Rm - Tensile strength (MPa) (+A) 640
-----
Nominal thickness 0.3 - 3
Rm - Tensile strength (MPa) (+CR) 1170
-----
Nominal thickness 0.3 - 3
Rm - Tensile strength (MPa) (+QT) 1200 - 1900
-----
Nominal thickness 0.3 - 3
Rp0.2 0.2% proof strength (MPa) (+A) 510
-----
Nominal thickness 0.3 - 3
A - Min. elongation Lo = 80 mm (%) (+A) 15
-----
Vickers hardness (HV): (+A) 200
Vickers hardness (HV): (+CR) 320
Vickers hardness (HV): (+QT) 370 - 580