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C75S - (1.1248) / Ck75 / C75RR / CS80

C75S - 1.1248

Application Information

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**Public Id**
**C75S - 1.1248**
Grade (EU)	C75S
Number(EU)	1.1248
Classification	Non alloy special steel

**Equivalent References**
**C75S - 1.1248**
Germany, DIN	Ck75
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
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Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+CR)	1170
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Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+QT)	1200 - 1900
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Nominal thickness	0.3 - 3
R_p0.2 0.2% proof strength (MPa) (+A)	510
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Nominal thickness	0.3 - 3
A - Min. elongation Lo = 80 mm (%) (+A)	15
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Vickers hardness (HV): (+A)	200
Vickers hardness (HV): (+CR)	320
Vickers hardness (HV): (+QT)	370 - 580

C55S - 1.1204

**Equivalent References**
Germany, DIN	1.1203 Ck55
France, AFNOR	C50RR
England, BS	CS50
.	.

Detailed Feature Table...

C60S - 1.1211

**Equivalent References**
Germany, DIN	Ck60
France, AFNOR	C60RR
England, BS	CS60
.	.

Detailed Feature Table...

C67S - 1.1231

**Equivalent References**
Germany, DIN	Ck67
France, AFNOR	C68RR
England, BS	CS70
.	.

Detailed Feature Table...

C75S - 1.1248

**Equivalent References**
Germany, DIN	Ck75
France, AFNOR	C75RR
England, BS	CS80
.	.

Detailed Feature Table...

C85S - 1.1269

**Equivalent References**
Germany, DIN	Ck85
France, AFNOR	----
England, BS	CS80
.	.

Detailed Feature Table...

C100S - 1.1274

**Equivalent References**
Germany, DIN	Ck100
France, AFNOR	C100RR
England, BS	CS95
.	.

Detailed Feature Table...

C125S - 1.1224

**Equivalent References**
Germany, DIN	---
France, AFNOR	C125RR
England, BS	---
.	.

Detailed Feature Table...