HOME » STEEL PROPERTIES » Aqueous Spring Steels » C55S - 1.1204 ::

C55S (1.1204) / Ck55 / C50RR / CS50

C55S - 1.1204

Application Information

...

**Public Id**
**C55S - 1.1204**
Grade (EU)	C55S
Number(EU)	1.1204
Classification	Non alloy special steel

**Equivalent References**
**C55S - 1.1204**
Germany, DIN	1.1203 Ck55
France, AFNOR	C50RR
England, BS	CS50

**Standards**
**C55S - 1.1204**
EN 10132-4:2000

**Chemical Composition**
**C55S - 1.1204**
C	0.52 - 0.60
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**
**C55S - 1.1204**
Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+A)	600
-----
Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+CR)	1070
-----
Nominal thickness	0.3 - 3
Rm - Tensile strength (MPa) (+QT)	1100 - 1700
-----
Nominal thickness	0.3 - 3
R_p0.2 0.2% proof strength (MPa) (+A)	480
-----
Nominal thickness	0.3 - 3
A - Min. elongation Lo = 80 mm (%) (+A)	17
-----
Vickers hardness (HV): (+A)	185
Vickers hardness (HV): (+CR)	300
Vickers hardness (HV): (+QT)	340 - 520

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...