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Material datasheet for steel 1.1203

The main suppliers are not only the Slovenian ironworks SIJ RAVNE | SIJ ACRONI | ŠTORE STEEL, but also other major companies from all over Europe.

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W.Nr.
1.1203
ČSN
12060
DIN EN
C55

Characteristics of steel

Steel with a higher (0.55%) carbon content for greater strength than the lower carbon alloys. It is hardenable by heat treatment, quench and tempering.

Suitability of steel use

Steel for springs, for quenched and tempered springs, for surface hardened products like shafts, bushings, crankshafts, etc.

Chemical composition of steel

Jakost oceli CMnSiCrWMoVNiPSCu
DIN / EN C550,56
0,75
0,40 max.
0,40 max.

0,10 max.

0,40 max.
0,035 max.
0,035 max.

ČSN 120600,54-0,65
0,70-0,80
0,40 max.
0,40 max.
0,10 max.
0,40 max.
0,035 max.
0,035 max.

Heat treatment

Kování
1100-800 °C
Žíhání normalizační
810-840 °C
Žíhání na měkko
680-720 °C
Kalení ve vodě
790-830 °C
Kalení v oleji
800-840 °C
Popouštění
530-670 °C

Supply options

Choose from a range of steels. Other dimensions on request, from central stock or new production.

185550
In stock 4 dimensions

Sheet – Coil shape

Hot rolled, For heat treatment.

W.nr 1.1203
ČSN 12 060
DIN-EN C55E
Stav dodání +A
142502
In stock 2 dimensions

Sheet – Coil shape

Cold rolled, For heat treatment.

W.nr 1.1203
ČSN 12 060
DIN-EN C55E
Stav dodání +A