Sweden · SS
1.1203
SS EN 10132-3
Chemical composition
wt% · log scale- min – max range
- typical value
Mechanical properties
value range by conditionChemical composition
| Element | min | max | Similar | Remarks |
|---|---|---|---|---|
| C | 0.52 | 0.6 | ||
| Cr | 0.4 | |||
| Mn | 0.6 | 0.9 | ||
| Mo | 0.1 | |||
| Ni | 0.4 | |||
| P | 0.035 | |||
| S | 0.035 | |||
| Si | 0.4 |
Mechanical properties
| Heat treatment / condition | Yield strength | Tensile strength | Elongation | Reduction of area | Impact energy | Hardness |
|---|---|---|---|---|---|---|
| narrow strip +CR, >= 0.3 <= 3 mm | ≤1070 | HV ≤300 | ||||
| narrow strip +QT, >= 0.3 <= 3 mm | 1100–1700 | HV 340–520 HRC；HR 34–50 HRC | ||||
| narrow strip, annealed or annealed skin passed , >= 0.3 <= 3 mm | ≤480 | ≤600 | ≥17 Lo = 80 mm | HV ≤185 HRB；HR ≤90 HRB |
Physical properties
| Elastic modulus | Mean thermal expansion | Thermal conductivity | Specific heat | Resistivity | Density | Poisson's ratio |
|---|---|---|---|---|---|---|
| 205.00 | 7.85 |
Typical physical values
| Density | Elastic modulus | Poisson's ratio | Remarks |
|---|---|---|---|
| 7.85 | 200.00–207.00 | 0.27–0.30 | Material properties for low-carbon low-alloy steel. These values are not taken from the standard; they are indicative and must not be used for design. |
Fatigue
| Item | Detail |
|---|---|
| Product | Semi Finished products; Thickness: <= 16 mm; +QT |
| Experiment | Reversed bending; T: 20°C |
| Specimen |
| Property | Value |
|---|---|
| Yield strength (MPa) | 550.0 |
| Tensile strength (MPa) | 800.0 950.0 |
| Elongation (%) | 12.0 |
| Reduction of area (%) | 30.0 |
| No. | Cycles |
|---|---|
| 1 | 1E7 |
Heat treatment
| Type | 1 |
|---|---|
| Heat-treatment curve | Hardness-Tempering |
| Heat-treatment curve | CCT |
| Heat-treatment curve | TTT |
| Heat-treatment curve | Hardenability |
Similar grades
| Grade | Region | System |
|---|---|---|
| 1.1203 |  Italy | UNI |
| C 55 E | Italy | UNI |
| 1.1203 |  Spain | UNE |
| C 55 E | Spain | UNE |
| 1.1203 |  Romania | STAS |
| C 55 E | Romania | STAS |
| C 55 E | Sweden | SS |
| 1.1203 |  Switzerland | SNV |
| C 55 E | Switzerland | SNV |
| 1.1203 |  Finland | SFS |
| C 55 E | Finland | SFS |
| 1.1203 |  Poland | PN |
| C 55 E | Poland | PN |
| 1.1203 |  Austria | ONORM |
| C 55 E | Austria | ONORM |
| 1.1203 |  Norway | NS |
| 1.1203 |  Belgium | NBN |
| 1.1203 |  Hungary | MSZ |
| C 55 E | Hungary | MSZ |
| 1.1203 | Czech Republic | CSN |
| C 55 E | Czech Republic | CSN |
| 1.1203 | Bulgaria | BDS |
| C 55 E | Bulgaria | BDS |
| 1.1203 |  United Kingdom | B.S. |
| 1.1203 |  France | AFNOR NF |
| C 55 E | Norway | NS |
| C 55 E | Belgium | NBN |
| C 55 E | France | AFNOR NF |
| C 55 E |  Germany | DIN |
| 1.1203 | Germany | DIN |
| C 55 E | United Kingdom | B.S. |