Application Information
Weldability: Due to the medium-high carbon content it can be welded with some precautions.
Hardenability: It has a low hardenability in water or oil; fit for surface hardening that gives this steel grade a high hardness of the hardened shell.
Public Id
C45E - 1.1191
| Grade (EU) |
C45E |
| Number |
1.1191 |
| USA |
1045 |
| Germany, DIN |
Ck45 |
| Japan, JIS |
S45C |
| France, ANFOR |
XC45 XC48H1 |
| England, BS |
080M36 CFS8 |
| Italy, UNI |
C45 |
| Spain, UNE |
C45k F1140 |
| China, GB |
45 |
| Sweden, SS |
1672 |
| Finland, SFS |
C45 |
| Russia, GOST |
45 |
| Inter, ISO |
C45E4 |
Standards
C45E - 1.1191
| EN 10277-5: 2008 |
| EN 10083-2: 2006 |
| EN 10132-3: 2000 |
| EN 10305-1: 2010 |
| EN 10269: 1999 |
| EN 10250-2: 2000 |
| EN 10297-1: 2003 |
Chemical Composition
C45E - 1.1191
| C |
0.42 - 0.50 |
| Si |
max 0.40 |
| Mn |
0.50 - 0.80 |
| Ni |
max 0.40 |
| P |
max 0.030 |
| S |
max 0.035 |
| Cr |
max 0.40 |
| Mo |
max 0.10 |
Mechanical Properties
C45E - 1.1191
| Nominal thickness |
to 16 |
16 - 100 |
100 - 250 |
250 - 500 |
500 - 1000 |
| Rm - Tensile strength (MPa) (+N) |
620 |
580 |
560 |
540 |
530 |
| Nominal thickness |
0.3 - 3 |
| Rm - Tensile strength (MPa) (+A) |
570 |
| Nominal thickness |
0.3 - 3 |
| Rm - Tensile strength (MPa) (+CR) |
1020 |
| Nominal thickness |
5 - 10 |
10 - 16 |
16 - 40 |
40 - 63 |
63 - 100 |
| Rm - Tensile strength (MPa) (+C) |
750 - 1050 |
710 - 1030 |
650 - 1000 |
630 - 900 |
580 - 850 |
| Nominal thickness |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
| Rm - Tensile strength (MPa) (+QT) |
700 |
650 |
630 |
600 |
C45E - 1.1191
| Nominal thickness (mm) |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
| ReH - Minimum yield strength (MPa) (+QT) |
490 |
430 |
370 |
340 |
C45E - 1.1191
| Nominal thickness (mm) |
to 16 |
16 - 100 |
100 - 250 |
250 - 500 |
500 - 1000 |
Re - Upper yield strength or
Rp0.2 - 0.2% proof strength (MPa) (+N) |
340 |
305 |
275 |
240 |
230 |
| Nominal thickness (mm) |
0.3 - 3 |
| Rp0.2 0.2% proof strength (MPa) (+A) |
455 |
| Nominal thickness (mm) |
5 - 10 |
10 - 16 |
16 - 40 |
40 - 63 |
63 - 100 |
| Rp0.2 0.2% proof strength (MPa) (+C) |
565 |
500 |
410 |
360 |
310 |
C45E - 1.1191
| KV Impact energy (J) transverse (+QT) |
+20° - 14 |
| KV Impact energy (J) transverse (+QT) |
+20° - 25-50 |
C45E - 1.1191
| Nominal thickness (mm): |
0.3 - 3 |
| A - Min. elongation Lo = 80 mm (%) (+A) |
18 |
| Nominal thickness (mm):
|
5 - 10 |
10 - 16 |
16 - 40 |
40 - 63 |
63 - 100 |
| A - Min. elongation at fracture (%) (+C) |
5 |
6 |
7 |
8 |
8 |
| Nominal thickness (mm) |
to 8 |
8 - 20 |
20 - 50 |
50 - 80 |
| A - Min. elongation at fracture (%) (+QT) |
14 |
16 |
17 |
17 |
C45E - 1.1191
| Nominal thickness (mm) |
to 16 |
16 - 100 |
100 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) |
14 |
16 |
16 |
C45E - 1.1191
| Z - Reduction in cross section on fracture (%) (+QT) |
40 |
C45E - 1.1191
| Brinell hardness (HBW) (+S): |
255 |
| Brinell hardness (HBW) (+A): |
207 |
| Brinell hardness (HBW) (+SH): |
172 - 242 |
| Vickers hardness (HV) (+CR) |
290 |
| Vickers hardness (HV) (+A) |
180 |
