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 |
