EN1092 C45 FORGED Steel Flange 1.0503 Steel forged flange Forged Steel Flanges b16.9
| Grade : | C45 |
| Number: | 1.0503 |
| Classification: | Non-alloy quality steel |
| Standard: | | EN 10277-2: 2008 Bright steel products. Technical delivery conditions. Steels for general engineering purposes | | EN 10083-2: 2006 Steels for quenching and tempering. Technical delivery conditions for non alloy steels | | EN 10250-2: 2000 Open steel die forgings for general engineering purposes. Non-alloy quality and special steels | |
Chemical composition % of steel C45 (1.0503): EN 10277-2-2008 | C | Si | Mn | Ni | P | S | Cr | Mo |
| 0.43 - 0.5 | max 0.4 | 0.5 - 0.8 | max 0.4 | max 0.045 | max 0.045 | max 0.4 | max 0.1 |
Mechanical properties of steel C45 (1.0503) | Nominal thickness (mm): | to 16 | 16 - 100 | 100 - 250 | 250 - 500 | 500 - 1000 |
| Rm - Tensile strength (MPa) (+N) | 620 | 580 | 560 | 540 | 530 |
| Nominal thickness (mm): | 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(mm): | to 100 | 100 - 250 | 250 - 500 | 500 - 1000 |
| Re - Upper yield strength (MPa) (+N) | 305 | 275 | 240 | 230 |
| 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 |
| 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 16 | 16 - 100 | 100 - 250 |
| A - Min. elongation Lo = 5,65 √ So (%) (+N) | 14 | 16 | 16 |
| Brinell hardness (HBW): (+S) | 255 |
| Brinell hardness (HBW): (+A) | 207 |
| Brinell hardness (HBW): (+SH) | 172 - 242 |
Properties of steel C45 (1.0503) 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. |
Equivalent grades of steel C45 (1.0503) EU
EN | USA
- | Germany
DIN,WNr | Japan
JIS | France
AFNOR | England
BS | Italy
UNI | Spain
UNE | China
GB | Sweden
SS | Poland
PN | Czechia
CSN | Austria
ONORM | Russia
GOST | Inter
ISO |
| C45 | | | | | | | | | | | | | | |
