1.[ C55 1.0535 S55C 1055 bar& rod ]
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 |
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Equivalent grades of steel C40 (1.0511)
Warning! Only for reference
EU
EN |
USA
- |
Germany
DIN,WNr |
Japan
JIS |
France
AFNOR |
England
BS |
Italy
UNI |
China
GB |
Poland
PN |
Czechia
CSN |
Russia
GOST |
Inter
ISO |
C40 |
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2.[ C55 1.0535 S55C 1055 bar& rod ]
Surface:
mill finish (not polished)
brushed
mirror
embossed
oxidized
cold-rolled
hot-rolled
3.[ C55 1.0535 S55C 1055 bar& rod ]
Chemistry:
Chemical composition % of steel C40 (1.0511): EN 10277-2-2008
C |
Si |
Mn |
Ni |
P |
S |
Cr |
Mo |
0.37 - 0.44 |
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 C40 (1.0511)
Nominal thickness (mm): |
to 16 |
16 - 100 |
100 - 250 |
Rm - Tensile strength (MPa) (+N) |
580 |
550 |
530 |
Nominal thickness (mm): |
5 - 10 |
10 - 16 |
16 - 40 |
40 - 63 |
63 - 100 |
Rm - Tensile strength (MPa) (+C) |
700-1000 |
650-980 |
620-920 |
590-840 |
550-820 |
Nominal thickness(mm): |
to 16 |
16 - 100 |
100 - 250 |
Re - Upper yield strength or Rp0.2 - 0.2% proof strength (MPa) (+N) |
320 |
290 |
260 |
Nominal thickness(mm): |
5 - 10 |
10 - 16 |
16 - 40 |
40 - 63 |
63 - 100 |
Rp0.2 0.2% proof strength (MPa) (+C) |
540 |
460 |
365 |
330 |
290 |
Nominal thickness (mm): |
5 - 10 |
10 - 16 |
16 - 40 |
40 - 63 |
63 - 100 |
A - Min. elongation at fracture (%) (+C) |
6 |
7 |
8 |
9 |
9 |
Nominal thickness (mm): |
to 16 |
16 - 100 |
100 - 250 |
A - Min. elongation Lo = 5,65 √ So (%) (+N) |
16 |
17 |
17 |
Brinell hardness (HBW): (+SH) |
163 - 211 |
Properties of steel C40 (1.0511)
Weldability: Due to the medium-high carbon content it can be welded with some precautions.
Hardenability: Low hardenability; it shows intermediate features between those of steels with medium and those of steels with high carbon content; therefore it is not easy to obtain the required features by quenching in oil and the quenching in water can result in cracking. |
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