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Alloyed structural steel C45 High-strength alloyed structural steel grade C45 refers to chromium-molybdenum alloys. It is made from unalloyed steels, by hardening, for further hardening and tempering, as well as induction hardening. Conforms to the European standard EN10083. The material is supplied as: – Semi-finished products of hot molding. – Prutkov. – Rods. – Hot-rolled […]
High-strength alloyed structural steel grade C45 refers to chromium-molybdenum alloys. It is made from unalloyed steels, by hardening, for further hardening and tempering, as well as induction hardening. Conforms to the European standard EN10083.
The material is supplied as:
– Semi-finished products of hot molding.
– Prutkov.
– Rods.
– Hot-rolled sheets and strips.
– Forgings.
Special properties
European steel grade EN10083 stands out for its convincing strength, sufficiently high yield strength and significant impact strength. Fully retains its mechanical properties at an operating temperature of 450-500 degrees.
The material has limited weldability. Can be used manual arc or automatic arc welding, performed under flux and in a protective gaseous environment.
Applications
Structural materials represented by steel grades C45 are used in the production of billets, fasteners, flanges, discs and rotors of steam turbines, parts of various machines.
Chemical composition of steel C45
|
C |
Si |
Mn |
P |
S |
Cr |
Mo |
Ni |
Fe |
|
0.42-0.50 |
<0,4 |
0.5-0.8 |
<0.045 |
<0.045 |
<0,4 |
<0,1 |
<0,4 |
Other |
Mechanical properties of steel C45
|
Twidth |
Yield strength, MPa |
Tensile strength, MPa |
Relative elongation, % |
Relative narrowing, % |
|
+N |
||||
|
<16mm |
> 340 |
> 620 |
> 14 |
– |
|
16 – 100 |
> 305 |
> 580 |
> 16 |
– |
|
>100mm |
> 275 |
> 560 |
> 16 |
– |
|
+QT |
||||
|
<16 mm |
> 490 |
700-850 |
> 14 |
> 35 |
|
16 – 40 |
> 430 |
650-800 |
> 16 |
> 40 |
|
> 40mm |
> 370 |
630-780 |
> 17 |
> 45 |
Forms of delivery of sheet steel C45
|
Structural steel |
||||
| Steel grades EN 10083 |
Steel grade GOST | Dimensions mm | ||
| Thickness | Width | Length to | ||
| C45 | 45 | 8 – 150 | 1000 – 3000 | 12,000 |
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