Aung Metals, a leading manufacturer and supplier located in Naypyidaw, Myanmar, is well-known for crafting high-quality C45 Round Bars that are celebrated for their strength, durability, and precision. Thanks to cutting-edge manufacturing techniques and rigorous quality control, Aung Metals guarantees that each C45 Round Bar adheres to international standards and performs reliably in tough industrial settings. With impressive hardness, tensile strength, and wear resistance, C45 Round Bars are perfect for the mechanical, automotive, and construction sectors. Aung Metals delivers precision-engineered steel solutions that blend toughness, machinability, and long-lasting performance, making them a go-to choice for critical engineering and manufacturing needs.
C45 Round Bars are made from medium-carbon steel, containing about 0.42–0.50% carbon, 0.50–0.80% manganese, along with small amounts of phosphorus and sulfur. This unique blend strikes a fantastic balance between strength, hardness, and toughness. On the mechanical side, C45 steel boasts a tensile strength of roughly 600–700 MPa and a yield strength of 355–450 MPa. It also offers good machinability, moderate ductility, and excellent wear resistance, with the option for heat treatment to boost hardness and mechanical performance in demanding situations.
|
Variant |
Cast |
Weldability |
C % |
Si % |
Mn % |
P % |
S % |
Cr % |
Ni % |
Mo % |
V % |
Ti % |
Cu % |
Al % |
DI % |
|
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
|
SB8673 |
CC |
CEV 0.71max |
Min |
0.46 |
0.15 |
0.70 |
– |
0.020 |
0.25 |
0.10 |
– |
– |
– |
– |
0.020 |
1.70 |
|
Pcm 0.55max |
Max |
0.49 |
0.35 |
0.80 |
0.020 |
0.035 |
0.30 |
0.20 |
– |
– |
– |
0.25 |
0.040 |
2.00 |
||
|
SB1672 |
CC |
CEV 0.72max |
Min |
0.42 |
0.10 |
0.50 |
– |
0.020 |
– |
– |
– |
– |
– |
– |
– |
1.10 |
|
Pcm 0.55max |
Max |
0.50 |
0.40 |
0.90 |
0.045 |
0.045 |
0.40 |
0.40 |
0.10 |
– |
– |
– |
– |
1.80 |
||
|
SB1671 |
CC |
CEV 0.58max |
Min |
0.42 |
0.15 |
0.50 |
– |
0.035 |
– |
– |
– |
– |
– |
– |
– |
1.20 |
|
Pcm 0.51max |
Max |
0.50 |
0.40 |
0.80 |
0.045 |
0.050 |
– |
– |
– |
– |
– |
– |
– |
1.60 |
||
|
5081, Imatra 4 M |
CC |
CEV 0.72max |
Min |
0.42 |
0.10 |
0.50 |
– |
0.020 |
– |
– |
– |
– |
– |
– |
– |
1.10 |
|
Pcm 0.55max |
Max |
0.50 |
0.40 |
0.90 |
0.030 |
0.035 |
0.40 |
0.40 |
0.10 |
– |
– |
– |
– |
1.80 |
||
|
5155 |
CC |
CEV 0.72max |
Min |
0.44 |
0.10 |
0.50 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
1.10 |
|
Pcm 0.55max |
Max |
0.49 |
0.40 |
0.80 |
0.030 |
0.025 |
0.40 |
0.40 |
0.10 |
– |
– |
– |
– |
1.80 |
||
|
047A |
IC |
CEV 0.76max |
Min |
0.46 |
0.15 |
0.50 |
– |
0.020 |
– |
– |
– |
– |
– |
– |
0.015 |
– |
|
Pcm 0.6max |
Max |
0.50 |
0.40 |
0.80 |
0.030 |
0.030 |
0.25 |
0.25 |
0.10 |
0.100 |
0.005 |
0.25 |
0.030 |
– |
||
|
C45 EN 10083-2:2006 |
Std |
CEV 0.68max |
Min |
0.42 |
– |
0.50 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
|
Pcm 0.55max |
Max |
0.50 |
0.40 |
0.80 |
0.045 |
0.045 |
0.40 |
0.40 |
– |
– |
– |
– |
– |
– |
||
|
C45R EN10083-2:2006 |
Std |
CEV 0.65max |
Min |
0.42 |
– |
0.50 |
– |
0.020 |
– |
– |
– |
– |
– |
– |
– |
– |
|
Pcm 0.53max |
Max |
0.50 |
0.40 |
0.80 |
0.030 |
0.040 |
0.40 |
0.40 |
– |
– |
– |
– |
– |
– |
||
|
C45E EN 10083-2:2006 |
Std |
CEV 0.71max |
Min |
0.42 |
– |
0.50 |
– |
– |
– |
– |
– |
– |
– |
– |
– |
– |
|
Pcm 0.55max |
Max |
0.50 |
0.40 |
0.80 |
0.030 |
0.035 |
0.40 |
0.10 |
– |
– |
– |
– |
– |
– |
|
Diameter d (mm) |
Thickness t (mm) |
0.2 % proof stress (N/mm2) |
Tensile strength (N/mm2) |
Elongation A5 (%) |
Reduction Z (%) |
|
<16 |
<8 |
min. 490 |
700-850 |
min. 14 |
min. 35 |
|
<17-40 |
<8<=20 |
min. 430 |
650-800 |
min. 16 |
min. 40 |
|
<41-100 |
<20<=60 |
min. 370 |
630-780 |
min. 17 |
min. 45 |
USA | Germany | China | Japan | France | England | Italy | Poland | ISO | Austria | Sweden | Spain |
ASTM/AISI/ UNS/SAE | DIN,WN-r | GB | JIS | AFNOR | BS | UNI | PN | ISO | ONORM | SS | UNE |
1045 G10450 | C45/Ck45/1.1191/C45 | 45# | S45C | C45E Ck45 | C40E 080M466 | 1660 |
Yes, C45 Round Bar can be recycled and repurposed without losing its essential properties.
C45 Round Bar does not have a specific pressure rating, as it is primarily used for mechanical and structural applications, not pressure-bearing components.
Yes, C45 Round Bar may require corrosion protection coatings when exposed to harsh environmental conditions to prevent rust and degradation.
These C45 Round Bars are widely utilized across the automotive, machinery, and general engineering industries, thanks to their outstanding mechanical properties and versatility. You’ll find them in applications like shafts, gears, bolts, axles, crankshafts, studs, and pins, where strength and durability are crucial. They also play a role in construction equipment, agricultural machinery, and forging operations, taking advantage of their excellent response to heat treatment. C45 Round Bars deliver dependable performance even under high stress and fatigue, making them ideal for crafting precision-engineered components that require wear resistance, toughness, and long-lasting operational efficiency.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Aung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Naypyidaw, Myanmar
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