Chung Metal in Da Nang, Vietnam, provides the finest Alloy Steel Bright Bars, designed for applications that demand precision and strength with a polished finish. Cold finishing operations are employed on these bars for superior surface quality, tighter tolerances, and enhanced dimensional accuracy. Ideally suited for high-performance engineering applications, these bars guarantee excellent mechanical properties coupled with consistency in quality. Chung Metal’s bright round bars meet international specifications for a wide variety of industries, including automotive, aerospace, fabrication, and manufacturing. The commitment toward excellence makes sure that Alloy Steel Bright Bars offered by Chung Metal stand out in terms of exceptional reliability, corrosion resistance, and performance for the most demanding industrial operations and precision-machined components.
The alloying elements in Alloy Steel Bright Bars, such as chromium, molybdenum, nickel, and carbon, increase their hardness, tensile strength, and resistance to oxidation. The bright finish on these bars is obtained either by cold drawing or grinding, which enhances surface quality and mechanical stability. They usually attain tensile strengths in the range of 700–900 MPa, depending upon the grade. They have very good machinability, fatigue strength, and exhibit less deformation under stress. The controlled chemical composition ensures high-dimensional accuracy and stability for applications that require superior hardness and durability along with smooth surface characteristics.
| Specifications | ASTM A182, ASME SA182 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Range | 5mm to 500mm Dia in 100mm to 6000mm Length |
| Diameter | 10 mm To 200 mm |
| Thickenss | 0.5mm to 500mm Diameter |
| High Speed Steel (HSS), HCHCR & OHNS in Grade | M2, M3, M35, M42, T-1, T-4, T-15, T-42, D2, D3, H11, H13, OHNS-01 & EN52 |
| Finish | Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish |
| Length | 1000 mm Long To 6000 mm Long |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc. |
| Element | C | Cr | Mn | Mo | P | S | Si | Ni |
| F5 | 0.15 Max | 4.0-6.0 | 0.30-0.60 | 0.44-0.65 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F1 | 0.15 Max | 3.0-5.0 | 0.30-0.60 | 0.40-0.50 | 0.035 Max | 0.030 Max | 0.50 Max | 0.50 Max |
| F22 | 0.05-0.15 | 2.00-2.50 | 0.30-0.60 | 0.90-1.10 | 0.035 Max | 0.040 Max | 0.50 Max | – |
| F91 | 0.08-0.12 | 8.0-9.5 | 0.30-0.60 | 0.85-1.05 | 0.020 Max | 0.010 Max | 0.20-0.50 | 0.40 Max |
| F9 | 0.15 Max | 8.0-10.0 | 0.30-0.60 | 0.90- 1.10 | 0.030 Max | 0.030 Max | 0.50- 1.00 | – |
| F11 | 0.10-0.20 | 1.00-1.50 | 0.40-0.65 | 0.44-0.65 | 0.025 Max | 0.040 Max | 0.50-0.80 | – |
| Grade | Tensile Strength (ksi) min | Elongation (% in 50mm) min | Yield Strength 0.2% Proof (ksi) min |
| F9 | 415 | 30 | 205 |
| F5 | 275 | 485 | 20 |
Alloy steel bright bars can typically withstand temperatures ranging from -50°C to 550°C (or higher for specific grades), depending on the alloy composition and heat treatment, offering excellent heat resistance.
Alloy steel bright bars and rods are available in various diameters ranging from 5mm to 200mm, with lengths typically from 3 meters to 6 meters, customized to meet specific requirements.
Alloy Steel Bright Bars find their best application in making precision components for use in automotive, machinery, and engineering industries. They are widely used in the fabrication of fasteners, shafts, spindles, connecting rods, pins, and gear components. Their smooth surface finish makes them suitable for CNC machining, tool manufacturing, and high-speed equipment. In construction, they support structural applications requiring strong, accurate, and wear-resistant materials. Their reliability under stress also makes them essential in hydraulic systems, pump components, and industrial equipment requiring consistent performance. The exceptional accuracy and strength make them suitable for safety-critical and high-precision engineering tasks.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chung Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Da Nang, Vietnam
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