Chuck Metals is a reliable manufacturer and supplier of Stainless Steel Round Bars and Rods based in Singapore, catering to a variety of industrial sectors throughout Pulau Ujong and the broader Southeast Asian region. Our stainless steel round bars are crafted to comply with international standards like ASTM A276 and A484, ensuring outstanding corrosion resistance, strength, and durability. We offer a diverse selection of grades, including 304, 316, 321, 410, and 420, making these bars perfect for machining, fabrication, and structural applications. At Chuck Metals, we pride ourselves on delivering consistent quality, precise dimensions, and smooth surface finishes, all essential for critical engineering and manufacturing tasks.
Typically, Stainless Steel Round Bars and Rods are made from iron (Fe) combined with alloying elements such as 18–20% chromium, 8–12% nickel, and, in certain grades, 2–3% molybdenum to boost corrosion resistance. The mechanical properties can differ by grade, but they generally feature tensile strength ranging from 500–800 MPa, yield strength between 200–600 MPa, along with excellent ductility and toughness. These bars are designed to resist oxidation, stress corrosion cracking, and general corrosion in various environments, including acidic, marine, and high-temperature conditions. Their machinability, weldability, and strength make them adaptable for numerous industrial applications.
| SS Bar Standard | ASTM A276, ASTM A479, AMS 5513, AMS 5511, AMS 5647 |
|---|---|
| Stainless Steel Bar Dimensions | EN, DIN, JIS, ASTM, BS, ASME, AISI |
| Stainless Steel Round bar size | Diameter: 3-~800mm |
| Stainless Steel Hex Bar size | 2-100mm A/F |
| SS Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Stainless Steel Square bar size | 4 to 100mm |
| SS Angle bar size | 3mm*20mm*20mm~12mm*100mm*100mm |
| SS Rectangular Bars Section | 3.0 to 12.0mm thickness |
| Stainless Steel Channel Bar | 80 x 40mm to 150 x 75mm section; 5.0 to 6.0mm thickness |
| ASTM A276 Type Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| SS Threaded Bar Billet Size | 1/2 to 495mm Diameter |
| Stainless Steel Rectangular Size | 33 x 30mm to 295 x 1066mm |
| SS Hex Bars Finish | Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black |
| ASTM A276 Type Hollow Bar Tolerance | H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements |
| SUS T-Bar Surface | Bright, Hot Rolled Pickled, Cold Drawn, Sand Blasting Finished, Polished, Hairline |
| Rolled Stainless Steel Flat Bars Condition | Hardened & tempered, annealed |
| ASTM A276 Type Cold Rolled Bar Technique | Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod |
| SS Rod Processing | Bar cutting to 650mm |
| Stainless Steel Rounds Bar Form | Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc. |
| ASTM Grade | Carbon | Manganese | Silicon | Sulfur | Phospherous | Chromium | Nickel | Molybdenum | Other |
| 304 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0-20.0 | 8.0 11.0 | – | – |
| 316 | 0.08 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 16.0-18.0 | 10.0 14.0 | 2.0 3.0 | – |
| 317L | 0.035 max | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 18.0-20.0 | 11.0 14.0 | 3.0 4.0 | – |
| 310 S | 0.08 max | 2.00 max | 1.5 max | 0.030 max | 0.045 max | 24.0-26.0 | 19.0 22.0 | 3.0 4.0 | – |
| 347 H | 0.04 0.10 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0- 19.0 | 9.0 13.0 | – | 10C(Cb+Ta)<1.10% |
| 321 | 0.08 | 2.00 max | 0.75 max | 0.030 max | 0.045 max | 17.0-20.0 | 9.0 12.0 | – | 5C 0.70% |
| Grade | Elongation | Density | Tensile Strength | Yield Strength (0.2%Offset) | Melting Point |
| SS 202 | 40 % | 8.0 g/cm3 | 515 MPa | 275 MPa | 1454 °C (2650 °F) |
| SS 303 | 50 % | 55% | Psi – 85,000 | Psi – 45,000 | Rb 180 |
| SS 304 | 40% | 8.0 g/cm3 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1400 °C (2550 °F) |
| SS 304L | 40% | 8.0 g/cm3 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1400 °C (2550 °F) |
| SS 316 | 35 % | 8.0 g/cm3 | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 1454 °C (2650 °F) |
| SS 316L | 40 % | 8.0 g/cm3 | 485 Min | 170 Min. | 1400 °C (2550 °F) |
| Diameter | Weight Chart | Dia | Weight Chart |
|---|---|---|---|
| (mm) | per metre (kg) | (in) | per metre (kg) |
| 3mm | 0.06 | 1/8″ | 0.06 |
| 4mm | 0.10 | 3/16″ | 0.14 |
| 5mm | 0.16 | 1/4″ | 0.25 |
| 6mm | 0.22 | 5/16″ | 0.39 |
| 7mm | 0.30 | 3/8″ | 0.56 |
| 8mm | 0.40 | 7/16″ | 0.77 |
| 10mm | 0.62 | 1/2″ | 1.00 |
| 12mm | 0.89 | 9/16″ | 1.22 |
| 14mm | 1.22 | 5/8″ | 1.56 |
| 15mm | 1.40 | 11/16″ | 1.89 |
| 16mm | 1.59 | 3/4″ | 2.25 |
| 18mm | 2.01 | 7/8″ | 3.07 |
| 20mm | 2.48 | 1″ | 4.03 |
| 22mm | 3.00 | ||
| 24mm | 3.57 | ||
| 25mm | 3.88 |
| Diameter or Width (mm) | Weight per meter | Sectional Area | Perimeter | |||
| Square (kg) | Round (kg) | Square (cm²) | Round (cm²) | Square (cm) | Round (cm) | |
| 5.0 | 0.20 | 0.15 | 0.25 | 0.20 | 2.0 | 1.57 |
| 5.5 | 0.24 | 0.19 | 0.30 | 0.24 | 2.2 | 1.78 |
| 6.0 | 0.28 | 0.22 | 0.36 | 0.28 | 2.4 | 1.88 |
| 7.0 | 0.38 | 0.30 | 0.49 | 0.38 | 2.8 | 2.20 |
| 8.0 | 0.50 | 0.39 | 0.64 | 0.50 | 3.2 | 2.51 |
| 9.0 | 0.64 | 0.50 | 0.81 | 0.64 | 3.6 | 2.83 |
| 10 | 0.73 | 0.63 | 1.00 | 0.79 | 4.0 | 3.14 |
| 11 | 0.95 | 0.75 | 1.21 | 0.95 | 4.4 | 3.46 |
| 12 | 1.13 | 0.89 | 1.44 | 1.13 | 4.8 | 3.77 |
| 14 | 1.54 | 1.21 | 1.96 | 1.54 | 5.6 | 4.40 |
| 16 | 2.01 | 1.58 | 2.56 | 2.01 | 6.4 | 5.03 |
| 18 | 2.54 | 2.00 | 3.24 | 2.54 | 7.2 | 5.65 |
| 20 | 3.14 | 2.47 | 4.00 | 3.14 | 8.0 | 6.28 |
| 22 | 3.80 | 2.98 | 4.84 | 3.80 | 8.8 | 6.91 |
| 25 | 4.91 | 3.85 | 6.25 | 4.91 | 10.0 | 7.85 |
| 28 | 6.15 | 4.83 | 7.84 | 6.16 | 11.2 | 8.80 |
| 32 | 8.04 | 6.31 | 10.24 | 8.04 | 12.8 | 10.05 |
| 36 | 10.17 | 7.99 | 12.96 | 10.18 | 14.4 | 11.31 |
| 40 | 12.56 | 9.86 | 16.00 | 12.57 | 16.0 | 12.57 |
| 45 | 15.90 | 12.49 | 20.25 | 15.90 | 18.0 | 14.14 |
| 50 | 19.62 | 15.41 | 25.00 | 19.64 | 20.0 | 15.71 |
| 56 | 24.62 | 19.34 | 31.36 | 24.63 | 22.4 | 17.59 |
| 63 | 31.16 | 24.47 | 36.69 | 31.17 | 25.2 | 19.79 |
| 71 | 39.57 | 31.08 | 50.41 | 39.59 | 28.4 | 22.31 |
| 80 | 50.24 | 39.46 | 64.00 | 50.27 | 32.0 | 25.13 |
| Type | SIZES in milimeter | SIZES in inches | Tolerance |
|---|---|---|---|
| Peeled and Polished | 40.00 – 150.00 | 1.50 – 6.00 | h11, h11-DIN 1013 |
| Cold Drawn and Polish | 3.00 to 75.00 | 1/8 to3.00 | h8 to h11 |
| Cold Drawn and Ground | 10.00 to 75.00 | 5/6 to 2.50 | h8 to h11 |
| Peeled nd Ground | 20.00 – 50.00 | 3/4 – 2.00 | h9 to h11 |
Stainless steel bars and rods come in several types: round, square, hexagonal, flat, angle, forged, and cold-drawn, each suited for different applications like structural, manufacturing, and machining purposes.
Stainless steel round bars are known for their high strength, excellent durability, and resistance to corrosion, making them ideal for harsh environments. Their longevity ensures minimal maintenance and long-term performance.
Yes, stainless steel round bars are environmentally friendly. They are highly recyclable, durable, and resistant to corrosion, reducing the need for replacements and minimizing waste. Their longevity promotes sustainability.
Stainless Steel Round Bars and Rods find their way into a wide array of applications across different industries. In construction and infrastructure, they serve as supports, fasteners, and structural components. In the automotive and aerospace sectors, they are utilized in shafts, axles, and precision machined parts. For marine and offshore engineering, grades like 316 are favored for their superior corrosion resistance in saltwater settings. Additionally, chemical processing plants, food and beverage facilities, and pharmaceutical manufacturing rely on these bars for sanitary and corrosion-resistant piping, valves, and mechanical components, ensuring durability, hygiene, and a long service life.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Chuck Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Singapore, Singapore
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