Luois Metals, a reputable manufacturer and supplier located in Houston, USA, specializes in high-quality Stainless Steel 303 Hex Bars and Rods. These products are crafted for exceptional machinability, durability, and moderate corrosion resistance. Utilizing cutting-edge technology and rigorous quality control, Luois Metals ensures that their hex bars and rods deliver outstanding dimensional accuracy, a smooth surface finish, and reliable strength. Stainless Steel 303 is known for being a free-machining austenitic stainless steel, making it perfect for precision machining and high-volume production settings. It’s commonly found in automotive, aerospace, food processing, and various industrial applications, with Luois Metals committed to meeting international standards and the diverse needs of their customers.
The composition of Stainless Steel 303 Hex Bars and Rods includes 17–19% chromium, 8–10% nickel, and a higher sulfur content (at least 0.15%) to boost machinability, along with iron making up the rest. This blend offers good tensile and yield strength, excellent wear resistance, and remarkable ease of machining compared to other austenitic stainless steels. Although its corrosion resistance is slightly less than that of grade 304 due to the sulfur content, Stainless Steel 303 still performs admirably in mild environments. It also boasts good toughness, stability, and formability, making it a great choice for precision-engineered applications.
Dimensions : ASTM, ASME
Standard : ASTM / ASME SA A276, A479, ASTM A493
Length : Random, Fix & Cut Length
Size : 20MM to 150MM
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| Stainless Steel 303 | 0.15 max | 2 max | 1 max | 0.20 max | 0.15 min | 17.0-19.0 | – | 8 – 10 |
| Element | Tensile Strength | Yield Strength | Elongation | Reduction in Area | Hardness |
| SS 303 | Psi – 85,000 | Psi – 45,000 | 50% | 55% | Rb 180 |
| Element | Density, lb/in3 | Modulus of Elasticity, psi | Linear Expansion, 68-212°F, /°F | Thermal Conductivity, Btu/ft hr°F | Heat Capacity, Btu/lb°F | Electrical Resistivity, Ω-inch |
| SS 303 | 0.285 | 29 x 106 | 9.4 x 10-6 | 8.7 | 0.12 | 27.6 x 10-6 |
| HEXAGONS | ||
|---|---|---|
| Size(mm) | WT PER FEET IN KGS | WT PER MTR IN KGS |
| 16 | 0.55 | 1.79 |
| 18 | 0.69 | 2.27 |
| 20 | 0.85 | 2.80 |
| 22 | 1.03 | 3.39 |
| 25 | 1.33 | 4.38 |
| 28 | 1.67 | 5.49 |
| 30 | 1.92 | 6.30 |
| 32 | 2.19 | 7.17 |
| 36 | 2.77 | 9.07 |
| 38 | 3.08 | 10.11 |
| 40 | 3.41 | 11.20 |
| 45 | 4.32 | 14.18 |
| 50 | 5.34 | 17.50 |
| 56 | – | – |
| 60 | – | – |
| 65 | – | – |
| 70 | – | – |
| 75 | – | – |
| 80 | – | – |
| 90 | – | – |
| 100 | – | – |
Stainless Steel 303 offers excellent machinability due to sulfur addition, good corrosion resistance, high toughness, and decent strength. It's ideal for precision machining, retaining mechanical properties while being easily cut.
Stainless Steel 303 has superior machinability due to added sulfur but slightly reduced corrosion resistance compared to 304 or 316. It balances easy machining with moderate corrosion resistance for non-critical environments.
Common finishes for Stainless Steel 303 hex bars/rods include polished, brushed, and matte finishes. Treatments like passivation improve corrosion resistance, while electropolishing enhances durability and appearance. Protective coatings and bead blasting offer additional surface refinement options.
These Stainless Steel 303 Hex Bars and Rods are widely utilized in the production of nuts, bolts, screws, shafts, fittings, and other fasteners where machining efficiency is key. They’re also extensively used in aerospace components, automotive parts, food processing equipment, and general engineering tasks. The hexagonal shape allows for easy gripping and assembly in mechanical applications, making them ideal for machine parts and precision tools. Luois Metals guarantees that their Stainless Steel 303 Hex Bars and Rods are produced to strict quality standards, ensuring excellent machinability, durability, and dependable performance across a range of industrial and commercial uses.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Louis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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