Hemi Metals, located in Hamilton, New Zealand, is a reliable manufacturer and supplier of high-performance Stainless Steel 310 Hollow Bars, designed for industrial applications that demand resistance to extreme temperatures and oxidation. These hollow bars are crafted with meticulous attention to dimensional accuracy, advanced production techniques, and adherence to international quality standards, making them ideal for continuous high-heat service. Known for their exceptional thermal stability and outstanding oxidation resistance, SS 310 hollow bars from Hemi Metals boast a long operational life. They are supplied to various sectors, including furnace manufacturing, petrochemical processing, power generation, and heavy engineering, where structural reliability in high-temperature conditions is crucial.
Stainless Steel 310 Hollow Bars are composed of about 24–26% chromium and 19–22% nickel, providing remarkable resistance to oxidation, scaling, and high-temperature corrosion. This rich chromium-nickel blend ensures that the bars maintain their strength even at elevated temperatures. Typically, SS 310 hollow bars exhibit tensile strength ranging from 515–550 MPa and yield strength around 205 MPa, along with impressive creep resistance and impact toughness. The material retains its ductility and mechanical integrity, even when exposed to temperatures exceeding 1000°C for extended periods.
| Standard | ASTM A276 / A479, ASME SA276 / A479 |
| Round Bar Size | 3mm ~ 800mm |
| Square Bar Size | 4mm x 4mm ~ 100mm x 100mm |
| Flat Bar Size | 2mm ~ 100mm |
| Hex Bar Size | 2mm ~ 100mm |
| Angle Size | 3mm x 20mm x 20mm ~ 12mm x 100mm x 100mm |
| Thickness | 50 mm to 6000 mm Long |
| Length | 1 To 6 Meters, Custom Cut Length |
| Form | Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 310 | 0.015 max | 2.0 max | 0.15 max | 0.020 max | 0.015 max | 24 – 26 | 0.10 max | 19 – 21 | 54.7 min |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 7.9 g/cm3 | 1402 °C (2555 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
The high chromium (25-30%) and nickel (20-22%) content in SS 310 enhances its corrosion resistance by forming a protective oxide layer on the surface, which shields the material from aggressive chemicals, oxidation, and high-temperature corrosion in harsh environments.
SS 310 Hollow Bars are commonly used in industries such as petrochemical, chemical processing, power generation, and food processing. These bars are essential for components exposed to high temperatures, corrosion, and extreme conditions, including furnace parts and heat exchangers.
Stainless Steel 310 Hollow Bars find extensive use in high-temperature industrial settings where both strength and oxidation resistance are paramount. They are commonly utilized in furnace tubes, radiant heating systems, burner components, heat exchangers, thermal processing equipment, and combustion chambers. These bars are heavily relied upon in petrochemical refineries, thermal power plants, cement plants, and metallurgical processing units. Additionally, SS 310 hollow bars are used in annealing lines, incinerators, and high-temperature structural supports, thanks to their ability to endure extreme heat, thermal cycling, and mechanical stress.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Hemi Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hamilton New Zealand
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