Njabulo Stainless, based in Cape Town, South Africa, is a reputable manufacturer and supplier of top-quality Stainless Steel 304H bars. Renowned for their exceptional craftsmanship and dependable supply chain, Njabulo Stainless serves various industries, including construction, petrochemical, power generation, and marine. Their Stainless Steel 304H bars are specifically engineered to withstand high temperatures and corrosive environments, offering outstanding strength, durability, and resistance to oxidation. Manufactured to comply with international standards, these bars are perfect for applications that require robust mechanical properties and long-lasting performance in challenging industrial conditions.
Stainless Steel 304H bars are made from an austenitic stainless steel alloy with a carbon content ranging from 0.04% to 0.10%, which boosts strength at elevated temperatures. The alloy composition features 18–20% chromium, 8–11% nickel, along with controlled levels of manganese, silicon, phosphorus, and sulfur. These bars provide a tensile strength of at least 515 MPa and a yield strength of 205 MPa, along with good elongation and toughness. Their ability to resist scaling and oxidation at high temperatures ensures they maintain their structural integrity even in harsh, heat-intensive applications.
| Stainless Steel 304H Round Bar Specification | ASTMA276 / A479, ASME SA276 / A479 |
|---|---|
| Dimensions | EN, DIN, JIS, ASTM. BS, ASME, AISI |
| Size | 14mm ~ 300mm |
| Thickness | 50 mm to 600 mm Long |
| Length | 2mm ~ 100 mm 1 to 6 Meters, Custom Cut Length |
| Form | Round, Square, Hexagonal, Rectangular |
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N | |
|---|---|---|---|---|---|---|---|---|---|---|
| 304H | min. | 0.04 | – | – | – | – | 18.0 | – | 8.0 | – |
| max. | 0.10 | 2.0 | 0.75 | 0.045 | 0.030 | 20.0 | – | 10.5 | – | |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
|---|---|---|---|---|---|
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 304H | 515 | 205 | 40 | 92 | 201 |
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we ensures premium quality stainless steel 304H bar through rigorous testing and certification programs. Our tapes undergo mechanical, chemical and non-destructive testing to meet international standards. Certified in ISO compliant material testing reports (MTRs), each material provides reliability, durability and performance for a variety of industrial applications
Stainless Steel 304H Round Bars are ideal for high-temperature applications, available in diameters ranging from 6mm to 500mm. These bars provide excellent strength and durability, perfect for use in pressure vessels and industrial boilers.
Stainless Steel 304H Flat Bars offer enhanced heat resistance and are available in thicknesses from 3mm to 100mm, and widths from 12mm to 300mm. Suitable for construction, automotive, and industrial applications requiring high strength and thermal stability.
Stainless Steel 304H Square Bars provide excellent mechanical properties, available in sizes ranging from 6mm to 150mm. Ideal for use in structural and architectural applications where high strength and heat resistance are essential.
Stainless Steel 304H Rectangular Bars are used in construction and industrial applications, available in thicknesses from 3mm to 100mm, and widths from 10mm to 200mm. These bars offer superior durability and heat resistance for demanding environments.
Stainless Steel 304H Hexagonal Bars are perfect for use in fasteners and fittings, available in sizes from 6mm to 100mm across flats. They provide high strength and excellent resistance to high temperatures, making them ideal for industrial applications.
Stainless Steel 304H T Bars offer excellent structural support, available in sizes from 20mm to 100mm in width. These bars are suitable for construction and architectural applications, providing high strength and thermal stability.
Stainless Steel 304H bars are extensively utilized in industries that require high strength and corrosion resistance at elevated temperatures. They play a crucial role in manufacturing components for pressure vessels, boilers, heat exchangers, and structural frameworks in petrochemical and power plants. Moreover, these bars are also used in automotive parts, marine equipment, and heavy machinery where durability under thermal and mechanical stress is essential. Their versatility and strength make 304H bars a go-to choice for long-term industrial and structural applications.
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