Adam Stainless is a primary producer and supplier of Stainless Steel 304H Bars in Canberra, Australia, providing high-strength bars for improved performance under high-temperature applications. The increased carbon content of 304H improves its mechanical properties, offering superior tensile and creep strength. Produced under severe quality controls, our 304H bars are available to ASTM and ASME standards, ensuring strength and resistance to corrosion. Adam Stainless stands by its promise of delivering precision-engineered products for critical industrial applications. Our 304H Bars are specifically designed for boiler, heat exchanger, and pressure vessel applications where structural integrity and reliability are of utmost importance.
Stainless Steel 304H Bars contain 18–20% chromium, 8–11% nickel, and 0.04–0.10% carbon. This has the effect of enhancing hardness, tensile strength, and creep resistance at high temperatures. The bars have the typical tensile strength of 515–620 MPa, yield strength of 205 MPa, and elongation of 40%. 304H possesses superior resistance to oxidation at temperatures up to 870°C and remains in good toughness and ductility. The integration of heat resistance with mechanical properties makes it ideal for heavy-duty and thermal process uses in applications that demand dependable long-term performance.
| 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.
Adam Stainless Stainless Steel 304H Bars find extensive applications across various sectors like power generation, refineries, and petrochemicals. They are best suited for building pressure vessels, boilers, heat exchangers, and piping systems. The presence of increased carbon content provides greater strength when operating under high stress and temperature. They are also applied in structural and mechanical applications that go through thermal cycling. Their oxidation and corrosion resistance qualify them for chemical processing as well as sea-based industries, providing long-term performance and reliability even in demanding operating conditions.
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