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Boikanyo Sheets and Plates, located in Cape Town, South Africa, stands out as a top manufacturer and supplier of premium stainless steel products, including the Stainless Steel 304H Angle. Known for its precision engineering and remarkable durability, the 304H Angle from Boikanyo is perfect for structural and industrial uses that require outstanding strength and corrosion resistance. Built to meet strict standards, this stainless steel angle offers excellent mechanical properties and reliable performance even in extreme conditions. Boikanyo is committed to crafting every product for long-lasting service, making it a go-to choice for engineers, fabricators, and construction professionals throughout South Africa.
The Stainless Steel 304H Angle is an austenitic stainless steel with a higher carbon content, typically featuring 18–20% chromium, 8–10% nickel, and 0.04–0.10% carbon, which boosts its strength at elevated temperatures. It boasts impressive corrosion resistance, toughness, and formability while remaining stable under thermal stress. In terms of mechanics, 304H has a tensile strength of about 515 MPa, a yield strength of 205 MPa, and an elongation of around 40%, making it ideal for heavy-duty structural applications. Its resistance to oxidation and scaling guarantees long-lasting durability in both indoor and outdoor settings.
| Specifications | ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790 |
|---|---|
| Dimensions | ASTM, ASME and API |
| 304 Pipes & Tubes | 1/2″ NB – 16″ NB |
| ERW 304 Pipes & Tubes | 1/2″ NB – 24″ NB |
| EFW 304 Pipes & Tubes | 6″ NB – 100″ NB |
| Size | 1/8″NB TO 30″NB IN |
| Specialized in | Large Diameter Size |
| Schedule | SCH5, SCH10, SCH20, SCH30, SCH40, Std, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Square, Rectangular, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Lengtd. |
| End | Plain End, Beveled End, Treaded |
| C | MN | SI | P | S | CR | NI | N | |
|---|---|---|---|---|---|---|---|---|
| 304 | 0.07max | 2.0max | 0.75max | 0.045max | 0.03max | min: 18.0 max: 20.0 | min: 8.0 max: 10.5 | — |
| 304H | min: 18.0 max:20.0 | min: 8.0 max: 10.5 | min: 0.04 max:0.10 | 0.75 max | 2.0 max | 0.045 max | 0.03 max | 0.10 max |
| Grade | Tensile Strength ksi (min) | Yield Strength 0.2% ksi (min) | Elongation % | Hardness (Brinell) MAX | Hardness (Rockwell B) MAX |
|---|---|---|---|---|---|
| 304 | 75 | 30 | 40 | 201 | 92 |
| 304H | 75 | 30 | 40 | 201 | 92 |
| STANDARD | WERKSTOFF NR. | UNS |
| SS 304H | 1.4948 | S30409 |
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
The Stainless Steel 304H Angle is extensively utilized in construction, structural frameworks, and industrial fabrication due to its exceptional strength and corrosion resistance. It’s perfect for supporting beams, braces, and trusses in buildings, bridges, and industrial facilities. Moreover, it’s used in chemical processing equipment, pressure vessels, heat exchangers, and high-temperature piping systems, where stability under heat is essential. This material is also found in the manufacturing of machinery, automotive parts, and marine structures, providing longevity and reliability in various demanding environments.
The Stainless Steel 304H Angle offers several advantages, including excellent corrosion resistance, especially in high-temperature environments, making it suitable for applications such as boilers, pressure vessels and more It has excellent weldability and formability, which allows for easy fabrication. The high carbon content of the 304H provides high strength and stability, especially at elevated temperatures. It also provides excellent resistance to oxidation and scaling. This compound is very versatile and can be used in the chemical, petrochemical and food processing industries. Its long-term performance and low cost make it popular in construction applications.
| SS 304 | ||||||
|---|---|---|---|---|---|---|
| Density lbm/in3 | Thermal Conductivity (BTU/h ft. °F) | Electrical Resistivity (in x 10-6) | Modulus of Elasticity (psi x 106 | Coefficient of Thermal Expansion (in/in)/ °F x 10-6 | Specific Heat (BTU/lb/ °F) | Melting Range (°F) |
| at 68°F: 0.285 | 9.4 at 212°F | 28.3 at 68°F | 28 | 9.4 at 32 – 212°F | 0.1200 at 68°F to 212°F | 2500 to 2590 |
| 12.4 at 932 °F | 39.4 at 752°F | 10.2 at 32 – 1000°F | ||||
| 49.6 at 1652 °F | 10.4 at 32 – 1500°F | |||||
| SS 304H | ||||||
| Denstiy lbm/in3 | Coefficient of Thermal Expansion (min/in)-°F | Thermal Conductivity BTU/hr-ft-°F | Specific Heat BTU/lbm -°F | Modules of Elasticity (annealed)2-psi | ||
| at 68 °F | at 68 – 212°F | at 68 – 1600°F | at 212°F | at 932°F | at 32 – 212°F | in tension (E) |
| 0.285 | 9.2 | 11.0 | 9.4 | 12.4 | 0.12 | 29 x 106 |
The stainless steel 304H angle is composed of more carbon than the 304 grade, providing increased strength at elevated temperatures. It is commonly used in applications requiring high thermal resistance such as heat exchangers, boilers and furnace components. Because of its excellent resistance to oxidation and corrosion it is used in chemical process plants, power plants and food processing equipment Improved strength makes it ideal for structural components in industries such as petrochemical, oil and gas and aerospace, where it remains durability and strong heat resistance.
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