Phehlukwayo Metal, a prominent manufacturer and supplier located in Cape Town, South Africa, is dedicated to delivering top-notch Stainless Steel 304H Bars and Rods for both industrial and commercial uses. Renowned for its unwavering commitment to precision, reliability, and customer satisfaction, the company provides products that adhere to strict international standards. With a keen emphasis on durability and performance, Phehlukwayo Metal ensures that its stainless steel products serve a diverse array of sectors, including construction, engineering, and manufacturing. Their deep expertise in metallurgy and quality control positions them as a trusted partner for clients in need of strong and corrosion-resistant steel solutions.
Stainless Steel 304H Bars and Rods are a type of austenitic stainless steel with a higher carbon content, which boosts their strength at elevated temperatures. Typically, they consist of 18–20% chromium, 8–10% nickel, and a maximum of 0.10% carbon, along with small amounts of manganese, silicon, and phosphorus. This specific composition provides excellent resistance to oxidation and corrosion while ensuring toughness and ductility. In terms of mechanical properties, 304H bars and rods showcase high tensile strength, good yield strength, and impressive toughness, making them perfect for heavy-duty applications. Their superior performance at high temperatures guarantees reliable operation in challenging environments.
| Grade | Stainless Steel 304H (UNS S30409) |
|---|---|
| Specification | ASTM A276, ASTM A479 |
| Round bar size | Diameter: 3-~800mm |
| Hex Bar size | 2-100mm A/F |
| Flat bar size | Thickness: 2 -100mm |
| Width: 10 to 500mm | |
| Hollow Bar | 32 OD x 16 ID to 250 OD x 200 ID |
| Square bar size | 4 to 100mm |
| Section | 3.0 to 12.0mm thickness |
| Rectangles Size | 33 x 30mm to 295 x 1066mm |
| Billet Size | 1/2″ to 495mm Diameter |
| Channel Bar | 80 x 40 to 150 x 75 mm section; 5 to 6 mm thickness |
| Hollow Bar | 32mm OD x 16mm ID to 250mm OD x 200mm ID) |
| Angle bar size | 3*20*2~12*100*100 mm |
| Form | Rings, Profiles, Hollow, Flat Bar, Square, Round, Rectangle, Triangle, Rod, Half Round Bar, T-Bar, Hex (A/F), Precision Ground Bar, Channel Bar, Blocks, Round Rod, Threaded, Billet, Ingot, I/H Bar, Forging etc. |
| Technique | Cold Drawn, Rod, Hot Rolled, Cold Rolled, Forged Round Bar |
| Condition | annealed, Hardened & tempered |
| Surface | Cold Drawn, Polished, Bright, Hot Rolled Pickled, Sand Blasting Finished,Hairline |
| Element | SS 304H |
| C | 0.10 max |
| Ni | 8.0 – 10.5 |
| P | 0.045 max. |
| Mn | 2.00 max |
| Si | 0.75 max |
| S | 0.03 max. |
| Cr | 18.0 – 20.0 |
| Element | SS 304H |
| Melting Point | 1400 ℃ |
| Density | 8 |
| Hardness (Brinell) | 201 |
| Yield Strength (0.2%Offset) | 205 |
| Tensile Strength | 515 |
| Elongation | 40 |
|
Type |
SIZES (Inches) |
ISO Tolerance |
SIZES (mm) |
|---|---|---|---|
|
Peeled and Polished |
1.50″ to 6.00″ |
h11-DIN 1013 |
40.00 to 150.00 |
|
Cold Drawn and Ground |
5/6″ to 2.50″ |
h9-h8-h11-h10 |
10.00 to 75.00 |
|
Cold Drawn and Polish |
1/8″ to 3.00″ |
h9-h8-h11-h10 |
3.00 to 75.00 |
|
Peeled and Ground |
3/4″ to 2.00″ |
h10-h9-h11 |
20.00 to 50.00 |
| STANDARD | UNS | WERKSTOFF NR. |
| SS 304H | S30409 | 1.4301 |
Stainless Steel 304H has a higher carbon content (0.04–0.10%), which enhances its strength and heat resistance, making it suitable for high-temperature applications compared to 304 and 304L.
Industries such as petrochemical, power generation, chemical processing, and construction use Stainless Steel 304H for applications like heat exchangers, boilers, pressure vessels, and structural components.
Yes, Stainless Steel 304H is designed for excellent performance in high-temperature environments, maintaining strength and corrosion resistance in conditions up to 870°C (1600°F).
These Stainless Steel 304H Bars and Rods are extensively utilized in industries that demand high strength and corrosion resistance at elevated temperatures. They are particularly well-suited for heat exchangers, boilers, pressure vessels, and furnace components, where durability and thermal stability are essential. Moreover, they are commonly found in chemical processing equipment, petrochemical plants, and food processing machinery due to their hygienic properties and ability to withstand harsh conditions. Additionally, 304H bars and rods are employed in architectural structures, pipelines, and industrial machinery, providing long-lasting performance and reliability even in tough environments.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Phehlukwayo Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Cape Town, South Africa
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