Starc Metals is a reputable manufacturer and supplier located in Canberra, Australia, focusing on high-performance Stainless Steel 304H Bars and Rods. Known for their commitment to quality, precision, and reliability, Starc Metals provides stainless steel products that adhere to international standards and meet a variety of industrial needs. With state-of-the-art production facilities, they ensure outstanding dimensional accuracy, surface finish, and mechanical strength. Catering to sectors like petrochemical, construction, marine, and power generation, Starc Metals has built a solid reputation for delivering corrosion-resistant and heat-tolerant stainless steel solutions throughout Australia and beyond, guaranteeing long-lasting performance even in tough applications.
Stainless Steel 304H Bars and Rods are high-carbon versions of 304 stainless steel, crafted to deliver exceptional strength and creep resistance at high temperatures. Their makeup includes chromium (18–20%), nickel (8–10.5%), carbon (0.04–0.10%), along with manganese, silicon, and iron as the balance. In terms of mechanical properties, they boast a minimum tensile strength of 515 MPa, yield strength of 205 MPa, and an elongation of about 40%. This alloy is known for its excellent toughness, oxidation resistance, and mechanical stability, making it perfect for high-temperature settings where both strength and corrosion resistance are crucial.
| 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).
Stainless Steel 304H Bars and Rods find extensive use in applications that demand strength and durability in high temperatures and corrosive environments. They are particularly suited for heat exchangers, boilers, pressure vessels, and superheater tubes in the power and chemical industries. Their enhanced creep strength makes them ideal for elevated-temperature service conditions. Additionally, they are utilized in refineries, petrochemical plants, and structural components that are exposed to heat. With their excellent weldability and formability, Stainless Steel 304H Bars and Rods are the go-to choice for fabrications where heat resistance and long-term reliability are essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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