George Metals, a reliable manufacturer and supplier based in Houston, USA, specializes in top-notch Stainless Steel 304H Bars and Rods designed for high-temperature and pressure-resistant applications. This high-carbon variant of 304 offers improved strength and creep resistance when the heat is on. Crafted according to ASTM A276 and A479 standards, these bars and rods boast outstanding corrosion resistance, durability, and weldability. George Metals provides a variety of sizes, lengths, and finishes, serving essential industries like power generation, heat exchangers, petrochemical plants, and industrial fabrication, where mechanical performance under stress is crucial.
Stainless Steel 304H Bars and Rods consist of 18–20% Chromium, 8–11% Nickel, and a higher carbon content (0.04–0.10%), which boosts their strength at elevated temperatures. This austenitic stainless steel offers a tensile strength range of 515–750 MPa and remarkable creep resistance. It retains formability and weldability, making it perfect for pressure vessels and heat-intensive applications. George Metals maintains rigorous quality control, ensuring that their 304H bars deliver consistent mechanical integrity, precise dimensions, and a smooth surface finish, making them ideal for demanding structural and thermal 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 Bars and Rods are perfect for applications that demand exceptional performance under high temperatures and pressures. They’re commonly found in power plants, boilers, and heat exchangers, with 304H being the go-to choice for superheater tubes and steam piping. The petrochemical and oil & gas industries utilize these bars in reactors, pressure vessels, and high-temperature piping systems. Their impressive strength and oxidation resistance also make them suitable for furnace parts and structural components in thermal plants. George Metals delivers precision-finished 304H bars tailored to meet the critical needs of industries operating in these challenging environments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
George Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Houston, USA
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