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Nial Sheets and Plates, located in Houston, USA, is a reputable manufacturer and supplier of Stainless Steel 304H Angle, known for delivering top-notch products designed for high-temperature and high-stress applications. We specialize in providing durable stainless steel materials that meet the needs of industries looking for strong structural solutions and exceptional heat resistance. Our 304H Angles are perfect for environments with elevated temperatures, thanks to their higher carbon content and impressive mechanical strength. With a strong focus on quality, reliability, and customer satisfaction, Nial Sheets and Plates is dedicated to supplying trustworthy stainless steel products across various industrial sectors in the United States.
Stainless Steel 304H Angle is a high-carbon variant of 304 stainless steel, featuring 18–20% chromium, 8–11% nickel, and a carbon content ranging from 0.04–0.10%. This boost in carbon enhances its strength at high temperatures and improves creep resistance. It boasts a tensile strength of about 585 MPa and a yield strength of around 290 MPa. The alloy also maintains excellent oxidation resistance and solid mechanical properties, even when exposed to high temperatures. 304H is particularly well-suited for applications that involve extended heat exposure while still offering corrosion resistance comparable to standard 304 stainless steel.
| 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.
Nial Sheets and Plates based in Houston, USA, is a leading supplier and stockist of high-quality metal products, including Sheets, Plates, Coils, Foils, Angles, Channels, Circles, and Slitting Coils, all offered with exceptional service and tailored to meet our customers specific requirements. With a focus on delivering superior products, we cater to a wide range of industries, providing reliable solutions for diverse applications. Our extensive inventory includes Known for our unique finishing techniques and commitment to quality. We are dedicated to ensuring customer satisfaction through dependable service and top-notch products.
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 |
Stainless Steel 304H Angles find extensive use in industries that require high strength and outstanding performance in elevated temperature settings. Typical applications include heat exchangers, boilers, superheaters, and pressure vessels in the power generation, chemical processing, and petrochemical sectors. The material’s superior creep resistance makes it ideal for furnace components, piping systems, and structural supports in thermal environments. Additionally, it’s utilized in construction and fabrication where both strength and corrosion resistance are essential. 304H Angles provide structural reliability and durability in challenging and demanding industrial conditions.
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