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Saif Sheets and Plates, a trusted manufacturer and supplier based in Muscat, Oman, offers premium-quality Stainless Steel 304H Angles, designed for high-temperature and high-strength applications. Known for delivering reliable materials backed by attentive customer service, the company ensures every angle meets rigorous global standards. Stainless Steel 304H, with its enhanced carbon content, provides superior strength at elevated temperatures, making it a preferred choice in heat-intensive industries. Saif Sheets and Plates combines advanced manufacturing expertise with a customer-first approach to offer durable, high-performance angles that support long-term efficiency and structural stability across a wide range of industrial projects.
Stainless Steel 304H is an austenitic stainless steel containing chromium and nickel, with a higher carbon content than standard 304 to enhance high-temperature strength. This composition gives the alloy excellent tensile and yield strength, improved creep resistance, and stable mechanical performance at elevated temperatures. SS 304H offers good corrosion resistance, reliable toughness, and strong weldability. It retains structural integrity under thermal stress, making it ideal for environments with fluctuating or sustained high heat. These combined properties make 304H a dependable material for heavy-duty and heat-intensive applications.
| 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.
Saif Sheets and Plates based in Muscat, OMAN, 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 are widely used in industries requiring high-temperature strength, structural stability, and corrosion resistance. They are ideal for boilers, heat exchangers, refinery units, pressure vessels, and high-temperature piping systems. In the petrochemical and power generation sectors, 304H angles perform well in components exposed to continuous thermal cycling. They are also used in construction frameworks, machinery support structures, and fabrication projects requiring enhanced strength. Their durability and high-temperature reliability make them suitable for furnace parts, exhaust systems, and chemical processing equipment. SS 304H Angles deliver long-lasting performance where heat resistance and structural integrity are essential.
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