Grant Fittings stands out as a trusted manufacturer and supplier of Stainless Steel 304H Pipe Fittings right in the heart of Manila, Philippines. With a strong focus on quality and precision, the company provides an extensive selection of SS 304H pipe fittings, including elbows, tees, reducers, couplings, and caps. The Stainless Steel 304H variant is a high-carbon version of SS 304, specifically crafted for high-temperature applications, delivering enhanced strength and durability when faced with thermal stress. Grant Fittings caters to various industries such as power generation, oil and gas, chemical processing, and refineries throughout the Philippines, ensuring that every product aligns with international standards and meets customer needs.
Specifications : ASTM A403 / ASME SA403
Dimensions : ASME/ANSI B16.9, ASME B16.28, MSS-SP-43
Size : 1/8” NB TO 48” NB. (Seamless & 100% X-Ray Welded, Fabricated)
Type : Seamless / Welded / Fabricated
Bending Radius : R=1D, 2D, 3D, 5D, 6D, 8D, 10D or Custom
Thickness : Sch 5s, Sch 10s, Sch 40s, Sch 80s, Sch 160s, Sch XXS
Stainless Steel 304H Pipe Fittings is a high-carbon 304, used primarily for high temperatures. It generally contains 18-20% chromium, 8-10.5% nickel and a maximum of 0.04-0.10% carbon. The alloy provides excellent resistance to corrosion and oxidation and high resistance to pitting and crack corrosion. Mechanical properties include a tensile strength of 515 MPa (75 ksi), a yield strength of 205 MPa (30 ksi) and an elongation of 40%. It provides excellent weldability and is used in power plants, petrochemical industries and food processing.
| Grade | C | Mn | Si | P | S | Cr | Mo | Ni | N |
| SS 304H | 0.10 max | 2.0 max | 0.75 max | 0.045 max | 0.03 max | 18 – 20 | – | 8 – 10.5 | – |
| Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| 8.0 g/cm3 | 1400 °C (2550 °F) | Psi – 75000 , MPa – 515 | Psi – 30000 , MPa – 205 | 40 % |
The Stainless Steel 304H Pipe Fittings from Grant Fittings are made with elevated levels of chromium and nickel, along with a higher carbon content, which boosts their mechanical strength and oxidation resistance at high temperatures. These fittings are not only excellent in terms of weldability and corrosion resistance but also maintain their structural integrity in high-pressure and high-heat situations. Perfect for service temperatures exceeding 500°C, SS 304H fittings are frequently utilized in heat exchangers, pressure vessels, superheater tubes, and boilers. Grant Fittings guarantees that all fittings are crafted with precision and rigorously tested for long-lasting durability and performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Stainless Steel 304H Pipe Fittings from Grant Fittings offer exceptional corrosion resistance, especially in seawater and harsh environments. They are known for their high strength, durability, and resistance to pitting and crevice corrosion, ensuring long-lasting performance. We provide precise manufacturing, quality control, and reliable service for diverse industrial applications.
| STANDARD | WERKSTOFF NR. | UNS |
| SS 304H | 1.4301 | S30409 |
| Physical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Grade | Density (kg/m3) | Elastic Modulus (GPa) | Electrical Resistivity (n.m) | Thermal Conductivity (W/m.K) | Mean Coefficient of Thermal Expansion (m/m/0C) | Specific Heat 0-1000C (J/kg.K) | |||
| at 1000C | at 5000C | 0-1000C | 0-3150C | 0-5380C | |||||
| 304H | 8000 | 193 | 720 | 16.2 | 21.5 | 17.2 | 17.8 | 18.4 | 500 |
The Stainless Steel 304H Pipe Fittings provided by Grant Fittings are essential in demanding industrial settings where strength, reliability, and heat resistance are paramount. Industries like petrochemical, power generation, thermal processing, and refineries depend on these fittings for safe and efficient operations. Their ability to resist scaling and thermal fatigue makes them ideal for continuous high-temperature applications. Grant Fittings delivers top-notch products that meet the rigorous demands of these industries.
Yes, custom sizes are available for Stainless Steel 304H Pipe Fittings to meet specific requirements. We offer tailored solutions to ensure precise fit and performance for various applications. For more information, please contact us at sales@grantfittings.com.
Stainless steel 304H pipe fittings are widely used at high temperatures and pressures due to their corrosion resistance and excellent strength They are commonly found in industries such as chemical processing, power generation, petrochemical fields etc. They are ideal for hot water, gas and hot water applications. It is also used in medicine, providing long-term reliability. The ability to withstand high temperatures (up to 870°C) makes them suitable for boiler heat exchanger systems, providing durability and efficiency in harsh environments
Get in touch with one of our Technical Sales Representatives to request a quote or get answers to any questions you may have.




















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