Tim Fittings stands out as a trusted manufacturer and supplier of Stainless Steel 304H Pipe Fittings right here in Wellington, New Zealand. We pride ourselves on delivering top-notch fittings that are specifically designed for applications where strength is crucial, especially at high temperatures. Our dedication to precision engineering and adherence to strict quality standards means that every pipe fitting we produce meets both local and international regulations. We cater to a variety of industries, including power generation, chemical processing, and food production, providing durable and corrosion-resistant fittings that are relied upon throughout New Zealand. Tim Fittings is well-known for our dependable products, prompt delivery, and outstanding customer service.
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 % |
Our Stainless Steel 304H Pipe Fittings are crafted from a high-carbon version of the widely used 304 stainless steel grade, which contains about 18–20% chromium and 8–10% nickel. The increased carbon content enhances tensile strength and creep resistance at elevated temperatures, making 304H the go-to choice for pressure vessels, boilers, and heat exchangers that operate in high-heat settings. These fittings typically boast a tensile strength of around 515 MPa and a yield strength close to 205 MPa, along with excellent ductility and corrosion resistance, particularly in oxidizing environments. This performance ensures safety and durability in critical piping systems.
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 Tim 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 |
Stainless steel 304H pipe fittings provide excellent corrosion resistance, making it ideal for high temperature applications. The high carbon content of 304H enhances its strength and durability at high temperatures, especially in power plant, petrochemical, food processing and other applications These materials are resistant to oxidation and scaling, and it makes it work longer. They exhibit excellent weldability and formability, making them easy to install. In addition, the 304H fitting is extremely versatile, provides reliability in both acidic and alkaline environments, and is stress resistant, providing safety in critical applications
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@timfittings.co.nz.
You’ll find Stainless Steel 304H Pipe Fittings commonly used in high-temperature settings like power plants, petrochemical facilities, refineries, and thermal processing industries. They are designed to handle components that experience cyclic heating and cooling, offering resistance to oxidation and thermal fatigue. In the food and pharmaceutical sectors, 304H fittings maintain hygienic conditions while enduring temperature fluctuations. Throughout Wellington and across New Zealand, Tim Fittings is your reliable source for expertly engineered 304H pipe fittings.
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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