Ed Stainless Manufacturer and Suppliers, located in Houston, Texas, stands out as a top-notch provider of high-quality Stainless Steel 321H Tubing. Known for their precision engineering and robust products, Ed Stainless delivers tubing solutions that are specifically designed to meet the rigorous demands of various industrial applications. With a strong focus on excellence and customer satisfaction, they ensure that every product adheres to industry standards. Their extensive manufacturing capabilities and streamlined supply chain have earned them a solid reputation in the stainless steel industry across Texas and the USA. Customers trust Ed Stainless for dependable, corrosion-resistant 321H stainless steel tubing that performs exceptionally well in extreme environments.
The Stainless Steel 321H Tubing from Ed Stainless boasts a well-balanced mix of chromium (17-19%), nickel (9-12%), and carbon (0.04-0.10%), along with stabilizing titanium to boost high-temperature strength and corrosion resistance. This alloy is particularly effective against intergranular corrosion, especially in welded components. On the mechanical side, 321H tubing shows a tensile strength of about 75 ksi (515 MPa) and a yield strength close to 30 ksi (205 MPa), all while maintaining good ductility and toughness. These characteristics guarantee reliable performance under high thermal stress and pressure, making Ed Stainless’ 321H tubing a robust choice for demanding industrial applications.
Standard ASTM A/ASME SA213/A249/A269/A312/A358 CL. I to V ASTM A789/A790
Dimensions ASTM, ASME and API
Range 1/2″ NB TO 24″ NB IN SCH 5, 10, 20, 40, STD, 60, 80, XS, 100, 120, 140, 160 & XXS as Per NACE MR 01 75
Thickness 0.3mm – 50 mm
Outer Diameter 6.00 mm OD up to 914.4 mm OD
Schedule SCH 10, SCH20, SCH30, SCH40, STD, SCH60, XS, SCH80, SCH120, SCH140, SCH160, XXS
Type Seamless / ERW / Welded/ Fabricated
Form Round, Square, Rectangular, Hydraulic, etc.
Length Single Random, Double Random & Cut Length
| Grade | C | Mn | Si | P | S | Cr | N | Ni | Ti |
| SS 321 | 0.08 max | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 5(C+N) – 0.70 max |
| SS 321H | 0.04 – 0.10 | 2.0 max | 1.0 max | 0.045 max | 0.030 max | 17.00 – 19.00 | 0.10 max | 9.00 – 12.00 | 4(C+N) – 0.70 max |
| Element | Grade 904L |
|---|---|
| Density | 8 |
| Melting Range | 1300 -1390 ℃ |
| Tensile Stress | 490 |
| Yield Stress (0.2%Offset) | 220 |
| Elongation | 35% minimum |
| Hardness (Brinell) | – |
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We ensures the highest standards for its stainless steel 321H tubing through rigorous testing and certification processes. Each tube undergoes a thorough evaluation, including hydrostability, chemical testing and mechanical testing. Certified to international standards such as ASTM and ASME, these containers provide reliability, durability and high performance in demanding industrial applications.
This tubing is available in sizes ranging from 1/8″ to 24″ in outer diameter. It offers excellent corrosion resistance, especially against intergranular corrosion after exposure to temperatures in the chromium carbide precipitation range of 427-816°C. Ideal for high-temperature applications requiring a continuous, strong, and uniform surface.
Available in dimensions from 1/8″ to 36″ in outer diameter, this tubing is known for its high resistance to stress and pitting corrosion. It’s frequently used in chemical processing and other high-temperature applications due to its robust performance under harsh conditions. The welding process ensures a strong, durable, and leak-proof seam
These tubes come in sizes from 1/4″ to 1″ in outer diameter, designed for excellent thermal conductivity and corrosion resistance. Ideal for high-temperature and high-pressure environments, they are used in industries such as petrochemical and power generation. Their composition resists scaling and oxidation even at elevated temperatures.
Offered in sizes from 1/8″ to 2″ in outer diameter, this tubing provides superior resistance to corrosion and high temperatures. It is used in precision instrumentation and control systems, ensuring reliable performance and accurate measurements. The tubing’s stability at high temperatures ensures minimal expansion and contraction.
These tubes, ranging from 1/2″ to 5″ in outer diameter, are designed to withstand high-pressure and high-temperature environments typical in boiler systems. They offer excellent corrosion resistance, especially against steam and hot gases. Their durability ensures long service life and reliability in energy and industrial applications.
Available in sizes from 1/4″ to 1″ in outer diameter, U-tubes are essential for heat exchanger applications requiring a compact and efficient design. They provide excellent corrosion resistance and thermal stability, making them suitable for use in petrochemical, oil refining, and power generation industries. The U-shape allows for efficient heat transfer in limited spaces.
These tubes come in sizes ranging from 1/4″ to 1″ in outer diameter and are designed for use in condenser applications where efficient heat transfer and resistance to corrosion are critical. They are commonly used in power plants, HVAC systems, and refrigeration. The tubes ensure minimal fouling and scaling over prolonged use.
Fin tubes are available in sizes from 1/2″ to 2″ in outer diameter, designed to enhance heat transfer efficiency in various industrial applications. The addition of fins increases the surface area, improving thermal performance. These tubes offer excellent resistance to high-temperature oxidation and corrosion, making them ideal for heat exchangers and boilers.
Ed Stainless’ Stainless Steel 321H Tubing is widely utilized across various industries thanks to its exceptional heat resistance and durability. It’s perfect for high-temperature settings like aerospace, chemical processing, power generation, and petrochemical plants. This tubing is often found in heat exchangers, furnace parts, exhaust systems, and reactors where corrosion resistance and mechanical strength are essential. Moreover, its ability to resist oxidation and stress corrosion cracking makes it an ideal fit for automotive and aerospace components that face extreme conditions. Ed Stainless is committed to ensuring that their 321H tubing meets the highest standards.







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