Weston Stainless, Midland, UK, is a reliable supplier of superior stainless steel materials for numerous industrial processes. Their Stainless Steel 330 Tubing, an austenitic nickel-chromium-iron alloy, provides outstanding resistance to oxidation, carburization, and thermal cycling in severe temperatures. Produced to ASTM B535 standards, SS 330 tubing comes in seamless, welded, and fabricated formats, thus greatly versatile. This tubing possesses superior high-temperature strength and thermal stability and is well suited for uses that require exposure to heat for long durations, including furnace parts, heat exchangers, and petrochemical processing equipment.
Stainless Steel 330 Tubing is comprised of 34-37% nickel, 17-20% chromium, iron as the base, and traces of silicon, manganese, and carbon. It has a tensile strength of 550 MPa, yield strength of 260 MPa, and elongation of 30%. Physical properties are a density of 7.9 g/cm³, melting point of 1400-1425°C, and thermal conductivity of 12.1 W/m-K. The properties of SS 330 tubing make it strongly resistant to thermal expansion, creep deformation, and oxidation under high-temperature conditions.
| Specifications | : | ASTM B163, B516 / ASME SB163, B516 |
| Dimensions | : | ASTM, ASME and API |
| Alloy 800/800H/800HT Tubes Size | : | 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk. |
| Schedule | : | SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS |
| Type | : | Seamless / ERW / Welded / Fabricated / LSAW Tubes |
| Form | : | Round, Square, Rectangular, Hydraulic Etc |
| Length | : | Single Random, Double Random & Cut Length. |
| End | : | Plain End, Beveled End, Treaded |
Grade | C | Mn | Si | N | Cr |
330/SS330/Ra330 | 0.08 max | 2 max | 0.75-1.50 max | 34.00 – 37.00 | 17.00 – 20.00 |
| Grade | Tensile Strength (MPa) min | Yield Strength 0.2% Proof (MPa) min | Elongation (% in 50mm) min | Hardness | |
| Rockwell B (HR B) max | Brinell (HB) max | ||||
| 330 | – | – | – | – | – |
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Stainless Steel 330 Tubing has extensive applications in petrochemical, power generation, furnace manufacturing, and heat treatment processes. It is suited for high-temperature structural applications like annealing covers, combustion chambers, industrial boilers, and radiant heating components. Its high resistance to thermal shock, scaling, and carburization make it precious for kiln linings, exhaust systems, aerospace components, and chemical processing machinery. SS 330 tubing maintains durability and dependability in adverse industrial environments.
Available in sizes ranging from 1/8″ to 4″ in outer diameter. It offers excellent resistance to oxidation and carburization at high temperatures. This tubing is ideal for applications requiring high strength and durability.
Produced in sizes from 1/4″ to 6″ in outer diameter. It provides superior resistance to corrosion and scaling, making it suitable for harsh environments. The welding process ensures a robust and reliable structure for various industrial uses.
Available in diameters ranging from 1/4″ to 3″. It is designed to resist high-temperature oxidation and thermal cycling. These tubes are commonly used in heat exchangers for efficient thermal transfer and longevity.
Comes in sizes from 1/8″ to 1″. It is known for its excellent corrosion resistance and ability to withstand extreme temperatures. This tubing is ideal for precise instrumentation applications in various industries.
Available in sizes ranging from 1/2″ to 5″ in outer diameter. They offer exceptional resistance to high-temperature oxidation and stress corrosion. These tubes are essential for boiler systems requiring high reliability and performance.
Produced in various diameters, typically from 1/4″ to 2″. They are known for their high resistance to scaling and carburization at elevated temperatures. These U-shaped tubes are used in heat exchangers and other thermal systems.
Excellent resistance to high-temperature oxidation and chemical corrosion. These tubes are designed for use in condensers where efficient heat transfer and durability are crucial.
Weston Stainless offers Mill Test Certificates (MTC) according to EN 10204 3.1, in accordance with international quality standards. The tubing is safely packaged in wooden crates, plastic cap ends, or in materials for protection against damage during shipping. With an extensive logistics network, Weston Stainless guarantees safe and on-time global deliveries, satisfying the rigorous requirements of many industries with high-quality, performance-oriented products.
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