Weston Stainless, located in Midland, UK, is a reliable provider of stainless steel products of high quality that are long-lasting and resistant to corrosion for use across industries. One of its premium materials includes Stainless Steel 443 Tubing, which boasts remarkable resistance to corrosion, superior oxidation properties, and high durability. It falls under the category of Grade 443 and comes in various shapes like round, square, and rectangular along with seamless, welded, and ERW types. Produced from ferritic stainless steel, it contains high chromium levels, offering improved resistance to heat and oxidation, which makes it appropriate for use in automotive exhaust systems, heat exchangers, and structural frames.
Stainless Steel 443 Tubing mainly contains iron with 18-23% chromium, which increases its corrosion and oxidation resistance. It also has traces of titanium, molybdenum, and niobium, which improve its good mechanical properties. The tubing has a tensile strength of some 485 MPa, a yield strength of some 275 MPa, and an elongation of 25%. It has a density of 7.7 g/cm³ and a good thermal conductivity, with structural stability in high-temperature conditions. The low carbon content avoids carbide precipitation, eliminating the risk of intergranular corrosion and enhancing weldability.
| Specifications | ASTM A240, ASME SA240 |
| Standard | JIS, ASTM, AISI, GB, EN, DIN |
| Surface | 2B, 2D, BA, NO.4, NO.8, 8K, Mirror, Checkered, Embossed, Hair Line, Sand Blast, Brush, Etching |
| Finish | Cold rolled,/Hot rolled |
| Width | 1000mm-2000mm |
| Length | 1000mm-6000mm |
| Thickness | 0.40mm – 6.00mm |
| C | Si | Mn | P | S | Cr | Ni | Mo | Other |
| ≤0.030 | ≤1.00 | ≤1.00 | ≤0.040 | ≤0.015 | ≤17.5-18.5 | ——– | ———- | Ti 0.10-0.60 Nb 3*(C+0.30)-1.00 |
| Yield Rp0.2(MPa) | Tensile Rm(MPa) | Impact KV/Ku (J) | Elongation A (%) | Reduction in cross section on fracture Z (%) | As-Heat-Treated Condition | Brinell hardness (HBW) |
| 168 (≥) | 185 (≥) | 13 | 44 | 44 | Solution and Aging, Annealing, Ausaging, Q+T,etc | 221 |
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Stainless Steel 443 Tubing has common use in conditions of high corrosion resistance and heat stability. The tubing finds vast use in motor vehicle exhaust systems, heat exchangers, and power plant applications as it exhibits fine resistance to oxidation. It also finds usage in chemical processing plants, food industry operations, and buildings where it must provide strength and longivity. Besides, it is utilized in HVAC systems, air pollution control devices, and water treatment facilities, so it is a versatile material for use in areas that are exposed to aggressive chemicals and varying temperatures.
This tubing offers excellent corrosion resistance and is available in sizes ranging from 1/8″ to 24″ in diameter. It’s ideal for high-pressure applications due to its seamless construction, ensuring uniform strength throughout.
Known for its superior corrosion resistance, this tubing comes in sizes from 1/8″ to 36″ in diameter. The welded joints are precisely crafted, making it suitable for various structural and fluid transport applications.
Sizes ranging from 1/8″ to 24″ in diameter, this tubing is designed to withstand high temperatures and corrosive environments. It’s commonly used in heat exchangers due to its excellent thermal conductivity and corrosion resistance.
Available in sizes from 1/8″ to 2″ in diameter, this tubing is ideal for precision instruments. It offers excellent corrosion resistance and is designed for high-pressure and high-purity applications.
These tubes are available in sizes from 1/2″ to 5″ in diameter and are specifically designed to withstand high-pressure and high-temperature conditions. They provide excellent corrosion resistance, making them suitable for boiler applications.
Excellent corrosion resistance, these tubes are available in various sizes and are bent into U shapes for use in heat exchangers. The precision bending ensures efficient heat transfer and minimal stress points.
This tubing comes in sizes from 1/4″ to 3″ in diameter and is designed for use in condensers. It provides excellent corrosion resistance and thermal conductivity, making it ideal for heat exchange processes.
These tubes, available in sizes from 1/4″ to 2″ in diameter, have fins attached to increase surface area for better heat transfer. They offer superior corrosion resistance and are used in various heat exchanger applications.
Stainless Steel 443 Tubing is supplied with mill test certificates like EN 10204 3.1 or 3.2 to guarantee quality and conformity to industry standards. It is safely packaged in wooden crates, plastic wrapping, or protective coatings to avoid damage while in transit. Shipment schedules are adjusted according to order size and destination, with effective logistics facilitating on-time shipments. Special packaging arrangements can be made available upon special request to accommodate specific handling and storage conditions, so the tubing arrives at its destination in the best possible shape.
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