Kyaw Stainless stands out as a leading **manufacturer and supplier of Stainless Steel 321H tubing in Naypyidaw, Myanmar**, delivering top-notch tubing solutions designed for high-temperature and corrosive industrial settings. The company specializes in precision-engineered 321H stainless steel tubing, known for its remarkable oxidation resistance, exceptional mechanical strength, and long-lasting durability. Catering to sectors like power generation, chemical processing, petrochemical, and aerospace, Kyaw Stainless guarantees that all its tubing products adhere to strict international quality standards. Their 321H stainless steel tubing is perfect for applications that demand outstanding strength and stability in extreme heat and pressure.
The **Stainless Steel 321H tubing produced by Kyaw Stainless in Naypyidaw, Myanmar** is crafted from a titanium-stabilized austenitic stainless steel alloy, featuring a higher carbon content to boost creep strength and heat resistance. This tubing showcases impressive tensile and yield strength, toughness, and resistance to intergranular corrosion and oxidation at high temperatures. Each tube is meticulously formed, heat-treated, and subjected to thorough quality inspections to ensure dimensional accuracy, a smooth surface finish, and compliance with ASTM and international specifications.
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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Stainless Steel 321H Tubing finds extensive application in aerospace, petrochemical, power generation, as well as heat treatment industries. Due to its oxidation resistance and high-temperature strength, the tubing is perfectly suitable for furnace components, boiler tubes, exhaust systems, as well as heat exchangers. SS 321H tubing is also used in pressure vessels, chemical processing plants, and refinery equipment where exposure to corrosive materials as well as intense heat is prevalent. Its high weldability, toughness, and thermal stability make it an ideal material for demanding industrial processes.
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.
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
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.
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.
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.
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.
**Kyaw Stainless’s Stainless Steel 321H tubing in Naypyidaw, Myanmar** is extensively utilized in high-temperature applications such as heat exchangers, boilers, refinery units, exhaust systems, and power plant piping. It’s also an excellent choice for the chemical and petrochemical industries that require reliable, corrosion-resistant, and heat-stable tubing. With its superior quality, durability, and consistent performance, Kyaw Stainless’s 321H stainless steel tubing has become a trusted option for demanding industrial and engineering projects.
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