In Naypyidaw, Myanmar, Kyaw Stainless is a reputable manufacturer and supplier of stainless steel 348H tubing, known for producing high-end stainless steel goods that satisfy global standards. The company specialises in producing long-lasting, corrosion-resistant 348H tubing intended for high-temperature and high-pressure settings, and it does so with cutting-edge production technology and a strong dedication to quality. Oil and gas, power generation, and petrochemical are just a few of the industries that Kyaw Stainless serves. In Myanmar, Kyaw Stainless has established a solid reputation as a dependable partner for top-notch stainless steel tubing solutions thanks to its skilled craftsmanship, stringent quality control, and customer-focused service.
Austenitic chromium-nickel steel stabilised with columbium, stainless steel 348H tubing provides exceptional resistance to intergranular corrosion. For increased high-temperature strength, it has a higher carbon content (0.08% maximum), 10% nickel, and about 18% chromium. The alloy has exceptional mechanical qualities, such as a yield strength of 240 MPa, elongation of 35%, and a tensile strength of about 550 MPa. Because of its strong composition, which guarantees exceptional oxidation resistance, creep strength, and durability, it is perfect for constant exposure to high temperatures and corrosive environments.
| Sizes: | 1/8″ to 24″ |
| ASTM A312 Steel grades: | TP304/304L/304H |
| ASTM A312 Schedules: | STD, XS, XXS, SCH5S, SCH10/10S, SCH20, SCH30, SCH40/40S, SCH60, SCH80/80S, SCH100, SCH120, SCH140, SCH160 |
| Standards: | ASTM A312, ASME SA312 |
| Lengths: | SRL and DRL 5meters up to 11meters available from Stock or Production. |
| Ends: | Plain/Bevelled |
| AISI 348H Chemical Properties | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| C | Mn | P | S | Si | Cr | Ni | Cb | Co | Ta |
| 0.08 Max | 2.00 Max | 0.045 Max | 0.030 Max | 1.00 Max | 17.0-20.0 | 9.0-13.0 | 1.10 Max | 0.20 Max | 0.10 Max |
| Yeild strength | Tensile strength | Elongation | Reduction |
| Min 0.2% Mpa | Min Mpa | Min % | Min % |
| 205 | 515 | 30 | 50 |
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Stainless Steel 348H Tubing is increasingly being utilized in power generation, chemical processing, and aerospace industries owing to its high resistance to creep stress and oxidation. It is generally used in heat exchangers, boiler tubes, furnace parts, and superheater tubes. Besides that, its excellent weldability and mechanical properties also make it ideal for the transportation of fluids in petrochemical facilities, refineries, and high-pressure piping systems. Its high carbon content adds to its toughness, providing reliability and durability for long-time high-temperature industrial applications.
Available in various sizes with precise dimensions. It offers excellent corrosion resistance suitable for high-temperature applications.
Available in a range of sizes. Known for its robust construction and corrosion resistance, ideal for industrial applications.
Designed specifically for heat transfer applications, available in customized sizes. Offers superior resistance to corrosion and thermal stress.
Precision tubing with controlled dimensions for instrumentation and control systems. Provides high corrosion resistance and reliability in sensitive environments.
Engineered for high-pressure boiler systems, available in standard and custom sizes. Resistant to corrosion and oxidation, ensuring long-term performance.
U-shaped tubes used in heat exchangers and condensers, available in diverse dimensions. Offers excellent resistance to corrosion and stress cracking.
Specifically designed for condenser applications, available in various diameters. Provides superior corrosion resistance and heat transfer efficiency.
Tubes with extended surface area for enhanced heat transfer efficiency, available in multiple configurations. Offers exceptional resistance to corrosion and oxidation.
Many industries that demand superior heat and corrosion resistance use stainless steel 348H tubing. It is perfect for heat exchangers, boiler tubes, condensers, and furnace components because of its stability at high temperatures. It is utilised for superheater and reheater tubes in the petrochemical and power generation industries. Refineries, chemical processing equipment, and nuclear reactors can all benefit from the alloy’s resistance to intergranular corrosion. Its strength and formability also make it a popular material for high-pressure piping systems and aerospace components, guaranteeing dependable performance under challenging operating circumstances.
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