ASTM A213 T5 Seamless Alloy Steel Tubes For Oil And Gas Refineries
ASTM A213 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes.T5 is a seamless ferritic alloy steel tube specifically designed for high-temperature service in boilers, superheaters, and heat exchangers.
Chemical Composition % Max
| Gr. | C | Mn | P | S | Si | Cr | Mo |
| T5 | 0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.5 | 4-6 | 0.45-0.65 |
| T5b | 0.15 | 0.3-0.6 | 0.025 | 0.025 | 1-2 | 4-6 | 0.45-0.65 |
Mechanical Property
| Gr. | Tensile Strength min | Yield Strength min | Elongation (%) | Brinell/Vickers max | Rockwell max |
| T5b | 205 (Mpa) | 415 (Mpa) | 30 min | 179HBW/190HV | 89HRB |
Standard: ASTM A213 / ASME SA213
Type: seamless, cold-drawn or hot-finished
Size Range: typically 1/8" to 5" OD, with wall thicknesses per schedule requirements
Length: random or cut lengths up to 12 meters, required by clients
Wall Thickness: generally min. wall thickness
Maximum Service Temperature: 650°C (1200°F)
T5 tubes have good oxidation resistance and creep strength, which maintains structural integrity under prolonged stress at high temperatures.
Applications
Power Generation: Superheater and reheater tubes; Boiler convection passes; Steam headers and manifolds
Petrochemical: Furnace tubes in cracking units; Heat exchanger tubing; Catalytic reformer components
Industrial Processing: Thermal fluid systems; Heat treatment furnace components; High-temperature gas ducts
In future, more increasing demand for higher efficiency power plants, more T5 tubes to be used. And due to the development of improved welding techniques for Cr-Mo alloys and the growing applications in renewable energy thermal storage systems, ASTM A213 T5 tubes also remain a preferred choice for critical high-temperature applications across multiple industries.
Welcome your inquiry of alloy steel boiler tubes to YUHONG Group!
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