YUHONG HOLDING GROUP CO., LTD
YUHONG HOLDING GROUP CO., LTD
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ASTM A213 T11 Alloy Steel Seamless Boiler Tubes For High Temperature Service
Chemical Composition (%) max
| Grade | C | Mn | P | S | Si | Cr | Mo |
| T11 | 0.05-0.15 | 0.30-0.60 | 0.025 | 0.025 | 0.50-1.00 | 1.00-1.50 | 0.44-0.65 |
Mechanical Properties
| Grade | Tensile Strength min | Yield Strength min | Elongation in 2" or 50mm min | Hardness, Max |
| T11 | 60ksi (415 MPa) | 30ksi (205 MPa) | 30% | 163HB/170HV,85HRB |
ASTM A213 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, TP304, etc. T11 alloy tubes are widely used in high-temperature applications due to their excellent mechanical properties, oxidation resistance, and creep strength,including power generation, petrochemical, oil and gas, heat treatment, chemical processing, and energy sectors.
Key Advantages
High-Temperature Strength: Maintains mechanical properties at elevated temperatures.
Corrosion Resistance: Suitable for corrosive environments, including those with sulfur and other aggressive elements.
Oxidation Resistance and Creep Resistance: Resists scaling and oxidation in high-temperature environments and withstands long-term exposure to high stress.
Applications
Power Generation Industry --- in boilers, superheaters, and reheaters.
Petrochemical Industry --- in high-temperature pipelines, reactors, and heat exchangers.
Oil and Gas Industry --- in refineries and petrochemical plants for high-temperature piping and heat exchangers.
Heat Treatment Equipment --- Employed in furnaces, annealing lines, and other heat treatment systems.
Chemical Processing Industry --- in reactors, distillation columns, and high-temperature pipelines.
Energy Sector --- in thermal power plants and combined cycle power plants.
Reason: Provides excellent high-temperature strength and oxidation / corrosion resistance, and maintains structural integrity under high temperatures and pressures.
