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ASTM A213 T11 Alloy Steel Seamless Boiler Tubes In Power Plants

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ASTM A213 T11 Alloy Steel Seamless Boiler Tubes In Power Plants

Brand Name : Yuhong

Model Number : ASTM A213 T11

Certification : ABS, BV, DNV, CCS, LR

Place of Origin : China

MOQ : 1TON

Price : Negotiable

Payment Terms : TT, LC

Supply Ability : 1000 tons/month

Delivery Time : 35-60 days

Packaging Details : Ply-wooden Case

Product : Furnace and Heat Exchanger Tubes

Heat Exchanger Tubes Standard : ASTM A213

Heat Exchanger Tubes Material : T11

Size and Length : According to clients' need

Use : For Heat Exchanger / Boiler / Furnaces,etc

Heat Exchanger Tubes Packing : Ply-wooden Case or Woven Bags in Bundle

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ASTM A213 T11 Alloy Steel Seamless Boiler Tubes In Power Plants

ASME SA213/ASTM A213 This specification covers seamless ferritic and austenitic steel boiler, superheater, and heat-exchanger tubes, designated Grades T5, TP304, TP321, etc. ASTM A213 T11 is a chromium-molybdenum (Cr-Mo) alloy steel widely used in high-temperature boiler applications in power plants. It has superior creep resistance, oxidation resistance, and weldability, which make it ideal for critical components like superheaters, reheaters, and heat exchangers in coal-fired, gas-fired, and biomass power plants.

Chemical Composition (%) max

Carbon Manganese Phosphorus Sulfur Silicon Chromium Molybdenum
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

Subcritical Annealing /Tempering Temperature,min or range

1200 °F [ 650C ]

Tensile Strength, min. 60ksi [415MPa ]
Yield Strength, min. 30ksi [ 205MPa ]
Elongation in 2 in. or 50mm, min. 30%
Brinell/Vickers 163HBW/170HV
Rockwell 85HRB

ASTM A213 T11 Alloy Steel Seamless Boiler Tubes In Power Plants

A213 T11 is a cost-effective, high-performance alloy for power plant boilers operating at ≤565°C. But for higher temperatures (>600°C), T91 or T92 are preferred, while T22 is better for high-sulfur environments.

Key Applications in Power Plants

*Superheater & Reheater Tubes: Operates at 540–565°C (1000–1050°F) under high-pressure steam


T11 resists steam oxidation and thermal fatigue from cyclic operations.
T11 preferred over T5 (5Cr-0.5Mo) due to higher chromium content (1.25Cr-0.5Mo-0.3Si) for better oxidation resistance.


*Water Walls & Boiler Tubes: Used in furnace water walls where temperatures reach 400–500°C (750–930°F)

T11 handles coal ash corrosion better than low-alloy steels like T12.


*High-Temperature Heat Exchangers: Used in economizers and steam drums where thermal cycling occurs


T11 Seamless construction prevents leaks under high pressure (up to 3,000 psi).


*Combined Cycle Power Plants (HRSG): Used in HRSG tubing where exhaust gases heat water to produce steam


T11 better sulfidation resistance than T22 in flue gas environments.

ASTM A213 T11 Alloy Steel Seamless Boiler Tubes In Power Plants


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