For Boilers, Superheaters, And Heat Exchangers
Astm a213 alloy tubes, including grades like t5, t9, t11, t22, and t91, offer excellent corrosion and creep resistance, ideal for high-temperature applications in boilers, superheaters, and heat exchangers.
ASTM A213 is a specification for seamless ferritic and austenitic alloy steel boiler, superheater, and heat-exchanger tubes. These tubes are designed to withstand high temperatures and pressures, making them ideal for use in power generation and petrochemical applications.
Common grades include T91, T92, T11, T12, and T22, each offering unique properties for specific applications. The tubes are manufactured to stringent quality standards, ensuring reliability and performance in demanding environments.
Withstands thermal shock and operates at temperatures up to 650°C for grades like T91 and T92.
Excellent oxidation and corrosion resistance in aggressive chemical and petrochemical environments.
Seamless tubing ensures high structural integrity under pressure and temperature variations.
Improved creep strength and mechanical performance for long-term use in power plants.
Suitable for HRSGs, heat exchangers, boilers, and instrumentation systems in multiple industries.
Supports efficient welding and forming for field installation and system integration.
Key advantages that make ASTM A213 alloy tubes a preferred choice in high-temperature and corrosive environments.
Maintains structural integrity under extreme heat, ideal for boilers, heat exchangers, and superheaters.
Chromium and molybdenum ensure excellent resistance to oxidation and chemical attack in aggressive media.
Offers high tensile and yield strength, ensuring safe performance under high pressure and temperature.
Durable construction and corrosion resistance extend operational life and minimize maintenance downtime.
Precision manufacturing ensures uniform wall thickness and surface finish, optimizing heat transfer and fit.
Widely used in power generation, petrochemical, and thermal processing industries due to its performance and reliability.
Dimensions and performance data for ASTM A213 tubes and pipes.
| Grade | UNS | C | Mn | P | S | Si | V | B | Nb | N | Al | W |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| T2 | K11547 | 0.10–0.20 | 0.30–0.61 | 0.025 | 0.025B | 0.10–0.30 | – | – | – | – | – | – |
| T5 | K41545 | 0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.5 | – | – | – | – | – | – |
| T5b | K51545 | 0.15 | 0.30–0.60 | 0.025 | 0.025 | 1.00–2.00 | – | – | – | – | – | – |
| T5c | K41245 | 0.12 | 0.30–0.60 | 0.025 | 0.025 | 0.5 | – | – | – | – | – | – |
| T9 | K90941 | 0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.25–1.00 | – | – | – | – | – | – |
| T11 | K11597 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50–1.00 | – | – | – | – | – | – |
| T12 | K11562 | 0.05–0.15 | 0.30–0.61 | 0.025 | 0.025B | 0.5 | – | – | – | – | – | – |
| T17 | K12047 | 0.15–0.25 | 0.30–0.61 | 0.025 | 0.025 | 0.15–0.35 | 0.15 | – | – | – | – | – |
| T21 | K31545 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.50–1.00 | – | – | – | – | – | – |
| T22 | K21590 | 0.05–0.15 | 0.30–0.60 | 0.025 | 0.025 | 0.5 | – | – | – | – | – | – |
| T23 | K40712 | 0.04–0.10 | 0.10–0.60 | 0.03 | 0.01 | 0.5 | 0.20–0.30 | 0.0010–0.006 | 0.02–0.08 | 0.015 | 0.03 | 1.45–1.75 |
| T24 | K30736 | 0.05–0.10 | 0.30–0.70 | 0.02 | 0.01 | 0.15–0.45 | 0.20–0.30 | 0.0015–0.007 | – | 0.012 | 0.02 | – |
| T36 | K21001 | 0.10–0.17 | 0.80–1.20 | 0.03 | 0.025 | 0.25–0.50 | 0.02 | – | 0.015–0.045 | 0.02 | 0.05 | – |
| T91 | K90901 | 0.07–0.14 | 0.30–0.60 | 0.02 | 0.01 | 0.20–0.50 | 0.18–0.25 | – | 0.06–0.10 | 0.030–0.07 | 0.02 | – |
| T92 | K92460 | 0.07–0.13 | 0.30–0.60 | 0.02 | 0.01 | 0.5 | 0.15–0.25 | 0.001–0.006 | 0.04–0.09 | 0.030–0.07 | 0.02 | 1.5–2.00 |
| T122 | K91271 | 0.07–0.14 | 0.7 | 0.02 | 0.01 | 0.5 | 0.15–0.30 | 0.0005–0.005 | 0.04–0.10 | 0.040– | 0.02 | 1.50–2.50 |
| T911 | K91061 | 0.09–0.13 | 0.30–0.60 | 0.02 | 0.01 | 0.10–0.50 | 0.18–0.25 | 0.0003–0.006 | 0.06–0.10 | 0.040–0.09 | 0.02 | 0.90–1.10 |
| Grade | Tensile Strength (MPa) |
Yield Point (MPa, min) |
Elongation (%, min) |
Impact (J, min) |
Hardness (HRB, max) |
|---|---|---|---|---|---|
| A213 T2 / SA213 T2 | ≥415 | 205 | – | – | 85 |
| A213 T11 / SA213 T11 | ≥415 | 205 | – | – | 85 |
| A213 T22 / SA213 T22 | ≥415 | 205 | – | – | 85 |
| A213 T23 / SA213 T23 | ≥510 | 400 | 20 | – | 97 |
| A213 T24 / SA213 T24 | ≥585 | 415 | 20 | – | 25 |
| A213 T91 / SA213 T91 | ≥585 | 415 | 20 | – | 25 |
| A213 T911 / SA213 T911 | ≥620 | 440 | 20 | – | 25 |
| A213 T92 / SA213 T92 | ≥620 | 440 | 20 | – | 25 |
| A213 T122 / SA213 T122 | ≥620 | 400 | 20 | – | 25 |
| TP304H | ≥515 | 205 | 35 | – | 90 |
| TP316H | ≥515 | 205 | 35 | – | 90 |
| TP321H | ≥515 | 205 | 35 | – | 90 |
| TP347H | ≥515 | 205 | 35 | – | 90 |
| S30432 | ≥590 | 235 | 35 | – | 95 |
| TP310HCbN | ≥655 | 295 | 30 | – | 100 |
| Grade | UNS Number |
Heat Treat Type | Austenitizing / Solutioning Temp. °F [°C] |
Cooling Media | Annealing / Tempering Temp. °F [°C] |
ASTM Grain Size | |
|---|---|---|---|---|---|---|---|
| T2 | K11547 | Full or Isothermal Anneal | – | – | – | – | |
| Normalize and Temper | – | – | – | – | |||
| Subcritical Anneal | – | – | 1200 to 1350 [650 to 730] |
– | |||
| T5 | K41545 | Full or Isothermal Anneal | – | – | – | – | |
| Normalize and Temper | – | – | 1250 [675] |
– | |||
| T23 | K40712 | Normalize and Temper | 1900–1975 [1040–1080] |
– | 1350–1470 [730–800] |
– | |
| T91 | K90901 | Normalize and Temper | 1900–1975 [1040–1080] |
– | 1350–1470 [730–800] |
– | |
| Parameter | Range | Standard |
|---|---|---|
| Inside Diameter | 1/8" to 5" | 3.2 mm to 127 mm |
| Wall Thickness | 0.015" to 0.500" | 0.4 mm to 12.7 mm |
| Length | 5–7 m / 9–13 m | SRL / DRL |
| Schedule | 40 to 160 | STD, XS, XXS |
| Property | Value | Unit |
|---|---|---|
| Max Service Temperature | 650 | °C |
| Tensile Strength | 415–690 | MPa |
| Yield Strength | 205–520 | MPa |
| Elongation | 20–30 | % |
ASTM A213 Alloy Tubes are widely used in various industries due to their excellent high-temperature and high-pressure performance.
Utilized in boilers, superheaters, and reheaters within steam power plants due to their high-temperature resistance and durability.
Employed in refineries and chemical plants for transporting high-temperature fluids and gases, ensuring safety and efficiency.
Ideal for use in heat exchangers where thermal stability and corrosion resistance are critical under fluctuating temperatures.
Commonly used in high-pressure boilers and superheaters, offering excellent performance under extreme thermal conditions.
Applied in the extraction and processing of oil and gas, handling high-pressure and high-temperature fluids effectively.
Suitable for equipment in chemical industries where resistance to corrosive substances and high temperatures is essential.
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