A213 T5 Seamless Tube For Boiler And Heat Exchanger
Product Name: Heat Exchanger Tube
Standard: ASTM A213, ASME SA213
Material Grade: T5, T9, T11, T12, T23, T22, T91, T92
Size: ID: 12.7mm To 168.3mm
WT: 1mm To : 40mm
End: Plain End, Beveled End
Type: Seamless
NDT: ET, UT, HT, MT
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Products Description
The ASTM A213 T5 Alloy Steel Seamless Tube is a premium-grade alloy steel product manufactured for use in high-temperature and high-pressure environments.
The manufacturing process of ASTM A213 T5 alloy steel heat exchanger tube mainly includes steps such as raw material preparation, hot rolling (or cold drawing), heat treatment, inspection, and surface treatment. The standard for its manufacturing execution is ASTM A213/A213M "Specification for Seamless Iron and Austenitic Alloy Steel Tubes for Boilers, Superheaters, and Heat Exchangers", and the product also needs to comply with the requirements of TSG D7002 Pressure Pipeline Component Type Test Rules.
Specification
| Property | Value |
|---|---|
| Standard | ASTM A213/A213M |
| Grade | T5 (Ferritic Alloy Steel) |
| Size Range | OD: 6mm to 101.6mm, Wall Thickness: 1mm to 12mm |
| Length | Random, cut length, or as per customer requirements |
| Heat Treatment | Fully annealed or normalized and tempered |
| Surface Finish | Smooth or pickled, with optional protective coating |
| Testing | Hydrostatic, NDT, mechanical property tests, and chemical composition |
ASTM A213/ASME SA213 T5 Alloy Steel Tube Specification
ASTM A213/ASME SA213 T5 Alloy Steel Tube Chemical Composition
| UNS NO. | ASTM A213/ASME SA213 T5 CHEMICAL COMPOSITION % | ||||||
|---|---|---|---|---|---|---|---|
| C | MN | P | S | SI | CR | MO | |
| K41545 | 0.15 | 0.3-0.6 | 0.025 | 0.025 | 0.50 |
4.00-6.00 |
0.45-0.65 |
Mechanical properties of ASTM A213 T5 ferritic alloy steel tube
Tensile strength (Rm): ≥415 MPa
Yield strength (Rp0.2): ≥205 MPa
Elongation (A): ≥30% (gauge length 50mm)
Hardness: ≤163 HBW (annealed state)
Physical properties of ASTM A213 T5 Boiler Systems Alloy Steel Seamless Tube
| Property | Value |
|---|---|
| Density | 7.9~8.1 g/cm³ |
| Melting point | ~1480°C |
| Coefficient of thermal expansion (20~100°C) | 11.5×10⁻⁶/°C |
| Thermal conductivity (100°C) | 30 W/(m·K) |
| Specific heat | 460 J/(kg·K) |
ASTM A213/ASME SA213 Alloy Steel Seamless Tube Size Tolerance
| Outside Diameter | OD Tolerance | WT Tolerance | Ovality Tolerance | Cut Length Tolerance |
| OD≤ 12, 7 mm | ± 0, 13 mm | ± 15 % | – | + 3, 18 mm, – 0 mm |
| 12, 7 mm < OD ≤ 38, 1 mm | ± 0, 13 mm | ± 10 % | max, 1, 65 mm | + 3, 18 mm, – 0 mm |
| 38, 1 mm < OD ≤ 88, 9 mm | ± 0, 25 mm | ± 10 % | max, 2, 41 mm | + 4, 76 mm, – 0 mm |
A213/SA213 Equivalence Standards
|
Trade Name |
Grade |
UNS # |
Heater Tubes |
|
1 1/4 Chrome |
T11 |
K11597 |
A213 / SA213 |
|
2 1/4 Chrome |
T22 |
K21590 |
A213 / SA213 |
|
5 Chrome |
T5 |
K41545 |
A213 / SA213 |
|
9 Chrome |
T9 |
K90941 |
A213 / SA213 |
|
T91 |
T91 |
K90901 |
A213 / SA213 |
|
T92 |
T92 |
K92460 |
A213 / SA213 |
| A213/SA213 T5 Tube Sizes for Heat Exchangers & Condensers & Boiler | |||||||||
| Outside Diameter | BWG | ||||||||
| 25 | 22 | 20 | 18 | 16 | 14 | 12 | 10 | ||
| Wall Thickness mm | |||||||||
| 0.508 | 0.71 | 0.89 | 1.24 | 1.65 | 2.11 | 2.77 | 3.40 | ||
| mm | inch | Weight kg/m | |||||||
| 6.35 | 1/4 | 0.081 | 0.109 | 0.133 | 0.174 | 0.212 | |||
| 9.53 | 3/8 | 0.126 | 0.157 | 0.193 | 0.257 | 0.356 | 0.429 | ||
| 12.7 | 1/2 | 0.214 | 0.263 | 0.356 | 0.457 | 0.612 | 0.754 | ||
| 15.88 | 5/8 | 0.271 | 0.334 | 0.455 | 0.588 | 0.796 | 0.995 | ||
| 19.05 | 3/4 | 0.327 | 0.405 | 0.553 | 0.729 | 0.895 | 1.236 | ||
| 25.4 | 1 | 0.44 | 0.546 | 0.75 | 0.981 | 1.234 | 1.574 | 2.05 | |
| 31.75 | 1 1/4 | 0.554 | 0.688 | 0.947 | 1.244 | 1.574 | 2.014 | 2.641 | |
| 38.1 | 1 1/2 | 0.667 | 0.832 | 1.144 | 1.514 | 1.904 | 2.454 | 3.233 | |
| 44.5 | 1 3/4 | 1.342 | 1.774 | 2.244 | 2.894 | 3.5 | |||
| 50.8 | 2 | 1.549 | 2.034 | 2.574 | 3.334 | 4.03 | |||
| 63.5 | 2 1/2 | 1.949 | 2.554 | 3.244 | 4.214 | 5.13 | |||
| 76.2 | 3 | 2.345 | 3.084 | 3.914 | 5.094 | 6.19 | |||
| 88.9 | 3 1/2 | 2.729 | 3.609 | 4.584 | 5.974 | 7.27 | |||
| 101.6 | 4 | 4.134 | 5.254 | 6.854 | 8.35 | ||||
| 114.3 | 4 1/2 | 4.654 | 5.924 | 7.734 | 9.43 | ||||
GNEE A213 T5 Alloy pipe for sale
ASTM A213 T5 Alloy Steel Key Performance Advantages
ASTM A213 T5 is a ferritic alloy steel, and the matrix microstructure is mainly ferrite. Compared with other austenitic stainless steels such as 304H, 316H, 347H, it has a lower thermal expansion coefficient, can reduce thermal stress, has a higher thermal conductivity, is conducive to heat transfer, and has better resistance to stress corrosion in certain chlorine-containing environments.
High temperature strength: ASTM A213 T5 alloy steel has stable creep resistance below 540 ° C and can maintain stability in high temperature environments.
Oxidation resistance: The chromium element contained in ASTM A213 T5 alloy steel forms a dense oxide film, which resists high-temperature oxidation and corrosion.
Weldability: ASTM A213 T5 alloy steel should be preheated to 150 ° C~200 ° C during welding, and stress relief heat treatment is recommended after welding.
Economy: Compared to high alloy steels such as T91/T92, ASTM A213 T5 alloy steel has a lower cost and is suitable for medium high temperature environments.
Manufacturing Process
The ASTM A213 T5 seamless tubes are produced using advanced manufacturing techniques:
Hot Rolling:
Steel billets are heated and rolled into seamless tubes, providing a smooth and consistent surface finish.
Cold Drawing:
Cold working improves dimensional accuracy, surface finish, and mechanical properties.
Heat Treatment:
Tubes undergo normalizing, annealing, or tempering to enhance strength and toughness while reducing residual stresses.
Testing and Inspection:All tubes are subjected to rigorous quality checks, including:
Hydrostatic testing
Non-destructive testing (NDT)
Hardness testing
Flattening and flaring tests
Chemical and mechanical property verification
Applications
The ASTM A213 T5 seamless tubes are specifically designed for high-temperature and high-pressure environments, making them ideal for the following industries and applications:
Power Generation:
Used in boilers, superheaters, and heat exchangers to transfer heat efficiently at elevated temperatures and pressures.
Petroleum and Petrochemical:
Suitable for refining and chemical processing plants where tubes are exposed to corrosive environments and high thermal loads.
Chemical Processing:
Reliable for transporting and handling high-temperature fluids and gases in chemical plants.
Oil and Gas:
Commonly used in upstream and downstream operations, including gas processing units and pipelines.
Industrial Equipment:
Used in manufacturing heat exchangers, condensers, and other thermal systems requiring excellent heat resistance.
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