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ASTM A210 Gr.A1 Carbon Steel Seamless Tube Extruded Aluminium Fin Tube
Extruded fin tubes find applications in industries such as power generation, HVAC systems, petrochemical plants, and refrigeration units, where efficient heat exchange is essential. They are created by extruding a bimetallic tube through a die that forms the fins on the outer surface of the tube. This process helps in creating a strong bond between the fin and the tube, ensuring efficient heat transfer. While the manufacturing process of extruded fin tubes can be more complex than other types of finned tubes, the overall cost-effectiveness of these tubes is often realized through their enhanced heat transfer performance and durability.
ASTM A210 / A210M Grade A1 Chemical Compositions
| Chemical Components (%) | ||||||||
| Grade | C | Si | Mn | P | S | Mo | Cr | V |
| A-1 | ≤0.27 | ≥0.10 | ≤0.93 | ≤0.035 | ≤0.035 | / | / | / |
ASTM A210 / A210M Grade A1 Mechanical Properties
| Mechanical Properties | ||||
| Grade | Tensile | Yield | Elongation | Hardness |
| Strength (Mpa) | Strength (Mpa) | (%) | (HRB) | |
| A-1 | ≥415 | ≥255 | ≥30 | ≤79 |
ASTM A210 / A210M Tube Wall Thickness Tolerance
| Seamless, Cold-Finished Tubes | ||
| Outside Diameter | Wall thickness Tolerance % | |
| In. (mm) | Over (+) | Under (-) |
| 1 1/2" (38.1) and under | 20 | 0 |
| Over 1 1/2" (38.1) | 22 | 0 |
The Advantages of A210 Gr.A1 Carbon Steel Finned Tube
High thermal conductivity: A210 Gr.A1 is a type of carbon steel that has high thermal conductivity, which makes it an excellent material for heat transfer applications. The high thermal conductivity of A210 Gr.A1 allows for efficient heat transfer between the fluid inside the tube and the surrounding environment.
Corrosion resistance: A210 Gr.A1 has good corrosion resistance properties, which makes it suitable for use in harsh environments where corrosion is a concern. The embedded G fins on the tube also provide additional protection against corrosion.
High strength: A210 Gr.A1 has high tensile strength and yield strength, which makes it a strong and durable material for heat exchanger tubes. This strength allows the tubes to withstand high pressure and temperature conditions without deforming or failing.
Cost-effective: A210 Gr.A1 is a cost-effective material compared to other high-performance alloys used in heat exchanger tubes. This makes it a popular choice for industrial applications where cost is a significant factor.
Easy to fabricate: A210 Gr.A1 is easy to fabricate and weld, which makes it easy to manufacture and customize heat exchanger tubes to meet specific application requirements.
Other Materials
G Type Embedded Finned Tube is combined with two different materials, including core tube grade and fin grade.
Core tube material: carbon steel, low alloy steel, stainless steel, brass, copper, copper-nickel alloy, aluminum bronze, nickel alloy.
1. Carbon steel: A179, A192, SA210 Gr A1/C, A106 Gr B
2. Stainless steel: TP304/304L, TP316/TP316L/316Ti, A789 S31803/S2205
3. Copper: UNS12200/UNS14200/UNS70600, CuNi70/30, CuNi 90/10
Fin material: Aluminum (Alu.1100, Alu.1060), Copper, Steel
Applications
