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Wound Fin Tube ASME SA210 Gr.A-1 Aluminum ASTM B209 Gr.1060 For Air Cooler , Heat Exchager
Gr.A-1 refers to Grade A-1, a specification under ASTM (American Society for Testing and Materials) standards, specifically ASTM A210. This grade is commonly used for seamless medium-carbon steel boiler and superheater tubes. It is designed to withstand high pressure and high temperatures.
Gr.A-1 is a medium-carbon steel grade designed for high temperature and pressure applications, making it ideal for boiler and superheater tubes. When combined with ASTM B209 Gr.1060 in a wound fin tube design, it becomes highly effective in heat exchanger applications, offering robust performance and efficient heat transfer. These fin tubes are widely used in power generation, industrial boilers, and chemical processing industries, providing reliable and durable performance in demanding environments.
Type | Description | Base tube | Fin specification (mm) | ||
O.D. (mm) | Fin pitch | Fin height | Fin thick | ||
Wound | L / KL / LL Type Fin Tube | 16-63 | 2.1-5 | <17 | ~0.4 |
Chemical Composition:
Grade | C | Mn | P | S | Si |
Gr.A-1 | 0.27–0.33% | 0.93% minimum | ≤ 0.035% | ≤ 0.035% | 0.10% minimum |
Mechanical Properties:
Tensile Strength | 415 MPa (60,000 psi) minimum |
Yield Strength | 255 MPa (37,000 psi) minimum |
Elongation | 30% minimum in 50 mm |
Hardness | ≤ 79 HRB (Rockwell Hardness B) |
Key Features:
Applications:
1. Boilers and Superheaters
2. Heat Exchangers
3. Chemical Processing