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Asme Sa 179 Seamless Heat Exchanger Tube
Introduction
ASME SA 179 Seamless Heat Exchanger Tubes are widely used in various industries for their excellent thermal conductivity and corrosion resistance properties. These tubes are specifically designed to efficiently transfer heat between two mediums without any leakage or loss. In this article, we will delve into the material, specification, key features, chemical composition, mechanical properties, physical properties, process performance, steel grade, application, and possible alternative grades of ASME SA 179 Seamless Heat Exchanger Tubes.
Material and Specification
Material: ASME SA 179 Seamless Heat Exchanger Tubes are made from low carbon steel.
Specification: These tubes conform to the ASTM A179/ASME SA179 standard specifications.
Key Features
High thermal conductivity
Corrosion resistance
Excellent formability and weldability
Superior surface finish
Precision dimensions
Chemical Composition
| Element | Composition (%) |
| Carbon (C) | 0.06-0.18 |
| Manganese (Mn) | 0.27-0.63 |
| Phosphorus (P) | ≤ 0.035 |
| Sulfur (S) | ≤ 0.035 |
Mechanical Properties
| Property | Value |
| Tensile Strength | ≥ 325 MPa |
| Yield Strength | ≥ 180 MPa |
| Elongation | ≥ 35% |
| Hardness | ≤ 72 HRB |
Physical Properties
| Property | Value |
| Density | 7.87 g/cm³ |
| Melting Point | 1425-1540°C |
| Thermal Conductivity | 51.9 W/mK at 0°C |
Process Performance
| Performance Parameter | Value |
| Pressure Rating | Up to 6000 psi |
| Temperature Range | -29°C to 400°C |
Steel Grade
ASME SA 179 Seamless Heat Exchanger Tubes typically fall under the designation of ASTM A179 Grade A or Grade B.
Application
These heat exchanger tubes find extensive applications in various industries including:
Power generation
Petrochemical
Chemical processing
HVAC (Heating, Ventilation, and Air Conditioning)
Refrigeration
Possible Alternative Grades
While ASME SA 179 is widely used, alternative grades that can be considered based on specific requirements include ASTM A192, ASTM A210, and ASTM A334 among others.
ASME SA 179 Seamless Heat Exchanger Tubes stand out for their exceptional performance, making them a preferred choice in critical heat transfer applications across industries.
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