ASTM A214 Carbon Steel Welded Tube For Heat Exchanger And Condenser
ASTM A214 is a specification that covers minimum-wall-thickness, electric-resistance-welded, carbon steel tubes to be used for heat exchangers, condensers, and similar heat-transfer apparatus. These tubes are commonly used in boilers, superheaters, and air coolers.
Material and Specification
The material used in ASTM A214 is carbon steel, and the tubes are electric-resistance-welded. The specification covers a range of sizes and thicknesses, as shown in the table below.
| Specification | ASTM A214 |
|---|---|
| Material | Carbon Steel |
| Manufacturing Process | Electric Resistance Welded |
| Size Range | OD: 3/4" - 3", Wall Thickness: 0.065" - 0.134" |
| Length | Random lengths of 10 to 24 feet |
Chemical Composition
The chemical composition of ASTM A214 carbon steel tubes is shown in the table below.
| Element | Composition (%) |
|---|---|
| Carbon (C) | 0.18 max |
| Manganese (Mn) | 0.27 - 0.63 |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.035 max |
Mechanical Properties
The mechanical properties of ASTM A214 carbon steel tubes are shown in the table below.
| Property | Minimum Value |
|---|---|
| Tensile Strength | 52,000 psi (360 MPa) |
| Yield Strength | 35,000 psi (240 MPa) |
| Elongation | 30% |
| Hardness (Rockwell B) | 75 max |
Steel Grade
The steel grade used in ASTM A214 is Grade A.
Application
ASTM A214 carbon steel tubes are used in a variety of applications, including heat exchangers, condensers, and similar heat-transfer apparatus. They are commonly used in boilers, superheaters, and air coolers, where they provide excellent thermal conductivity and resistance to corrosion.
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