ASTM A214 Cold Rolled Carbon Steel Welded Steel Tube For Heat-Exchanger And Condenser For Construction Industry
Introduction
In the construction industry, the demand for high-quality heat-exchangers and condensers is on the rise. One essential component for the fabrication of these systems is a reliable and efficient welded steel tube. The ASTM A214 Cold Rolled Carbon Steel Welded Steel Tube is specifically designed to meet the rigorous requirements of heat-exchanger and condenser applications. This article provides an overview of the material, specification, chemical composition, mechanical properties, steel grade, and application of ASTM A214 welded steel tubes.
Material
The ASTM A214 Cold Rolled Carbon Steel Welded Steel Tube is manufactured using carbon steel as the primary material. Carbon steel is known for its excellent mechanical properties, durability, and affordability, making it a preferred choice for various industrial applications. This material ensures the welded steel tube's ability to withstand high temperatures, pressure differentials, and corrosive environments commonly encountered in heat-exchanger and condenser systems.
Specification
The ASTM A214 specification sets the standard for the production of cold-rolled carbon steel welded steel tubes. It outlines the specific requirements for dimensions, tolerances, mechanical properties, and chemical composition. Adhering to this specification guarantees the quality, reliability, and interchangeability of the welded steel tubes used in heat-exchanger and condenser applications.
Chemical Composition
The chemical composition of ASTM A214 welded steel tubes is carefully controlled to ensure optimal performance in heat-exchanger and condenser systems. The following table provides a breakdown of the typical chemical composition:
| 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
ASTM A214 welded steel tubes exhibit excellent mechanical properties, making them suitable for demanding applications. The following table highlights the typical mechanical properties of these tubes:
| Property | Value |
| Tensile Strength | 325 MPa min |
| Yield Strength | 180 MPa min |
| Elongation | 35% min |
| Hardness (HRB) | 65 max |
Steel Grade
The ASTM A214 standard encompasses multiple steel grades, each with its own set of mechanical and chemical properties. The specific grade of the welded steel tube depends on the requirements of the heat-exchanger or condenser application. Commonly used steel grades include A214 Grade A and A214 Grade C, among others.
Application
ASTM A214 welded steel tubes find extensive application in the construction industry, particularly in heat-exchanger and condenser systems. These tubes efficiently transfer heat from one medium to another while maintaining structural integrity and durability. They are widely used in power plants, chemical plants, oil refineries, and other industrial facilities where heat transfer is essential.
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