ASTM A134 Electric Fusion Arc Welded Steel Round Pipe For Structural Services
ASTM A134 Electric-Fusion (Arc)-Welded Steel Round Pipe For Structural Services
Introduction
ASTM A134 is a specification that covers electric-fusion (arc)-welded steel pipe suitable for use in conveying gas, vapor, water, or other liquid or solid materials. This specification is specifically designed for round pipes used in structural applications. The pipes are produced by electric-fusion welding and are commonly used in construction, infrastructure, and other structural projects.
Material
The material used in ASTM A134 pipes is steel. The steel used should be of a suitable grade and quality to meet the requirements of the specification. The specific material requirements, including the chemical composition and mechanical properties, are outlined in the following sections.
Specification
The specification for ASTM A134 pipes includes various requirements that ensure the quality and performance of the pipes. These requirements cover dimensions, tolerances, testing methods, and other important aspects. The specification provides guidelines for manufacturing and inspecting the pipes to ensure they meet the necessary standards.
Chemical Composition
| Element | Composition Range (%) |
|---|---|
| Carbon (C) | 0.25 max |
| Manganese (Mn) | 0.95 max |
| Phosphorus (P) | 0.035 max |
| Sulfur (S) | 0.035 max |
Mechanical Properties
| Property | Minimum Value |
|---|---|
| Tensile Strength | 48,000 psi (330 MPa) |
| Yield Strength | 30,000 psi (205 MPa) |
| Elongation | 30% |
| Hardness | 79 HRB max |
Application
ASTM A134 electric-fusion (arc)-welded steel round pipes are widely used in various structural applications. Some common applications include:
- Building construction: These pipes are used in the construction of buildings, including columns, beams, and other load-bearing structures.
- Infrastructure projects: They are used in infrastructure projects such as bridges, tunnels, and highways to provide structural support.
- Industrial structures: ASTM A134 pipes are utilized in the construction of industrial structures like warehouses, factories, and power plants.
- Piping systems: These pipes are suitable for conveying gas, vapor, water, or other liquid or solid materials in piping systems.
The pipes' high tensile strength, durability, and resistance to corrosion make them suitable for various structural applications.
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