Description
ASTM A53 Pipe Specification
ASTM A53 is a widely used standard specification for carbon steel pipes designed for mechanical and pressure-related applications. It applies to both seamless and welded steel pipes, with options for black and hot-dip galvanized coatings. These pipes are crucial in many industries, including oil and gas, water systems, structural construction, and general mechanical use.
At Emirerri Steel, we stock and supply ASTM A53 pipes in a variety of types, grades, and coatings. All pipes conform to international standards and undergo strict quality checks to ensure reliable performance across multiple sectors.
ASTM A53 is a standard published by ASTM International that governs the fabrication of carbon steel pipes for various applications. This specification applies to pipes designed for welding, bending, flanging, and forming.
The standard includes:
- Type S: Seamless
- Type E: Electric Resistance Welded (ERW)
- Type F: Furnace-Welded (applicable to Grade A only)
ASTM A53 pipes can be used for transporting air, water, steam, gas, and can also serve structural and industrial purposes.
Grades and Types of ASTM A53
Pipe Types:
| Type | Description |
|---|---|
| Type S | Seamless, made by hot-working steel with possible cold finishing |
| Type E | ERW pipe formed by electric resistance welding |
| Type F | Furnace butt-welded, typically only available in Grade A |
Available Grades:
| Grade | Description |
|---|---|
| Grade A | Lower strength, easier formability, used in light-duty applications |
| Grade B | Higher strength, commonly used in high-pressure and industrial setups |
ASTM A53 Chemical Composition
| Element | Grade A (%) | Grade B (%) |
|---|---|---|
| Carbon (C) | 0.25 max | 0.30 max |
| Manganese (Mn) | 0.95 max | 1.20 max |
| Phosphorus (P) | 0.05 max | 0.05 max |
| Sulfur (S) | 0.045 max | 0.045 max |
| Copper (Cu)* | 0.40 max | 0.40 max |
| Nickel (Ni)* | 0.40 max | 0.40 max |
| Chromium (Cr)* | 0.40 max | 0.40 max |
ASTM A53 Mechanical Properties
| Property | Grade A | Grade B |
|---|---|---|
| Tensile Strength | 48,000 psi (330 MPa) | 60,000 psi (415 MPa) |
| Yield Strength | 30,000 psi (205 MPa) | 35,000 psi (240 MPa) |
| Elongation (2”) | Minimum 20% | Minimum 12% |
Available Sizes & Options
Size Range:
- NPS 1/8” to 26” diameter
- Schedules: 10, 20, 40, 80, 160, and XXS
Pipe Ends:
- Plain End (PE)
- Beveled End (BE)
- Threaded & Coupled (T&C)
Length Options:
- Single Random Length (SRL)
- Double Random Length (DRL)
- Custom Cut-to-Length
Coating Finishes:
- Bare / Black
- Hot-Dip Galvanized
- Special Coatings (on request)
Applications
- Oil and gas pipelines
- Potable water supply systems
- Steam and HVAC lines
- Structural steel supports in construction
- Mechanical equipment and machinery
- Fire sprinkler systems
- Piling, scaffolding, and fencing
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