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Erw And Seamless Welding Galvanized Steel Pipe
Material
Galvanized steel pipes are made from steel that has been coated with a layer of zinc to prevent corrosion. The two primary types of galvanized steel pipes are Electric Resistance Welded (ERW) and seamless pipes.
Key Features
Corrosion Resistance: The zinc coating provides a protective layer that prevents rust and corrosion.
Durability: Galvanized steel pipes are known for their strength and longevity.
Versatility: They can be used in various applications, including construction, plumbing, and industrial uses.
Cost-Effectiveness: Galvanized pipes are generally more affordable than other types of coated pipes.
Ease of Installation: They are lightweight and easy to handle, making installation straightforward.
Chemical Composition
| Element | Percentage (%) |
| Carbon (C) | 0.05 - 0.26 |
| Manganese (Mn) | 0.30 - 0.90 |
| Phosphorus (P) | ≤ 0.04 |
| Sulfur (S) | ≤ 0.05 |
| Zinc (Zn) | 0.5 - 1.5 |
Mechanical Properties
| Property | Value |
| Yield Strength | 250 - 350 MPa |
| Tensile Strength | 400 - 550 MPa |
| Elongation | 20 - 30% |
| Hardness | 120 - 180 HB |
Physical Properties
| Property | Value |
| Density | 7.85 g/cm³ |
| Melting Point | 1425 - 1540 °C |
| Thermal Conductivity | 50 W/m·K |
| Electrical Conductivity | 1.7 × 10^6 S/m |
Process Performance
| Process | Performance |
| Welding | Good |
| Formability | Excellent |
| Machinability | Moderate |
| Coating Adherence | High |
Steel Grade
Galvanized steel pipes are available in various grades, including:
ASTM A53: Standard specification for pipe, suitable for welding and bending.
ASTM A500: Specification for cold-formed welded and seamless carbon steel structural tubing.
ASTM A795: Standard for black and hot-dipped galvanized welded and seamless steel pipe for fire protection use.
Each grade has specific mechanical and chemical properties tailored for different applications.
Application
Galvanized steel pipes are widely used in:
Construction: For structural support and scaffolding.
Plumbing: For water supply lines and drainage systems.
Agriculture: For irrigation systems and fencing.
Industrial: For transporting fluids and gases.
Possible Alternative Grades
Black Steel Pipe: Used for gas and water lines, but lacks the corrosion resistance of galvanized pipes.
Stainless Steel Pipe: Offers superior corrosion resistance and is suitable for high-temperature applications.
PVC Pipe: A lightweight alternative for plumbing and drainage, but not suitable for high-pressure applications.
Our company continuously promotes production efficiency, improves High Quality Galvanized Square and Rectangular Steel Pipes and Tubes Hot Rolled Hollow Section Mild Carbon Ms Iron Tubes Cheap Price ERW Black Seamless Galvaniz quality and optimizes production process. We keep pace with the times, strive to develop, give full play to the team's ingenuity, and display individual abilities and skills. We practice the customer-centered value concept, improve service quality and build brand competitiveness.
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