ASTM A53 Gr.A Gr.B Welded Steel Tube Black Hot-Dipped Zinc-Coated Welded Steel Tube For General Purpose
Material
ASTM A53 is a specification for pipe intended for mechanical and pressure applications, and is suitable for welding and bending. The specification covers both black and hot-dipped galvanized welded and seamless steel pipes.
Specification
The ASTM A53 specification includes two grades of steel: Grade A and Grade B. These grades differ in their chemical composition and mechanical properties.
Key Features
- Versatility: Suitable for a wide range of applications including structural and mechanical uses.
- Corrosion Resistance: Hot-dipped zinc coating provides excellent corrosion resistance.
- Weldability: Designed for welding, making it ideal for various construction and manufacturing processes.
- Availability: Widely available in different sizes and thicknesses.
Chemical Composition
| Element | Grade A (%) | Grade B (%) |
| Carbon (C) | 0.25 max | 0.26 max |
| Manganese (Mn) | 0.40 max | 0.40 max |
| Phosphorus (P) | 0.04 max | 0.04 max |
| Sulfur (S) | 0.05 max | 0.05 max |
| Copper (Cu) | 0.20 max | 0.20 max |
| Silicon (Si) | 0.10 - 0.40 | 0.10 - 0.40 |
| Nickel (Ni) | 0.40 max | 0.40 max |
| Chromium (Cr) | 0.40 max | 0.40 max |
Mechanical Properties
| Property | Grade A | Grade B |
| Yield Strength (ksi) | 30 | 35 |
| Tensile Strength (ksi) | 48 | 60 |
| Elongation (%) | 20 | 20 |
| Hardness (Rockwell) | B70 | B70 |
Steel Grade
- Grade A: Lower strength, suitable for non-critical applications.
- Grade B: Higher strength, suitable for more demanding applications.
Application
ASTM A53 welded steel tubes are commonly used in:
- Structural applications
- Plumbing and piping systems
- Oil and gas industries
- Mechanical applications
- General construction
Possible Alternative Grades
- ASTM A500: For cold-formed welded and seamless structural tubing.
- ASTM A252: For welded and seamless steel pipe piles.
- ASTM A106: For seamless carbon steel pipe for high-temperature service.
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seamless steel pipes ( carbon steel and stainless steel), welded pipes ( carbon steel and stainless steel), pipe fittings ( carbon steel and stainless steel), titanium (titanium tubes, titanium rods, titanium cakes, titanium plates, etc.), aluminum (aluminum tubes, aluminum rods, aluminum die casting, aluminum casting, CNC machining), and CNC deep processing of metal materials such as tubes, rods, and casting parts.
Over the past 30 years, the company has been gradually developing new technologies and materials to meet
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Q: Are you trading company or manufacturer ?
A: manufacturer,also can do trading.
Q: How long is your delivery time?
A: Generally speaking,it is 10-15 days if the goods are in stock,or it is 30-40 days if the goods are not in stock, it is according to quantity.
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