ASTM A333/ASME SA333 Grade 6 Seamless Carbon Steel Tubes
1. Product Description: ASTM A333/ASME SA333 Grade 6 Seamless Carbon Steel Tubes are engineered to provide exceptional performance in low-temperature applications. These tubes are manufactured without a seam, ensuring uniformity in material properties and structural integrity. They are specifically designed to maintain their mechanical properties at temperatures as low as -45°C (-49°F), making them ideal for cryogenic and freezing environments.
2. Product Parameters:
| Parameter | Description |
| Grade | ASTM A333/ASME SA333 Grade 6 |
| Material | Seamless Carbon Steel |
| Standard | ASTM A333, ASME SA333 |
| Size Range | Various diameters and wall thicknesses as per ASTM/ASME standards |
| Length | Standard lengths, customizable upon request |
| Ends | Plain ends, beveled ends, threaded, or socket-weld ends |
| Surface Treatment | As-rolled, annealed, or normalized |
3. Product Advantages:
- Seamless Construction: Ensures no weak points due to welding, providing better pressure resistance.
- Low-Temperature Resistance: Retains mechanical properties at extremely low temperatures.
- High Strength: Offers a balance of strength and ductility for demanding applications.
- Uniform Quality: Consistent material properties throughout the tube length.
- Corrosion Resistance: Provides resistance to various environmental conditions.
4. Mechanical Properties:
| Property | Requirement |
| Tensile Strength | ≥415 MPa (60,000 psi) |
| Yield Strength | ≥240 MPa (35,000 psi) |
| Elongation | ≥20% in 50 mm (2 in) for tubes ≤ 76 mm (3 in) in diameter |
| Impact Energy | Varies based on wall thickness and temperature service |
5. Chemical Composition:
| Element | Typical Range (%) |
| Carbon | 0.26 - 0.34 |
| Manganese | 0.35 - 0.60 |
| Phosphorus | ≤ 0.025 |
| Sulfur | ≤ 0.025 |
| Silicon | ≤ 0.35 |
6. Product Uses:
- Oil and Gas Industry: Used for transporting fluids in pipelines operating in arctic conditions.
- Chemical Processing: Ideal for handling chemicals that require low-temperature storage and transport.
- Refrigeration Systems: Employed in systems where low temperatures are essential for preservation.
- Construction: Utilized in structural applications that demand high strength at low temperatures.
7. Executing Standards:
- ASTM A333: The tubes are manufactured in compliance with ASTM A333, which specifies the standard for seamless and welded steel pipes for low-temperature service.
- ASME SA333: This standard is referenced for the design and construction of piping systems intended for low-temperature service.
Conclusion: ASTM A333/ASME SA333 Grade 6 Seamless Carbon Steel Tubes are engineered to deliver reliable performance in challenging low-temperature environments. Their seamless construction and adherence to ASTM and ASME standards ensure that these tubes are suitable for a wide range of applications in the oil and gas, chemical processing, refrigeration, and construction industries. These tubes offer a durable and cost-effective solution for projects requiring materials that can withstand freezing temperatures.
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