Description
Product Description
Bright annealed stainless steel tubing is a highly refined and specialized tubing solution designed for industries that demand superior surface finish, exceptional cleanliness, and precise dimensional accuracy. Manufactured through a meticulous annealing process in a controlled atmosphere, these tubes feature a bright, smooth, and reflective finish. The annealing process eliminates surface oxidation and scales, resulting in an attractive and corrosion-resistant surface that enhances performance and aesthetics.
The bright annealed tubing is typically made from stainless steel grades such as 304, 316L, and 321, known for their excellent corrosion resistance, durability, and mechanical properties. These tubes find applications in industries like pharmaceuticals, food and beverage, petrochemicals, and instrumentation, where cleanliness and contamination-free environments are critical.
One of the primary benefits of bright annealed stainless steel tubing is its enhanced corrosion resistance due to the smooth and non-porous surface. The absence of surface imperfections reduces the risk of pitting and crevice corrosion, especially in challenging environments. Moreover, the reflective finish minimizes the buildup of contaminants and eases cleaning, making it ideal for hygiene-critical applications like food processing and medical equipment.
The tubing is available in a variety of sizes, wall thicknesses, and configurations, meeting international standards like ASTM A269, A213, and DIN EN 10216-5. It is widely utilized for heat exchangers, hydraulic lines, precision instruments, and high-purity gas systems, thanks to its strength and ability to maintain performance under high pressure and extreme temperatures.
In summary, bright annealed stainless steel tubing combines functionality, durability, and aesthetics, making it a premium choice for demanding industrial and commercial applications. Its excellent surface quality and performance ensure reliability, longevity, and compliance with stringent industry standards.
Bright Annealed Stainless Steel Tubes Dimensions
| Size | Part Number | Dimensions | |||
|---|---|---|---|---|---|
| (Tube OD) | 304L | 316L | Wall | ID | Gauge |
| 1 “ | A269-4100 | A269-6100 | 0.065 | 0.87 | 16 |
| 1-1/2″ | A269-4150 | A269-6150 | 0.065 | 1.37 | 16 |
| 2 “ | A269-4200 | A269-6200 | 0.065 | 1.87 | 16 |
| 2-1/2″ | A269-4250 | A269-6250 | 0.065 | 2.37 | 16 |
| 3 “ | A269-4300 | A269-6300 | 0.065 | 2.87 | 16 |
| 4 “ | A269-4403 | — | 0.065 | 3.87 | 16 |
| 4 “ | A269-4400 | A269-6400 | 0.083 | 3.834 | 14 |
| 6 “ | A269-4500 | A269-6500 | 0.083 | 4.834 | 14 |
| 6 “ | A269-4600 | A269-6600 | 0.083 | 5.834 | 14 |
| 6 “ | A269-4601 | A269-6601 | 0.109 | 5.782 | 12 |
| 8 “ | A269-4801 | A269-6801 | 0.109 | 7.782 | 12 |
Bright Annealed Stainless Steel Tubing Chemical Composition.
| Element | Percentage (%) |
|---|---|
| Carbon (C) | 0.08 max |
| Manganese (Mn) | 2.00 max |
| Phosphorus (P) | 0.045 max |
| Sulfur (S) | 0.030 max |
| Silicon (Si) | 1.00 max |
| Chromium (Cr) | 18.0 - 20.0 |
| Nickel (Ni) | 8.0 - 10.5 |
| Nitrogen (N) | 0.10 max |
| Iron (Fe) | Balance |
Bright Annealed Stainless Steel Tubing Mechanical Properties.
| Property | Value |
|---|---|
| Tensile Strength | 515 MPa min |
| Yield Strength | 205 MPa min |
| Elongation | 35% min |
| Hardness (Rockwell B) | 95 max |
| Density | 7.9 g/cm³ |
| Modulus of Elasticity | 193 GPa |
Bright Annealed Stainless Steel Tubing Physical Properties.
| Property | Value |
|---|---|
| Material Grades | 304, 316, 321, 347, 310S |
| Density | 7.93 g/cm³ |
| Yield Strength | 205 MPa (30,000 psi) |
| Tensile Strength | 515 MPa (75,000 psi) |
| Elongation | 40% (in 50 mm) |
| Hardness (Rockwell B) | 70-90 HRB |
| Modulus of Elasticity | 193 GPa (28,000,000 psi) |
| Thermal Conductivity | 16.2 W/m·K |
| Electrical Resistivity | 0.72 µΩ·m |
| Melting Point | 1400-1450 °C (2550-2640 °F) |
| Corrosion Resistance | Excellent in various environments |
| Magnetic Properties | Non-magnetic (in annealed condition) |
| Finish | Bright Annealed |
Application
1. Pharmaceutical and Medical Industry
- Hygienic Piping: Used in the production and transportation of pharmaceutical products.
- Medical Equipment: Suitable for instruments requiring high precision and a smooth finish.
2. Food and Beverage Industry
- Dairy and Brewery Applications: Ensures hygiene in processing and transportation.
- Food-grade Systems: Corrosion-resistant and easy to clean for food production lines.
3. Semiconductor Industry
- Ultra-clean Tubing: Essential for environments requiring high purity and contamination-free systems.
4. Aerospace and Automotive Industry
- High-performance Components: Used in exhaust systems, fuel lines, and structural elements.
- Aerospace Applications: Suitable for parts requiring high corrosion resistance and aesthetic finishes.
5. Chemical Processing Industry
- Corrosive Environments: Suitable for handling aggressive chemicals due to its resistance to oxidation and pitting.
6. Energy Sector
- Nuclear and Power Plants: Utilized in applications demanding high strength and durability.
- Oil & Gas Industry: Ideal for use in corrosive downhole environments.
7. Architectural Applications
- Decorative Tubing: Widely used for railings, fittings, and other aesthetic purposes.
- Structural Components: Enhances the appearance while providing durability.
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