1.4301/ 1.4307 Bright Annealed Stainless Steel Tubing
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If you are looking for 1.4301/1.4307 bright annealed stainless steel tubing in stock, Gnee Steel offers high-quality stainless steel tubes that meet international standards. Our 1.4301 (304) and 1.4307 (304L) bright annealed stainless steel tubes are ideal for food processing, chemical industries, pharmaceutical applications, and more. We provide quick shipping, competitive pricing, and customized sizes to suit your specific needs.
1.4301/1.4307 Bright Annealed Stainless Steel Tubing specification
| Property | 1.4301 (304) Stainless Steel | 1.4307 (304L) Stainless Steel |
|---|---|---|
| Material Grade | 1.4301 (304) | 1.4307 (304L) |
| Standard | ASTM A213, ASTM A249 | ASTM A213, ASTM A249 |
| Chemical Composition | C ≤ 0.08%, Cr 18–20%, Ni 8–10.5%, Fe balance | C ≤ 0.03%, Cr 18–20%, Ni 8–12%, Fe balance |
| Surface Finish | Bright Annealed (BA) | Bright Annealed (BA) |
| Diameter Range | 6mm – 150mm (custom options) | 6mm – 150mm (custom options) |
| Wall Thickness | 0.5mm – 5mm (custom options) | 0.5mm – 5mm (custom options) |
| Length | Custom lengths up to 6000mm | Custom lengths up to 6000mm |
| Tensile Strength | 520–700 MPa | 520–700 MPa |
| Yield Strength | 210–250 MPa | 210–250 MPa |
| Elongation | 40% | 40% |
What are the differences between 1.4301 and 1.4307 stainless steel pipes?
The main difference lies in the carbon content: 1.4301 has a higher carbon content, while 1.4307 has a lower carbon content. Therefore, 1.4307 is easier to weld and has better resistance to sensitization. 1.4307 is suitable for high-intensity welding environments, while 1.4301 is widely used for general applications.
Which industries typically use 1.4301/1.4307 stainless steel pipes?
These stainless steel pipes are commonly used in industries such as chemical, food and beverage, pharmaceutical, shipbuilding, and construction.
Can I use 1.4301 and 1.4307 stainless steel tubing in high-temperature applications?
Yes, both grades can withstand temperatures up to 870°C, making them suitable for a wide range of high-temperature applications such as heat exchangers and exhaust systems.
Why Choose Gnee Steel for 1.4301/1.4307 Stainless Steel Tubing
We offer 1.4301 and 1.4307 stainless steel tubing in the following shapes: round, square, and rectangular. A variety of diameters are available, from small precision tubes to large industrial pipelines. All tubing undergoes a bright annealing finish for enhanced aesthetics and corrosion resistance. We also offer custom sizes and lengths to meet specific project requirements.
Quality Certifications and Standards
Our 1.4301 and 1.4307 stainless steel tubing is manufactured according to international quality standards, ensuring durability and high performance. We offer the following quality certifications:
ISO 9001: Quality Management System Certification.
ASTM A269 / A213: Compliant with requirements for seamless stainless steel tubing.
EN 10204 3.1 Certification: Material certificate for traceability.
Factory Test Certificate (MTC): Documentation confirming chemical composition and mechanical properties.


FAQ
Q1: Can Gnee provide custom sizes for 1.4301/1.4307 stainless steel pipes?
A: Yes, we can provide custom diameters, wall thicknesses, and lengths of 1.4301 and 1.4307 stainless steel pipes according to specific project requirements.
Q2: Are 1.4301/1.4307 stainless steel pipes certified?
A: Yes, all our products are ISO, SGS, and BV certified and come with material testing reports to ensure quality and compliance with international standards.
Q3: What are the typical surface treatments for 1.4301/1.4307 stainless steel pipes?
A: Our stainless steel pipes undergo a bright annealing (BA) surface treatment, resulting in a smooth and shiny finish, ideal for applications that combine functionality and aesthetics.







