Quality Stainless Steel Tube Suppliers - Seamless & Welded Pipes
Huaxiao Metal: As your trusted partner, we are committed to providing high-quality stainless steel pipe products to meet your various needs. Our stainless steel pipes are widely used in industry, construction, chemical industry, food processing, and other fields, with excellent corrosion resistance and strength, ensuring long-term stable operation of your project.
Huaxiao Metal has advanced production equipment and rich manufacturing experience, and can customize stainless steel pipes of different specifications and sizes according to customer’s specific requirements to ensure a perfect fit for your project. We strictly control the quality during production to ensure that every stainless steel pipe meets international standards, providing reliable product guarantees.
ISO 9001 Certified
15+ Years Global Export Experience
Large Inventory of 304/316L/Duplex
Custom Cutting & Fabrication Services
Contact us now and we will be happy to provide you with the highest quality stainless steel pipe products and services!
Stainless Steel Tube - Huaxiao Metal
As one of the leading stainless steel tube suppliers in China, Huaxiao Metal Co., Ltd. takes pride in providing high-quality stainless steel pipe products to our customers. The following are the ss pipe specifications we can provide.
- 1. Material: stainless steel (typical grades such as 304, 316, 316L, 2205, etc.)
- 2. Dimensions: Outer Diameter (OD) x Wall Thickness (WT) x Length
- 3. Standard: ASTM, ASME, EN, DIN, JIS, or other international standards
- 4. Manufacturing method: seamless or welded
- 5. Surface treatment: annealing, pickling, polishing, etc.
- 6. Application: industry, construction, automobile, etc.
We provide high-quality 304, 316L, and duplex stainless steel tubes, both seamless and welded, for a wide range of industrial and commercial applications.
Get in touch today to request a free quote and learn about our stainless steel tube prices!
Table of Contents
Stainless Steel Tube Specifications & Grade Selection
Selecting the correct stainless steel grade and tube type is crucial for project success. Huaxiao Metal offers an extensive range to meet the demands of various operating environments, from high-temperature processing to severe corrosive conditions.
Types of Tubes We Supply
| Tube Type | Key Features & Applications |
| Seamless Tube | High Pressure Resistance. Produced without welding. Ideal for chemical processing, oil & gas, and heat exchangers where integrity is critical. (ASTM A269/A312) |
| Welded Tube | Cost-Effective & High Precision. Produced from strip/coil. Excellent for decorative, structural, and lower-pressure fluid transport applications. (ASTM A249/A270) |
Available Grades & Standards
| Standard Grade | UNS No. | Key Properties & Common Applications |
| 304 / 304L | S30400 / S30403 | Excellent corrosion resistance, good formability. Widely used in food, general industry, and architectural trim. |
| 316 / 316L | S31600 / S31603 | Enhanced corrosion resistance, especially to chlorides. Essential for marine, chemical, and pharmaceutical environments. |
| Duplex (2205) | S31803 / S32205 | High strength and superior resistance to stress corrosion cracking. Used in offshore and demanding structural applications. |
| Others | 321, 904L, Super Duplex (2507) | Available upon request for specialized project requirements. |
Dimensions & Finishes
| Parameter | Huaxiao’s Range | Note |
| Outer Diameter (OD) | 6 mm to 630 mm (1/8 inch to 24 inch) | Full Metric and Imperial sizes available. |
| Wall Thickness (WT) | 0.5 mm to 50 mm (Sch 5S to Sch 80) | Custom wall thickness tolerance available. |
| Length | 3 Meters, 6 Meters, or Custom Cut to Length | Minimize waste with precise length requirements. |
| Surface Finish | Annealed & Pickled (AP), Bright Annealed (BA), Mechanically Polished (Mirror Finish) | BA finish is ideal for sanitary and high-cleanliness applications. |
Classification of Stainless Steel Pipes
Stainless steel pipes can be classified based on their manufacturing process, material composition, and shape. Here’s a breakdown of each classification:
a. Stainless Steel Round Tubes: The most common shape used in various applications.
b. Stainless Steel Square Tubes: Used for structural and ornamental purposes.
c. Stainless Steel Rectangular Tubes: Also used for structural and decorative applications.
d. Oval Stainless Steel Tubes: These have an elliptical cross-section and find use in special applications like handrails and exhaust systems.
a. Seamless Stainless Steel Pipes: These pipes are manufactured without any welding joints, resulting in a smooth interior surface. They are produced through a hot or cold drawing process.
b. Stainless Steel Welded Pipes: These pipes are formed by welding stainless steel plates or coils together. They can be further classified into:
- – Longitudinal Welded Pipes: Welded along the length of the pipe.
- – Spiral Welded Pipes: Manufactured by helically welding coiled steel.
- – Electric Resistance Welded (ERW) Pipes: Produced by welding using electric resistance.
a. Austenitic Stainless Steel Pipes: The most commonly used type, known for their excellent corrosion resistance and high ductility. Examples include grades like 304 and 316.
b. Ferritic Stainless Steel Pipes: Have higher chromium content and lower carbon content, offering good corrosion resistance and moderate strength. Grade 409 is an example.
c. Martensitic Stainless Steel Pipes: These pipes have high hardness and strength but lower corrosion resistance compared to austenitic grades. Grade 410 is an example.
d. Duplex Stainless Steel Pipes: Combining characteristics of both austenitic and ferritic stainless steels, they offer high strength and better resistance to stress corrosion cracking. Grade 2205 is an example.
Classification Based On Shape:
Stainless Steel Round Tubes
The size range of Stainless Steel Round Tubes can vary depending on the specific manufacturing standards and requirements of different industries. However, here is a generalized list of common size ranges for Stainless Steel Round Pipes:
Outer Diameter (OD):
- Small Diameter: 1/8″ (3.175 mm) to 1″ (25.4 mm)
- Medium Diameter: 1″ (25.4 mm) to 12″ (304.8 mm)
- Large Diameter: 12″ (304.8 mm) and above
Wall Thickness (WT):
- Thin Wall: 0.028″ (0.71 mm) to 0.065″ (1.65 mm)
- Standard Wall: 0.065″ (1.65 mm) to 0.154″ (3.91 mm)
- Thick Wall: 0.154″ (3.91 mm) and above
Please note that these size ranges are for guidance only. Please contact the stainless steel round tube manufacturer or supplier for exact information on available sizes and specifications.
Stainless Steel Square Tubes
The size range of Stainless Steel Square Tubes can vary depending on the specific manufacturing standards and requirements of different industries. However, here is a generalized list of common size ranges for Stainless Steel Square Tubes:
Outer Dimensions (Width x Height):
- – Small Size: 1/2″ x 1/2″ (12.7 mm x 12.7 mm) to 1″ x 1″ (25.4 mm x 25.4 mm)
- – Medium Size: 1″ x 1″ (25.4 mm x 25.4 mm) to 4″ x 4″ (101.6 mm x 101.6 mm)
- – Large Size: 4″ x 4″ (101.6 mm x 101.6 mm) and above
Wall Thickness (WT):
- – Thin Wall: 0.028″ (0.71 mm) to 0.065″ (1.65 mm)
- – Standard Wall: 0.065″ (1.65 mm) to 0.154″ (3.91 mm)
- – Thick Wall: 0.154″ (3.91 mm) and above
Please note that these size ranges are for guidance only. Please contact the stainless steel square tube manufacturer or supplier for exact information on available sizes and specifications.
Stainless Steel Rectangular Tubes
The size range of Stainless Steel Rectangular Tubes can vary depending on the specific manufacturing standards and requirements of different industries. However, here is a generalized list of common size ranges for Stainless Steel Rectangular Tubes:
Outer Dimensions (Width x Height):
- Small Size: 1/2″ x 1″ (12.7 mm x 25.4 mm) to 1″ x 2″ (25.4 mm x 50.8 mm)
- Medium Size: 1″ x 2″ (25.4 mm x 50.8 mm) to 4″ x 6″ (101.6 mm x 152.4 mm)
- Large Size: 4″ x 6″ (101.6 mm x 152.4 mm) and above
Wall Thickness (WT):
- Thin Wall: 0.028″ (0.71 mm) to 0.065″ (1.65 mm)
- Standard Wall: 0.065″ (1.65 mm) to 0.154″ (3.91 mm)
- Thick Wall: 0.154″ (3.91 mm) and above
Please note that these size ranges are for guidance only. Please contact the stainless steel rectangular tube manufacturer or supplier for exact information on available sizes and specifications.
Oval Stainless Steel Tubes
The size range of Oval Stainless Steel Tubes can vary depending on the specific manufacturing standards and requirements of different industries. However, here is a generalized list of common size ranges for Oval Stainless Steel Tubes:
Outer Dimensions (Width x Height):
- Small Size: 0.5″ x 1″ (12.7 mm x 25.4 mm) to 1″ x 2″ (25.4 mm x 50.8 mm)
- Medium Size: 1″ x 2″ (25.4 mm x 50.8 mm) to 3″ x 6″ (76.2 mm x 152.4 mm)
- Large Size: 3″ x 6″ (76.2 mm x 152.4 mm) and above
Wall Thickness (WT):
- Thin Wall: 0.028″ (0.71 mm) to 0.065″ (1.65 mm)
- Standard Wall: 0.065″ (1.65 mm) to 0.154″ (3.91 mm)
- Thick Wall: 0.154″ (3.91 mm) and above
Please note that these size ranges are for guidance only. Please contact the oval stainless steel pipe manufacturer or supplier for exact information on available sizes and specifications.
Classification Based On Manufacturing Process:
Seamless Stainless Steel Pipes
The size range of Seamless Stainless Steel Pipes can vary depending on the specific manufacturing standards and requirements of different industries. However, here is a generalized list of common size ranges for Seamless Stainless Steel Pipes:
Outer Diameter (OD):
- – Small Diameter: 1/8″ (3.175 mm) to 1″ (25.4 mm)
- – Medium Diameter: 1″ (25.4 mm) to 12″ (304.8 mm)
- – Large Diameter: 12″ (304.8 mm) and above
Wall Thickness (WT):
- – Thin Wall: 0.028″ (0.71 mm) to 0.065″ (1.65 mm)
- – Standard Wall: 0.065″ (1.65 mm) to 0.154″ (3.91 mm)
- – Thick Wall: 0.154″ (3.91 mm) and above
Please note that these size ranges are for guidance only. Please contact the stainless steel seamless pipe manufacturer or supplier for exact information on available sizes and specifications.
Stainless Steel Welded Tubes
The size range of Stainless Steel Welded Tubes can vary depending on the specific manufacturing standards and requirements of different industries. However, here is a generalized list of common size ranges for Stainless Steel Welded Tubes:
Outer Diameter (OD):
- – Small Diameter: 1/8″ (3.175 mm) to 1″ (25.4 mm)
- – Medium Diameter: 1″ (25.4 mm) to 12″ (304.8 mm)
- – Large Diameter: 12″ (304.8 mm) and above
Wall Thickness (WT):
- – Thin Wall: 0.028″ (0.71 mm) to 0.065″ (1.65 mm)
- – Standard Wall: 0.065″ (1.65 mm) to 0.154″ (3.91 mm)
- – Thick Wall: 0.154″ (3.91 mm) and above
Please note that these size ranges are for guidance only. Please contact the stainless steel welded tube manufacturer or supplier for exact information on available sizes and specifications.
Classification Based On Grade:
316 Stainless Steel Tubes
316 stainless steel tubes are a type of stainless steel pipe that is made from the alloy 316, which is a popular grade of stainless steel known for its excellent corrosion resistance and high-temperature strength. These pipes are widely used in various industries and applications where resistance to corrosion and chemical exposure is essential.
Please contact the 316 stainless steel tube supplier or manufacturer for exact information on available sizes and specifications.
304 Stainless Steel Tubes
304 stainless steel tubes are a type of stainless steel tubing made from the alloy 304, which is one of the most commonly used and widely available grades of stainless steel. These tubes are known for their excellent corrosion resistance, versatility, and ease of fabrication, making them suitable for various applications across different industries.
Please contact the 304 stainless steel tube supplier or manufacturer for exact information on available sizes and specifications.
Duplex Stainless Steel Pipes
Duplex stainless steel pipes are a type of stainless steel pipe that belongs to the family of duplex steels. Duplex stainless steels are a combination of both austenitic and ferritic stainless steels, offering a unique set of properties that make them highly suitable for specific applications, especially in environments where both high strength and corrosion resistance are required.
Please contact the duplex stainless steel pipe supplier or manufacturer for exact information on available sizes and specifications.
Applications of Stainless Steel Tubes
Chemical & Petrochemical Industry – for acid-resistant piping, reactors, and condensers.
Food & Beverage Processing – hygienic tubes for milk, wine, beer, and water supply.
Construction & Architecture – decorative handrails, support columns, structural frames.
Marine & Offshore Engineering – resistant to seawater corrosion in shipbuilding and offshore platforms.
Automotive & Aerospace – exhaust systems, hydraulic lines, fuel and fluid transport.
👉 Looking for reliable stainless steel tube suppliers? Contact Huaxiao Metal to consult pricing today!
Why Choose Huaxiao As Your Stainless Steel Tube Suppliers
As one of the stainless steel tube suppliers in China, we at Huaxiao Metal Corporation Limited take great pride in providing high-quality stainless pipe products to our customers. Here are some reasons why we believe you should choose us as your stainless steel tube suppliers:
- Wide range of stainless steel pipe products: As an experienced stainless steel pipe supplier, we offer a wide range of stainless steel pipe products to meet the diverse needs of our customers. We provide various alloys, sizes, and thicknesses of stainless tubes to ensure that our customers can find the products they need.
- High-quality stainless steel pipe products: We have strict quality control procedures in place to ensure that our stainless steel tube products meet the required quality standards. We have advanced equipment and technology to produce high-quality ss pipes.
- Competitive pricing: We offer competitive pricing for our ss pipe products without compromising on quality. We strive to offer flexible pricing options to meet the needs and budgets of our customers.
- Efficient logistics: We have an efficient logistics system that ensures fast and reliable delivery of stainless tube products to our customers. We have a reliable transportation network that ensures the timely delivery of products to customers around the world.
- Excellent customer service: We have a team of dedicated professionals who provide excellent customer service. We are always available to answer customer queries, offer technical support, and provide after-sales service.
Stainless Steel Tube Stock
Package of Stainless Steel Pipes
We are one of the professional stainless steel tube suppliers in China, committed to providing customers with high-quality products and services. As a trustworthy supplier, we attach great importance to the packaging of stainless steel pipes to ensure that the product is not damaged during transportation.
As one of the stainless steel tube suppliers in China with many years of experience, our professional team will do our best to provide customers with the best products and services. We know that every detail matters to our customers, so we keep improving our services to meet our customers’ needs. We look forward to working with you to provide you with the best stainless steel pipe and related services.
FAQ
What is the main difference between Stainless Steel Tube and Pipe?
Pipe is typically measured by its nominal size (DN or NPS) and Schedule (wall thickness), primarily for fluid transport. Tube is generally measured by its precise Outer Diameter (OD) and Wall Thickness, used more often in structural, pressure, and instrument applications where exact sizing is critical.
What is the difference between seamless and welded stainless steel tubes?
Seamless stainless steel pipe is made from a single solid piece of steel without welds or seams. It offers greater strength, pressure-bearing capacity, and corrosion resistance, making it suitable for high-pressure or critical applications. In contrast, welded stainless steel pipe has an internal weld seam. It is made by rolling stainless steel strip into a tubular form and then welding the seams. While welded pipe is generally less expensive and suitable for a variety of applications, its longitudinal seams can be a potential weak point, presenting a higher risk of defects than seamless pipe.
How to choose between 304 and 316L stainless steel tubes?
304 is ideal for general use and indoor applications, while 316L provides better resistance to chloride corrosion, making it perfect for marine and chemical environments.
What surface finishes are available?
Polished, pickled, annealed, and brushed finishes can be provided according to project requirements.
What is your typical lead time for custom orders?
Lead times vary based on specifications and quantity, but we maintain a robust stock of popular grades (304/316L) for immediate processing.
Can Huaxiao Metal provide stainless steel tube price quotes?
Yes, simply click “Get A Quote” and our sales team will respond within 24 hours.
Contact Us for Stainless Steel Tube Price
Huaxiao Metal provides a wide range of welded and seamless stainless steel pipes to meet your application requirements. We also offer rectangular steel tubing, square tubing, and round tubing in stainless steel and other materials. Request a quote for your steel pipes today.





