



Huaxiao Metal is an outstanding 304 Stainless Steel Welded Tube Manufacturer and supplier in China and has 15 years of export experience, we can 100% guarantee product quality. SS 304 is one of the most widely used non-magnetic austenitic stainless steel grades and is suitable for the manufacture of all types of pipes. Shapes: Stainless Steel Rectangle Tube, Stainless Steel Round Welded Tube, Square Stainless Welded Tube, etc.
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304 Stainless Steel Welded Tube Manufacturer | Supplier | Factory – China Stainless Welded Tube
About Huaxiao Metal Suppliers
As a leading 304 stainless steel welded tube supplier in China, Huaxiao Metal provides a wide range of round, square, and rectangular tubes manufactured through advanced automated welding processes (TIG, Plasma, and Laser welding). Grade 304 welded pipes are the industry standard for corrosion resistance and structural strength, while 304L welded tubes offer enhanced protection against intergranular corrosion in the heat-affected zone (HAZ) after welding.
Our production strictly adheres to international standards, including ASTM A249, ASTM A269, ASTM A554, and EN 10217-7. With a monthly production capacity of over 5,000 tons, we provide customized lengths, surface polishes (Grit 180, 240, 320, 400, 600), and comprehensive quality testing (Eddy Current, Hydrostatic, and X-ray) for global industrial projects.

304 stainless steel welded tube
Choose Huaxiao Metal to provide you with reliable, high-performance SS 304 welded pipes to meet your specific needs. Contact us now for more information and to discuss 304 welded pipe prices.
Technical Specifications for SS 304 Welded Tubes
- Grade: (S30400 / S30403) 304 Stainless Steel
- Standard: ASTM A312 TP304 / TP304L, A213, A269, A554, A249, DIN 17457, JIS G3448
- Outer Diameter (OD): 6mm to 630mm
- Wall Thickness (WT): 0.5mm to 30mm
- Length: Up to 12 meters or custom lengths available upon request
- Schedules: SCH. 5, 10, 20, 30, 40, 60, 80, 100, 120, 140, 160, XXS.
- Types: Round, Square, Rectangle, Hydraulic, Honed Tubes
- End: Plain End, Beveled End
- Welding Method: TIG (Tungsten Inert Gas), Plasma, or Laser Welding
- Surface Finish: Mill Finish, Pickled, Mirror Polished (8K), Brushed (Satin)
304 stainless steel welded pipes can be customized to different specifications according to customer needs. Common forms include round pipes, square pipes, and rectangular pipes.
Description of China Stainless Steel 304 Welded Tubes
304 stainless steel is an austenitic stainless steel, which is a steel pipe formed by welding 304 steel plates or coils. Its main components are 18% chromium and 8% nickel, which gives it excellent corrosion resistance and good machinability.
Stainless Steel 304 Welded Tubes is a high-quality stainless steel tube made of 304 stainless steel through the welding process. 304 stainless steel is widely used in various industrial fields due to its excellent corrosion resistance and mechanical properties. Huaxiao Metal specializes in the production and supply of 304 stainless steel welded tubes, which have excellent formability, weldability, and corrosion resistance, ensuring the stability of product quality and performance.

Contact us now to buy Stainless Steel 304 Welded Tubes and give you the most competitive price!
Mechanical Properties for SS 304 Welded Tubes
| Property | 304 | 304L |
|---|---|---|
| Tensile Strength | ≥515 MPa | ≥485 MPa |
| Yield Strength | ≥205 MPa | ≥170 MPa |
| Elongation | ≥35% | ≥35% |
These properties make 304 welded tubes suitable for structural and fluid handling applications.
304 vs 304L Welded Tube – What’s the Difference?
| Item | 304 | 304L |
|---|---|---|
| Carbon Content | ≤0.08% | ≤0.03% |
| Weldability | Good | Excellent |
| Intergranular Corrosion | Moderate | Lower Risk |
| Typical Use | General industrial | Heavy welding structures |
If your project involves extensive welding, 304L welded tubes are recommended.
Why Choose Our 304 Welded Pipes?
High-Precision Welding: Our automated welding lines ensure consistent penetration and a smooth internal bead (bead-removed options available for food grade).
Rigorous Testing: 100% Eddy Current Testing is performed on all tubes to detect internal defects and ensure pressure-bearing safety.
Material Traceability: Each batch is delivered with an EN 10204 3.1 Mill Test Certificate (MTC).
Key Applications: Heat Exchangers & Condensers: (ASTM A249/A269)
Food & Beverage Industry: (ASTM A270 Sanitary Tubing)
Architectural Decoration: Handrails, balustrades, and structural supports (ASTM A554).
Automotive Exhaust Systems.
Why choose Huaxiao from China SS 304 Welded Tube Manufacturer and Suppliers?
1. Guarantee Product Quality
We have been a 304 welded tube manufacturer for more than ten years, and we strictly control the quality of our products. Before the customer places an order, we will send the product warranty to the customer, or if some customers need samples for testing, we can also send samples for free.

304 stainless steel welded tube
During production, we will measure the diameter, thickness, and whether there is any damage on the surface of the product.
Measuring the Diameter of 304 Stainless Steel Pipe

Measuring the Thickness of Stainless Steel 304 Pipe

2. Delivery On Time
Our normal delivery time is 7-15 days, except for some special-size products, our delivery time will increase to 20 days.
Our delivery time is strictly by the contract.
3. Support Inspection
- Support the customer’s third-party organization to go to the factory for inspection
- Support free sending samples to customers for testing
- Support on-site or video factory inspection
4. Stainless Steel 304 Welded Pipe Price
The price of the product is related to many factors, we do not have a direct price list for your reference.
If you need a specific stainless steel 304 welded tube price, please send me the specific size and quantity, the more the quantity, the better the price!
Application of Stainless Steel 304 Welded Tube
- Construction: Structural and architectural uses
- Automotive: Exhaust systems, mufflers
- Chemical Processing: Piping systems, heat exchangers
- Food and Beverage: Equipment and sanitary tubing
- Other Industries: Marine, pharmaceuticals, and more

Contact us now to get the price and stock information of 304 stainless steel welded pipe.
Characteristics of 304 Stainless Steel Welded Pipe
Excellent Corrosion Resistance:
304 stainless steel welded pipe can effectively resist common oxidation and acid corrosion and is particularly suitable for humid or mildly corrosive environments.
Good Welding Performance:
304 stainless steel welded pipe can be welded without heat treatment, and the performance will not be significantly reduced after welding.
Strength and Toughness Balance:
Its appropriate mechanical strength and excellent toughness make it widely used in structural applications.
High-Temperature Resistance:
304 welded pipe can still maintain strength at a continuous operating temperature of 870°C and can also work stably at an intermittent temperature of 925°C.
Contact us now to get the price and stock information of 304 stainless steel welded pipe.
Package of Stainless Steel 304 Welded Tube
Huaxiao is one of the ss 304 welded tube suppliers with many years of export experience. Our company exports stainless steel welded tube pipes to South Korea, Canada, Poland, Mexico, and other countries all year round. Current customers trust us very much, and we can also guarantee the quality of welded tube pipes 100%.
The conventional export packaging is as follows. If customers need other packaging methods, we are very happy to cooperate and look forward to cooperating with you.




Contact us now to get the price and stock information of 304 stainless steel welded pipe.
How to Choose the Right 304 Stainless Steel Welded Pipe?
According to the Application Environment:
If used in a humid or corrosive environment, it is recommended to choose 304 or 316 stainless steel welded tubes.
According to the Cost Budget:
Under the premise of meeting the strength and corrosion resistance requirements, welded pipes are an economical solution.
Choose a Reliable Stainless Steel Welded Tube Supplier:
Choose a 304 stainless steel welded tube supplier with strict quality control and after-sales service to ensure that the product meets the standards.
FAQ: Professional Guide to 304 Stainless Steel Welded Tubing
Can 304 welded tubes be used for high-pressure fluid transport?
Yes, but it depends on the manufacturing standard. For pressure purposes, we recommend ASTM A249 or ASTM A269 tubes, which undergo hydrostatic and nondestructive testing to ensure they can withstand specific pressure ratings (e.g., in heat exchangers).
What is the difference between 304 and 304L welded tubes?
304L stainless steel has a low carbon content (≤0.03%), which prevents carbide precipitation during welding. Therefore, 304L welded pipes perform better in thick-walled welding applications where post-weld annealing is not possible, as they maintain the corrosion resistance of the weld.
Do you provide "Bead-Removed" welded tubes?
Yes. For sanitary or high-flow applications, we offer internal weld bead rolling or grinding to ensure the inner surface is as smooth as the base metal, preventing bacterial growth or flow resistance.
How do I get a wholesale price for 304 stainless steel welded tubes?
Prices are based on the LME nickel price and the processing cost of specific sizes. Please provide your OD, Wall Thickness, Length, and Standard to get a real-time quote. We offer tiered discounts for bulk orders.
Is 304 welded pipe suitable for food-grade applications?
Yes, 304 stainless steel is widely used in food and beverage industries due to its corrosion resistance and hygienic properties.
What is the difference between ASTM A312 and A249?
ASTM A312 covers general service stainless steel pipes, while ASTM A249 focuses on welded tubes for boilers and heat exchangers.
Can 304 welded pipe be polished?
Yes, we provide polished and mirror finishes for decorative and architectural use.
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