Stainless steel square tube Material |
201 304 316 2205 2507 |
Tube Standards |
ASTM A554 A213, ASTM A249, ASTM A269, ASME SA213, ASME SA249, ASME SA269, EN 10216-5 TC1 / TC2, PED 97/23/EC, AD 2000, NACE MR0175/ISO 15156 |
Stainless steel square tube Pipes & Tubes Manufacturing Specifications |
ASME 554 |
ASTM A554 |
ASTM A312 |
ASTM A269 |
ASTM A632 |
ASME SA213 |
NFA 49-117 |
BS 10216 |
Or as per customer specifications |
square pipe Tube Size |
10*10 mm OD To 300*300mm mm OD |
Pipe Length |
Single Random, Double Random, Standard & Cut length |
Rectangular decorate Pipes Finish |
Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
Tube Form |
Square Pipes/ Tubes, |
Square Pipes Type |
decorate pipe, ERW, EFW, decorate, Fabricated |
Stainless steel square tube Tube & Pipe I.D. Surface Finish Options |
5, 7 & 10 µin. Ra |
Rectangular tubing JIS |
8A to 250A |
Tube Tolerances |
In accordance with: ASTM: A269 & A632, JIS: G 3459 |
Tube Marking |
Stainless Steel tubes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
stainless steel tubing Application |
Structure, support, building |
tubes Value Added Service |
Draw & Expansion as per required Size & Length, Polish (Electro & Commercial) Annealed & Pickled Bending, Machining Etc. |
square tubes Marking & Traceability |
Each Stainless Steel Tubing is traceable to its producing mill and heat by an identification number etched within 24″ (610mm) of one end. |
stainless steel tubing Test Certificate |
Manufacturer Test Certificate according to EN 10204 3.1 B |
Laboratory Test Certificate from Govt. Approved Lab. |
Under Third Party Inspection |
stainless steel tubing Testing & Inspection |
Visual inspection • Surface roughness measurement • Helium-leak testing • Scanning Electron Microscopy (SEM) • Auger Electron Microscopy (AES) • Election Spectroscopy for Chemical Analysis (ESCA or XPS) • Particle testing • Moisture testing |
We proudly stock an extensive range of ASTM A554 stainless steel square tubes in a multitude of lengths and tailored specifications, ensuring you find exactly what you need.
Our stainless steel square tubing not only meets but exceeds the most rigorous industry standards, guaranteeing you the finest quality available today. This tubing boasts superior corrosion resistance, enhanced mechanical properties when necessary, and offers an elevated stainless steel architectural aesthetic.




We maintain an extensive inventory of ASTM A554 stainless steel square tubes, available in various lengths and custom specifications, ensuring we meet all your needs.
All of our stainless steel square tubing surpasses the industry's stringent standards, guaranteeing you receive the highest-quality products available today. These tubes offer exceptional corrosion resistance, enhanced mechanical properties when needed, and an upgraded architectural appearance.
Advantages of Daxun
- Varieties: From petite to colossal, our extensive range of stainless steel pipes, including premier grades like 304L and 316L, caters to diverse needs.
- Flexibility: Whether you need decorative pipes or steel pipes, our offerings are tailored to meet your project-specific demands.
- Quality Standards: Our stainless steel pipes meet rigorous standards such as ISO9001, ABS, NSF/ANSI Standard 61, and NACE MR0175, ensuring unmatched reliability and performance.
- Custom Orders: Need unique sizes? We offer a wide array of stainless steel pipe customization options at competitive prices, with the convenience of online ordering.
Uncompromising Quality, Timely Delivery, Thorough Inspection
- Daxun conducts a comprehensive suite of quality assurance tests including flattening, pitting and resistance, mechanical, hardness, material positive identification, and expansion tests. These stringent evaluations guarantee our materials are fit for their intended applications.
- Throughout our meticulous production process, we ensure precision by measuring the diameter, thickness, and surface quality of each product. Our standard delivery time is reliably set between 7-15 days. However, for certain special-sized products, the delivery time may extend to 20 days to ensure the highest quality.
We pride ourselves on strictly adhering to contract deadlines and ensuring timely delivery as promised.
- We welcome and support third-party inspections at our factory to ensure thorough evaluation and transparency.
- We offer free samples to our customers, facilitating comprehensive testing and evaluation.
- We provide full support for on-site or video inspections of our factory, assuring transparency and quality control.
Product Info
We supply high-quality square stainless steel tubes for large structural steel constructions. Our tubes not only provide high strength and corrosion resistance for the harshest environments but also add aesthetic value for architectural purposes. For an overview of our offerings, view our stainless steel products line card.
Tube Sizes & Weights
Our structural specialists can help you select the right stainless steel square tube size and other alloy products for your construction needs.
Standard Specifications
We supply various stainless square and rectangular tubes conforming to ASTM A554. View the standard specifications chart.
Stainless Steel Grades
Our products come in a variety of stainless steel grades. To help you select the right products for your construction, we include this stainless steel grades chart.
Reference Catalog
Identify the different structural tubes, pipes, and other products we offer, including stainless steel square tubing. We've included specification charts and product illustrations for easy identification.
Additional Info
Stainless steel square and rectangular tubes, often called tube steel or structural tubing, are critical components in various structural applications. Known as hollow structural sections (HSS), these versatile tubes come in a range of steel types and alloys, designed to meet diverse needs. The manufacturing process mirrors that of traditional pipes but includes additional shaping stands to achieve precise square or rectangular specifications.
Unrivaled Capabilities in Stainless Steel Pipe Manufacturing at Daxun: Setting the Industry Standard
Our forming capabilities are second to none, employing cutting-edge extrusion and cold-working technologies for top-quality tube and pipe production. Daxun also houses one of the largest pilger mills globally and features exclusive hydroforming processes, ensuring the creation of superior fittings that meet the highest standards.
Pioneering Pipe Processing Capabilities at Daxun: Leading the Industry with Innovation
As a vertically integrated manufacturer, Daxun provides a comprehensive one-stop-shop solution, expertly managing entire projects or specific machining tasks. Our extensive services include straightening, drilling, honing, trepanning, cutting, testing, boring, machining, laser welding, polishing, turning, and more, ensuring unmatched quality and precision.
Superior and Enhanced Pipe Solutions: Elevating Industry Standards with Excellence
With vertical and horizontal presses ranging from 12,000 to 35,000 tons, Daxun offers the industry's most comprehensive pipe extrusion capabilities. This allows us to produce the longest lengths and largest diameter pipes available, setting new benchmarks for quality and performance.
Daxun is a premier supplier to the power generation market, delivering an array of products such as ductwork, boiler tubes, main steam tubes, thermal reheat tubes, and flue gas desulfurization units. Our offerings cater to nuclear, coal-fired, renewable energy, and combined cycle applications, ensuring reliable performance across the board.


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Stainless Steel Square Tube
Renowned for being the most versatile of the stainless and heat-resisting steels, 304 stainless steel offers exemplary corrosion resistance against a multitude of chemical corrodents and industrial atmospheres. Our stainless steel rectangular tube boasts unparalleled high and cold temperature working properties.
Stainless Square Tube
The 304 Stainless Steel Square Tube is distinguished by its exceptional formability and the ease with which it can be welded using all standard methods. Certified as 304/304L, it is a preferred choice for fabrication and tooling applications.

Actual Weight & Superior Quality
At Daxun, we are committed to excellence. Our state-of-the-art testing laboratory and equipment ensure that all our stainless steel materials meet exact weight specifications and superior quality standards before shipment. Our dedicated quality control team executes meticulous inspections at every production stage to guarantee top-notch products.
Exceptional After-Sales Services
Our commitment to you extends beyond the initial transaction. Even after receiving your orders, Jiangsu Daxun Alloy Co., Ltd. continues to provide exceptional after-sales services, including ongoing assistance and warranty support to ensure your complete satisfaction.


Q1: What products can you offer?
A: We proudly present a comprehensive selection of top-tier general steel types, including 310S, 316L, 304, 304L, 201, 904L, 316H, 316, and 316L within the prestigious 300 series.
Moreover, our specialization extends to the 400 series and duplex stainless steels, such as 2205, 2304, 2101, 2507, and more. We also excel in providing high-nickel alloys, including 904L, 800H, and 600H.
Q2. Can you produce the products according to my own drawings?
Absolutely! We excel in manufacturing products with precision, fully aligned with your detailed drawings, ensuring your absolute satisfaction.
Q3. How does your factory do regarding quality control?
Quality is our paramount concern. We are steadfast in our commitment to rigorous quality control measures throughout the entire production process.
Q4. Can I request to change the form of packaging and transportation?
Yes, we offer customized packaging and transportation solutions tailored to meet your specific requests,
although any additional costs and price differences incurred during this period will need to be covered by you.
Q5. How does your factory do regarding quality control?
Quality is our paramount concern. We are steadfast in our commitment to rigorous quality control measures throughout the entire production process.
Q6. How long is the delivery time?
A: Typically, it ranges from 7 to 20 working days post payment confirmation.
For urgent orders, we can expedite the process to prioritize and meet your immediate needs.
Q7. What is your Payment?
A: 100% T/T in advance or Western Union for small orders.
B: 30% T/T upfront and the remaining 70% before shipment.
C: 100% Irrevocable LC at sight for substantial orders.
Q8: Can you make DDQ (Deep Drawing Quality)?
A: Yes, we certainly can. Our materials are ideally suited for stainless steel pots, sinks, bowls, and more. Share your specific needs, and we will customize the mechanical properties to precisely match your requirements.
Q9: How to get a sample?
A: FREE samples are available for your inspection and testing. For small pieces, we may cover the courier costs, depending on the circumstances.
Q10: Which countries have you exported to?
A: We have proudly exported our premium stainless steel materials to countries like Vietnam, Thailand, Turkey, Russia, Morocco, Korea, India, Pakistan, UAE, Ukraine, and many others.
Q11: How can I visit your company?
A: Simply fly to Guangzhou Baiyun International Airport, and we will be delighted to arrange your pick-up from there.