• Stainless Steel Square Tube — Reliable & Durable
  • Stainless Steel Square Tube — Reliable & Durable

Stainless Steel Square Tube — Reliable & Durable

Premium stainless steel square tubes available in seamless & welded types, with grades 304, 316L, 321, 310S, 904L, and 2205.
Custom sizes, wall thickness, and surface finishes to meet both structural and decorative needs.
Factory direct supply with ISO-certified quality, fast samples, and global shipping.
Ideal for construction, furniture, handrails, machinery, and chemical equipment.
  • Stainless Steel Square Tube — Reliable & Durable
  • Desciption
  • Company

Product Overview

Our stainless steel square tubes are manufactured in seamless and welded types, offering excellent strength, corrosion resistance, and smooth finishes. Available in grades 304, 316L, 321, 310S, 904L, and duplex steel, they are suitable for both structural and decorative purposes.

Key Advantages

Factory direct with competitive pricing
Wide grade range: 304, 316L, 321, 310S, 904L, 2205
Seamless & welded square tubes available
Custom cutting, polishing, bending, and fabrication
Samples & third-party inspection on request

Specifications for Stainless Steel Square Tube

Standard Grade Size Range (Side × Side) Wall Thickness Length Tolerance Surface Finish Application
ASTM A554 / EN 10296 304 / 304L 10×10 mm – 300×300 mm 0.8 – 12 mm 6m / custom ±0.5% 2B, BA, Hairline, Mirror, Satin Handrails, Furniture, Décor
ASTM A312 / GB/T14976 316 / 316L 15×15 mm – 200×200 mm 1.0 – 10 mm 6m / custom ±0.5% Pickled, Polished, Mirror Marine, Food, Pharma
ASTM A312 321 / 310S 20×20 mm – 150×150 mm 1.5 – 8 mm 6m / custom ±0.5% Bright Annealed, Pickled High-temp Structures
ASTM A312 / EN 10217 904L / 2205 20×20 mm – 120×120 mm 2.0 – 12 mm 6m / custom ±0.5% Acid Pickled, Polished Chemical, Offshore, Pressure Systems

Surface & Processing

Options include 2B, BA, brushed, mirror (#4, #8), and pickled finishes. Processing services: cutting, polishing, bending, drilling, and welding.

Packing & Delivery

All square tubes are packed in waterproof wrapping, protective layers, and wooden cases or pallets. Samples ship within 5–7 days, bulk orders 15–30 days. Shipping terms: FOB, CIF, DAP, EXW.

Applications

Stainless steel square tubes are widely used in construction, architecture, handrails, furniture, machinery, chemical equipment, and marine projects.

Why Choose Us?

ISO9001 certified, quality guaranteed
Flexible MOQ & sample support
Strong production capacity & inventory
Serving clients worldwide

Premium Stainless Steel Square Tubes — Factory Direct, Certified Quality, Global Shipping. Contact us today for samples and competitive quotes.

Company Profile

Wuxi Xinshanhu Steel Co., Ltd. is an eleven-year-old Chinese alloy manufacturer with rich production experience, well-trained workers and excellent engineers. Our factory has a mature production system and multiple steel production lines. Including Cold-rolled flat cutting machine, Hot-rolled flat cutting machine; High-speed flat cutting machine; Precision high-speed slitting machine, Ultra high pressure water jet cutting machine; Sheet fiber laser cutting machine; Thin-walled cylinder longitudinal seam automatic welding machine and Machine shop. Our products include Hastelloy, Incoloy, Inconel, Monel, Nickel Alloy, Nickel Alloy, Titanium Alloy, Haynes, etc. The supply styles include plates, strips, rods, wires, forgings, bare rods, welding materials, flanges, etc. We support custom-made according to drawings.

                                                             
                       


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FAQ

Q1. Where is your factory?

A1: Our company’s processing center is located in Wuxi, Jiangsu, China. It is well equipped with kinds of machines, such as laser cutting machine, mirror polishing machine and so on. We can provide a wide range of personalized services according to the customers’ needs.

Q2. What are your company's main products?

A2: Our products include Hastelloy, Incoloy, Inconel, Monel, Nickel Alloy, Nickel Alloy, Titanium Alloy, Haynes, etc.The supply styles include plates, strips, rods, wires, forgings, bare rods, welding materials, flanges, etc. We support custom-made according to drawings.

Q3. How do you control quality?

A3: Mill Test Certification is supplied with shipment, Third Party Inspection is available.

Q4. What are the advantages of your company?

A4: We have many professionals, technical personnel, more competitive prices, and best after-sales service than other alloy companies.

Q5. How many countries have you already exported to?

A5: Exported to more than 50 countries mainly from America, Russia, UK, Kuwait, Egypt, Turkey, Jordan, India, etc.

Q6. Do you provide samples? is it free or extra?

A6: Yes, we could offer the sample for free charge but do not pay the cost of freight.

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