Product Specifications:

• Material Grade Options: 304/304L, 316/316L stainless steel
• Surface Finish: #4 brushed, mirror polished, or custom-specified
• Manufacturing Process: Cold-drawn seamless or welded construction
• Wall Thickness Range: 0.5mm to 12.7mm
• Length Options: Standard 6m, custom lengths available

Standard Stainless Steel mm Tubing Sizes:

• 20x40mm to 200x400mm rectangular profiles
• Wall thickness variations: 1.5mm, 2mm, 3mm, 4mm, 6mm
• Custom dimensions available upon request

The 316 stainless square tube variant offers enhanced corrosion resistance, particularly suitable for marine environments and chemical processing facilities. Our rectangle stock comes with certified material testing reports and dimensional accuracy guarantees.

Key Features:

1. Precision-engineered square tubing sizes with tight dimensional tolerances
2. Advanced surface treatment for superior corrosion resistance
3. Optimized weight-to-strength ratio for structural applications
4. Comprehensive range of stainless tubes and pipes for various industrial needs

Applications:

• Architectural frameworks and structural supports
• Food processing equipment fabrication
• Pharmaceutical manufacturing systems
• Marine infrastructure development
• Chemical transport systems
• High-end furniture manufacturing

Quality Assurance:
Each batch of our stainless steel square and rectangular tubes undergoes rigorous quality control processes, including:

• Ultrasonic testing for structural integrity
• X-ray inspection for seam quality in welded variants
• Chemical composition analysis
• Mechanical property verification
• Dimensional accuracy testing

Manufacturing Excellence:
Our seamless stainless steel tubes are produced using state-of-the-art cold drawing technology, ensuring:

• Superior surface finish
• Exact dimensional accuracy
• Consistent mechanical properties
• Enhanced structural integrity
• Optimal grain structure

Material Properties:

• Yield Strength: 205-410 MPa
• Tensile Strength: 515-690 MPa
• Elongation: 35-45%
• Hardness: 150-180 HV

Special Features:

1. Custom-engineered corner radius options
2. Specialized surface treatments available
3. End finishing services (square cut, angle cut, drilling)
4. Heat treatment options for specific applications
5. Custom packaging for international shipping

Sustainability Aspects:

• 100% recyclable material composition
• Energy-efficient manufacturing process
• Minimal material waste through optimized production
• Extended service life reducing replacement frequency
• Low maintenance requirements

Quality Certifications:

• ISO 9001:2015
• ASTM A554
• EN 10296-2
• JIS G3459
• Custom certification available upon request

Each rectangular and square tube undergoes comprehensive testing for:

• Surface defect analysis
• Dimensional accuracy
• Mechanical properties
• Chemical composition
• Corrosion resistance

Our commitment to excellence ensures that every stainless steel rectangular tube meets or exceeds industry standards while providing superior value through extended service life and minimal maintenance requirements. Whether you require standard sizes or custom specifications, our technical team stands ready to assist in selecting the optimal solution for your application.