Bulk Order SUS 304/316L Stainless Square Tube | Custom Lengths for Industrial Pipe Systems

Precision-Engineered Stainless Steel Square Tubing
Seamless ASTM-certified square/rectangular tubing crafted from 300-series alloys (Grades 304/316L), optimized for structural integrity in gas systems and architectural frameworks.

Key Specifications:

• ​Material Excellence: Dual-process manufacturing (hot-rolled strength + cold-rolled precision)
• ​Surface Integrity: 120-grit polished finish (Ra ≤3.2μm) with ±0.1%-0.3% dimensional accuracy
• ​Pressure Ready: 8.6-34.5MPa working pressure compliance
• ​MOQ Flexibility: 1 metric ton with custom length optimization

Technical Advantages:
◆ Seamless construction eliminates corrosion-prone welds
◆ Salt spray resistance: 304L=480h | 316L=1,200h (ASTM B117)
◆ Dual processing options:

• ​Hot-Rolled: 12-120mm thickness for load-bearing structures
• ​Cold-Rolled: 0.5-3mm precision gauges for HVAC systems

Advanced Processing Services:
[✓] CNC Rotary Bending (180° precision forming)
[✓] Laser Cutting (±0.2mm kerf accuracy)
[✓] Orbital Welding (ASME Section IX compliant)
[✓] Hydroformed End Connections

Packaging & Logistics:

• Triple-layer protection: VCI paper + PE coating + reinforced crate (60×40×40cm)
• 15-21 day production cycle for custom configurations
• 1,000kg gross weight capacity per seaworthy unit

Certifications & Compliance:

• ASTM A312/A269 (Chemical & Mechanical Properties)
• EN 10204 3.1 Material Traceability
• NACE MR0175 for acidic environments

Industrial Applications:
✔️ Natural gas distribution networks
✔️ High-rise building exoskeletons
✔️ Petrochemical plant walkways
✔️ Food processing equipment frames