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New Stock Stainless Square Tubing | ASTM 321/2205 with 15-Day Fast Delivery & Bulk Discounts

New Stock Stainless Square Tubing | ASTM 321/2205 with 15-Day Fast Delivery & Bulk Discounts

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Advanced Stainless Steel Structural Tubing
Engineered for critical gas systems and industrial frameworks, this 2024-updated ASTM S30400/S30401/321/2205 stainless square tube combines cost efficiency with premium 300-series alloy performance.

Technical Specifications:
◆ ​Material Excellence

  • Dual-certified grades: 304 (S30400) / 316L (S31603) / 2205 duplex
  • Pitting Resistance: PREN 304=19.5 | 316L=26.8 | 2205=35.6
  • Surface Integrity: 120-grit finish (Ra ≤3.2μm)

Key Features:

  • Precision Manufacturing
    ±0.1% dimensional tolerance across all gauges (1.5-12mm thickness)
    Seamless cold-drawn process for uniform grain structure
  • Dual Processing
    Hot-rolled option: 12-120mm thickness (Yield strength ≥205MPa)
    Cold-rolled option: 0.5-3mm precision (±0.05mm flatness)

Value-Added Services:
[✓] CNC Rotary Bending (3D complex profiles)
[✓] Laser Micro-Cutting (±0.2mm kerf accuracy)
[✓] Orbital TIG Welding (ASME Section IX compliant)
[✓] Hydroforming for specialized connections

Commercial Advantages:

  • 2024 Price Structure:
    Bulk discounts available (5-8% off for 10+ ton orders)
    Transparent MOQ: 1 metric ton with custom length optimization
  • Global Logistics:
    Triple-layer seaworthy packaging (60×40×40cm crates)
    15-day expedited production cycle

Certifications & Compliance:

  • ASTM A312/A789 (Chemical & Mechanical Properties)
  • EN 10204 3.2 Inspection Certificate
  • NACE MR0175 for H₂S environments

Industrial Applications:

  • LNG pipeline support structures
  • Chemical processing plant frameworks
  • High-stress architectural elements
  • Marine equipment components
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