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ASTM B36.19 Hot Rolled 316L/304L Stainless Square Pipe | Heavy-Duty Structural Tubing Stock

ASTM B36.19 Hot Rolled 316L/304L Stainless Square Pipe | Heavy-Duty Structural Tubing Stock

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High-Performance Stainless Steel Square Tubing
Engineered for demanding gas systems and structural applications, this ASTM-compliant hot-rolled square tube in 316L/304L grades delivers exceptional durability across temperature extremes (-20°C to 850°C).

Key Features:
◆ ​Material Superiority

  • 300-series chromium-nickel alloy composition
  • Pitting Resistance Equivalent Number (PREN): 304L=19.5 | 316L=26.8
  • Hot-rolled finish with 120-grit surface (Ra ≤3.2μm)

Technical Specifications:

  • Wall Thickness: 1.5-12mm (±0.3% tolerance)
  • Standard Lengths: 6m (Custom cuts up to 12m available)
  • Pressure Rating: 8.6-34.5MPa (Varies by gauge)
  • MOQ: 1 Metric Ton

Processing Services:
[✓] CNC Rotary Draw Bending (180° capability)
[✓] Plasma/Laser Cutting (±0.5mm accuracy)
[✓] Orbital TIG Welding (ASME Section IX compliant)
[✓] Hydroforming for complex geometries

Logistics & Value:

  • Triple-layer seaworthy packaging:
    1. VCI anti-corrosion paper wrap
    2. 2mm PE waterproof coating
    3. Steel-reinforced wooden crate (60×40×40cm)
  • Bulk order discounts: 3-5% price reduction for 10+ ton shipments
  • Global maritime compliance: IMDG/ISO 16104 certified

Certifications & Compliance:

  • ASTM A312/A778 (Chemical & mechanical properties)
  • EN 10204 3.1 Material Test Certificate
  • NACE MR0175 for sour gas environments

Applications:

  • LNG pipeline support systems
  • Petrochemical plant structural frameworks
  • High-temperature exhaust ducting
  • Offshore platform walkways
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