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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




