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Bulk 304/316L/2205 Tubes | ASTM-Certified | Factory Direct Pricing
Bulk 304/316L/2205 Tubes | ASTM-Certified | Factory Direct Pricing
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High-Performance Stainless Steel Tubes for Industrial Solutions
Technical Specifications
- Standard Compliance: ASTM
- Material Grades: 300 Series (301L, 301, 304N, 304L, 310S, 316, 316L, 316Ti, 321, 410, 410S, 410L, 2205 Duplex)
- Geometry: Round
- Diameter Range: 1 mm – 100 mm
- Dimensional Tolerance: ±0.1% – 0.3%
- Surface Finish: 2B cold-rolled with 120-grit polish
Key Features
- Cost-Effective Durability: Optimized corrosion resistance for harsh environments (chemical exposure, structural stress, medical sterilization).
- Customization Ready: Precision processing via CNC bending (±0.5° accuracy), TIG welding (argon-purged), laser cutting (0.1mm precision), and punching (up to 12mm thickness).
- Batch Consistency: Full traceability with mill test certificates (MTCs) for chemical composition and tensile strength.
Industrial Applications
- Construction: Seismic-resistant frameworks, bridge reinforcement rods
- Chemical Processing: Acid-resistant piping systems, reactor liners
- Medical Devices: Sterile fluid transfer lines, MRI component tubing
Packaging & Logistics
- Export-Ready Packaging: Reinforced wooden crates with anti-corrosion coating (60×40×40 cm unit, 1000 kg gross weight).
- Fast Turnaround: Guaranteed global delivery within 7 working days.
- Flexible MOQ: Minimum 1 metric ton, with volume discounts for 20+ ton orders.
Quality Assurance
- Dimensional Accuracy: Laser-measured OD/ID verification
- Surface Integrity: Eddy current testing for micro-crack detection
- Optional Certifications: NACE MR0175 (sour service), ISO 13485 (medical compliance)
Value-Added Services
- Technical Support: Free CAD/STEP files for system integration
- Custom Finishing: Electropolishing (Ra <0.4μm) or pickling passivation
- Payment Flexibility: 30% upfront TT + 70% balance with LC options




