316L & 304L Stainless Steel Square Tubing | ASTM Certified 321/2205 Seamless Pipes for Industrial Systems
316L & 304L Stainless Steel Square Tubing | ASTM Certified 321/2205 Seamless Pipes for Industrial Systems
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Precision-Engineered Stainless Steel Square Tubing
ASTM-certified seamless square tubes in 316L/304L/321/2205 grades, manufactured from 300-series stainless steel for superior corrosion resistance in gas systems and structural applications.
Key Specifications:
• Material Integrity: Hot-rolled & cold-rolled processing achieves ±0.1%-0.3% dimensional accuracy
• Surface Excellence: 120-mesh polished finish for reduced friction and oxidation resistance
• Custom Fabrication: Bespoke lengths with precision cutting, bending, and welding services
• Performance Certified: Meets ASTM standards for pressure-bearing systems
Technical Advantages:
- Dual-Phase Manufacturing: Combines hot-rolling strength with cold-rolling surface precision
- Multi-Industry Compliance: Suitable for HVAC, industrial gas networks, and architectural frameworks
- Seamless Welding: Eliminates joint vulnerabilities in critical installations
Processing Services:
- CNC Tube Bending (3D profile customization)
- Laser Cutting (≤0.2mm kerf accuracy)
- TIG Welding (AWS D1.6 compliant)
- Custom Molding for specialty configurations
Logistics Assurance:
• Industrial-grade seaworthy packaging (60x40x40cm units)
• Global shipping coordination with 15-21 day standard lead time
• MOQ flexibility starting at 1 metric ton




