Hexagonal Stainless Steel Bar 21mm Diameter | 304 & 316L Hex Rods for CNC Machining & Welding

Precision Stainless Steel Hexagonal Bar Rod​
High-performance cold/hot rolled hexagonal bars compliant with ASTM standards (300 Series). Available in multiple grades including 304/304L, 316L, 321, and 2205 duplex steel, engineered for exceptional corrosion resistance and structural durability.

Key Specifications:​
• ​Dimensions: 4mm-325mm thickness (customizable) × 6m standard length
• ​Tolerance: ±0.1%~0.3% dimensional accuracy
• ​Surface Finish: 120-mesh polished surface
• ​Processing: Supports bending, welding, CNC cutting, decoiling, and punching

**Technical Features:**​

• Dual rolling options (Cold Rolled/Hot Rolled) for varied hardness requirements
• Ideal for valve components, construction frameworks, and load-bearing structures
• Passivated edges minimize machining waste
• Certified chemical composition for welding compatibility

**Logistics & Compliance:**​

• MOQ: 1 metric ton
• Standard 60×40×40cm seaworthy wooden packaging
• Lead Time: 15-21 days after order confirmation
• Custom-cut lengths available (per technical drawings)
• Certified mill test reports provided

**Industry Applications:**​
✓ Structural reinforcement in high-humidity environments
✓ Valve cores & pump shafts for chemical processing systems
✓ Architectural fasteners requiring aesthetic consistency
✓ Food-grade machinery components