• Product Name: 304 Stainless Steel Bright Round Bar (Cold-Drawn/Polished)
• Material Grade: AISI 304 / SUS304 / UNS S30400 / 06Cr19Ni10
• Standards: ASTM A276, ASTM A484, GB/T 1220-2007, ISO 9001:2000 68

Overview

304 Stainless Steel Bright Round Bar, commonly referred to as "Guang Yuan" in industrial markets, is a premium-grade austenitic stainless steel product engineered for precision-critical applications. Featuring a seamless cold-drawn or precision-ground surface, this bar combines aesthetic appeal with unmatched mechanical integrity in corrosive or high-stress environments.

Unique Selling Points

• Ultra-Smooth Finish: Achieved through multi-stage polishing (Ra ≤0.4μm), reducing friction and wear in dynamic applications.

• Zero-Tolerance Precision: Diameter tolerance ±0.02mm for sizes ≤30mm (customizable to ±0.005mm).

• Eco-Certified: Compliant with RoHS and REACH regulations for hazardous substance control.

Technical Specifications

Specialized Applications

• Semiconductor Manufacturing: Vacuum chamber components, wafer handling arms.

• Renewable Energy: Solar panel mounting systems, hydrogen fuel cell parts.

• Luxury Goods: High-end watch components, designer furniture hardware.

• Marine Engineering: Submersible sensor housings, desalination plant fittings.

Customization & Services

1. Surface Enhancements:

   • Electropolishing (ASTM B912) for micro-smooth finishes.

   • PVD coating (TiN, CrN) for wear resistance.

2. Special Processing:

   • Cryogenic treatment (-196°C) for stabilized microstructure.

   • Passivation (ASTM A967) to maximize corrosion resistance.

3. Logistics:

   • JIT (Just-in-Time) delivery with global warehousing (EU/US/Asia hubs).

   • Anti-static packaging for sensitive electronic applications.

Quality Assurance

• Testing Protocols:

  • Eddy current testing for surface cracks.

  • Spectrometer-verified chemical composition.

  • Intergranular corrosion test per ASTM A262 Practice E.

• Certifications:

  • ISO 14001 (Environmental Management).

  • Nadcap accreditation for aerospace compliance.

Ordering Information

• MOQ: 100 kg (standard), 1 kg (prototype/R&D orders).

• Lead Time: 10–12 days (stock), 25–30 days (custom processing).

• Payment Terms: LC, T/T