Stainless Steel Round Bar Grade 304

Grade 304 Stainless Steel Round Bar is the all-rounder of the engineering world. Known for its excellent balance of strength, corrosion resistance, and value, Grade 304 (also designated as EN 1.4301) is the most popular stainless steel rod for both structural and machining applications.

Unlike the free-machining 303 grade, 304 offers superior weldability and better resistance to corrosion in harsh environments, making it the preferred choice for components that require long-term durability in moisture-prone, chemical or hygienic settings.

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Key Characteristics of Grade 304 Round Bar

  • Universal Corrosion Resistance: Highly effective against atmospheric corrosion and various organic/inorganic chemicals.
  • Excellent Weldability: Can be easily welded using all standard fusion techniques without becoming brittle.
  • Hygienic Properties: Non-porous surface that resists bacterial growth, making it a staple in food and medical sectors.
  • High Toughness: Maintains impressive mechanical properties and impact resistance at both high and sub-zero temperatures.
  • Non-Magnetic: Generally non-magnetic in the annealed condition.

Common Applications of Grade 304 Round Bar

  • Machined Components: Shafts, pins, spacers, and fasteners for industrial machinery.
  • Food & Dairy Industry: Mixing equipment, valve components, and hygienic structural supports.
  • Construction & Architecture: Threaded rods, structural bracing, and decorative railings.
  • Marine & Coastal: Small boat fittings and hardware (for aggressive saltwater immersion, see Grade 316).

Why Order from metals4U?

  • Precision Cutting: We offer a bespoke cut-to-size service, ensuring your stainless steel rod arrives at the exact length required for your build.
  • Deep Stock Levels: We maintain a wide variety of diameters in Grade 304, ready for immediate dispatch from our UK warehouse.
  • Free UK Delivery: Benefit from free shipping to England and Wales on all orders over £125.
  • No Minimum Order: Whether you need a single short piece for a prototype or bulk lengths for a production run, we provide competitive trade pricing for all.

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