Stainless Steel Round Bar

The Stainless Steel Round Bar is a precision-engineered, corrosion-resistant solid steel product that is widely used across multiple industries for its excellent mechanical strength, superior surface finish, and long-lasting durability. With a combination of high strength, superior formability, and excellent resistance to corrosion and wear, stainless steel round bar is an ideal material for components that require both mechanical performance and aesthetic appeal.

Available in a variety of grades, diameters, lengths, and surface finishes, stainless steel round bars serve industries including manufacturing, construction, medical, marine, automotive, oil & gas, and aerospace.

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Key Feature

• Superior Corrosion Resistance
  Resists rust, oxidation, and chemical attack even in harsh environments.

• High Strength & Durability
  Offers excellent mechanical properties, maintaining structural integrity under stress and load.

• Excellent Machinability
  Suitable for CNC machining, turning, milling, drilling, and threading applications.

• Wide Grade Selection
  Available in a variety of stainless steel grades for various applications and industries.

• Aesthetic Appearance
  Smooth, polished finish for architectural and decorative uses.

• Excellent Weldability & Formability
  Easy to fabricate and modify for complex shapes and designs.

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Applications of Stainless Steel Round Bar

• Shafts, axles, and spindles

• Fasteners (bolts, nuts, pins)

• Automotive components

• Marine hardware and equipment

• Aerospace components

• Food and beverage processing equipment

• Medical instruments and surgical tools

• Chemical processing equipment

• Architectural and decorative structures

• Pump shafts and valve components

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Technical Specifications

Property	Specification
Material	Stainless Steel
Available Grades	304, 316, 316L, 321, 310S, 430, 2205 Duplex
Diameter Range	2mm to 500mm
Length	Standard 3m, 6m, 12m, or custom lengths
Tolerances	H9, H11, H13 (or per customer requirements)
Surface Finish	Cold Drawn, Peeled & Polished, Bright Annealed, Rough Turned
Tensile Strength	500–1000 MPa (depending on grade)
Yield Strength	200–700 MPa (depending on grade)
Elongation	15–40%
Hardness	140–450 HB (varies by grade)
Corrosion Resistance	Excellent
Weldability	Excellent
Heat Resistance	Up to 1100°C (depending on grade)
Standards	ASTM A276, A484, A479, EN 10088, JIS G4303

Common Stainless Steel Grades Explained

• 304 Stainless Steel
  Most versatile and widely used stainless grade with excellent corrosion resistance and formability.

• 316 / 316L Stainless Steel
  Enhanced pitting resistance, ideal for marine and chemical applications due to molybdenum content.

• 303 Stainless Steel
  Best for high-speed machining; excellent machinability and good corrosion resistance.

• 410 / 420 Stainless Steel
  Martensitic grades with good strength and hardness, ideal for cutlery, surgical tools, and wear-resistant components.

• 430 Stainless Steel
  Cost-effective ferritic stainless steel with moderate corrosion resistance for indoor applications.

• 17-4PH Stainless Steel
  Precipitation-hardened stainless with excellent strength, corrosion resistance, and hardness.

• 2205 Duplex Stainless Steel
  Exceptional strength, corrosion resistance, and stress corrosion cracking resistance.

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Packaging & Delivery

• Plastic sleeving and protective wrapping to prevent surface scratches

• Export-grade wooden crates and bundling for safe transport

• Custom cutting and finishing services available

• Fast global shipping and efficient logistics support

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Storage & Handling Recommendations

• Store in dry, clean areas to prevent surface contamination

• Use appropriate lifting equipment to prevent bending and scratches

• Avoid prolonged contact with carbon steel to prevent cross-contamination

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Advantages of Choosing Stainless Steel Round Bar

• Excellent mechanical strength and toughness

• Superior resistance to corrosion, heat, and chemicals

• Minimal maintenance and long service life

• High machinability for precision components

• Wide variety of grades and sizes for diverse applications

• Smooth surface finishes for both industrial and aesthetic uses

• Weldable and formable for customized fabrications

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FAQ For This Product

What is Stainless Steel Round Bar used for?It’s used for shafts, fasteners, valves, surgical tools, marine hardware, food processing equipment, and numerous precision machined components.What is the most common grade of stainless steel round bar?304 is the most commonly used grade for general-purpose applications, while 316 is preferred for marine and chemical applications.Is stainless steel round bar easy to machine?Yes, especially grades like 303 which are specially designed for free machining operations.Do you offer custom sizes and surface finishes?Absolutely. We provide cut-to-length services, custom diameters, and a variety of surface finishes based on customer requirements.Do you provide certifications for stainless steel round bar?Yes, full Mill Test Certificates (MTC) and compliance documentation are provided for every order.Can stainless steel round bars be used for food-grade applications?Yes, grades like 304 and 316 are widely used in food processing equipment due to their excellent sanitary and corrosion resistance properties.