About 303 Free Cutting Wire

SS 303 Free Cutting Wire stands out for its exceptional machinability, thanks to its sulfur content. This stainless steel variant also offers good corrosion resistance, making it ideal for manufacturing intricate components such as bolts, nuts, and gears. Its versatility and ease of fabrication make it a popular choice in the automotive, aerospace, and electronic industries.

 

303 Free Cutting Wire Chemical Composition

SS 303 Free Cutting Wire typically contains:

  • Carbon (C): ≤ 0.15%
  • Chromium (Cr): 17-19%
  • Nickel (Ni): 8-10%
  • Manganese (Mn): ≤ 2%
  • Phosphorus (P): ≤ 0.20%
  • Sulfur (S): ≥ 0.15%
  • Silicon (Si): ≤ 1%
  • Iron (Fe): Balance

303 Free Cutting Wire Physical Properties

  • Density: Approximately 8.03 g/cm³. This property represents the mass per unit volume of the material, crucial for determining its weight and volume in various applications.
  • Melting Range: 1400-1450°C. The range within which the material transitions from solid to liquid state, essential for understanding its behavior during heating processes such as welding or casting.
  • Tensile Strength: Ranges from 620 to 930 MPa (90 to 135 ksi). This property denotes the material’s ability to withstand pulling forces before breaking, vital for applications subjected to tension.
  • Yield Strength (0.2% offset): Minimum 275 MPa (40 ksi). The stress at which the material begins to deform plastically, providing insight into its ability to withstand deformation without permanent damage.
  • Elongation: Minimum 35%. Indicates the percentage increase in length the material can undergo before failure under tension, reflecting its ductility and ability to deform before breaking.
  • Hardness (Brinell): Maximum 160. The material’s resistance to indentation or penetration, vital for assessing its durability, wear resistance, and suitability for machining processes.

These physical properties collectively characterize the behavior and performance of 303 Free Cutting Wire, influencing its suitability for various industrial applications, including automotive, aerospace, medical, and machinery.

303 Free Cutting Wire Mechanical Properties

The mechanical properties of 303 Free Cutting Wire are as follows:

  • Tensile Strength: Typically ranging from 620 to 930 MPa (90 to 135 ksi), indicating its ability to withstand pulling forces without breaking.
  • Yield Strength (0.2% offset): A minimum of 275 MPa (40 ksi), denoting the stress at which the material begins to deform permanently.
  • Elongation: A minimum of 35%, indicating the percentage increase in length the material can undergo before failure under tension, showcasing its ductility.
  • Hardness (Brinell): Maximum 160, which signifies its resistance to indentation or penetration, crucial for its durability and wear resistance.
  • Modulus of Elasticity: Approximately 193 GPa (28,000 ksi), representing the material’s stiffness and ability to return to its original shape after deformation, important for maintaining dimensional stability in applications.
  • Impact Resistance: Exhibits moderate impact resistance, suitable for applications where sudden loads or shocks may occur.
  • Fatigue Strength: Demonstrates good fatigue strength, ensuring prolonged service life under cyclic loading conditions.

These properties collectively make 303 Free Cutting Wire suitable for various high-precision and demanding applications across industries.

 

303 Free Cutting Wire Applications.

303 Free Cutting Wire is extensively used across various industries due to its excellent machinability and corrosion resistance. Key applications include:

  • Automotive: Fasteners, shafts, and bushings
  • Aerospace: Aircraft fittings and components
  • Medical: Surgical instruments and implants
  • Electronics: Connectors and sensor components
  • Machinery: Gears, cams, and valves
  • Marine: Marine hardware and fittings

Leverage the superior properties of 303 Free Cutting Wire for your critical applications to achieve reliable performance and longevity.