1. Characteristics:

• Corrosion Resistance: Excellent resistance to oxidation and corrosion in various environments.
• High Strength: Good mechanical strength and durability.
• Formability & Weldability: Easily fabricated and welded.
• Hygienic & Smooth Surface: Ideal for medical and food-grade applications.
• Temperature Resistance: Performs well in both high and low temperatures

• 2. Chemical Composition (% by Weight):

  Element	Content (%)
  Chromium (Cr)	18.0–20.0
  Nickel (Ni)	8.0–10.5
  Carbon (C)	≤0.08
  Manganese (Mn)	≤2.0
  Silicon (Si)	≤1.0
  Phosphorus (P)	≤0.045
  Sulfur (S)	≤0.03
  Iron (Fe)	Balance

  3. Physical Properties:

  Property	Value
  Density	7.93 g/cm³
  Melting Point	1400–1450°C
  Thermal Conductivity	16.2 W/m·K
  Electrical Resistivity	0.72 μΩ·m
  Modulus of Elasticity	193 GPa

  4. Applications:

  • Medical Devices: Hypodermic needles, surgical instruments.
  • Industrial Use: Precision fluid control, chromatography, sensors.
  • Automotive & Aerospace: Fuel injection systems, hydraulic lines.
  • Food & Beverage: Dairy processing, brewing equipment.
  • Laboratory Equipment: High-purity fluid transfer.

  304 stainless steel capillary tubes are widely used due to their durability, corrosion resistance, and versatility in demanding environments.

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