201 stainless steel strip

The 201 stainless steel strips belongs to the austenitic chromium-nickel-manganese stainless alloy family. Developed as a cost-effective alternative to Type 301, our 201 stainless steel strip offers exceptional yield strength in tempered conditions, making it particularly suitable for specialized applications like springs and fasteners.

Chemical Composition of 201 Stainless Steel Strip

Our 201 stainless steel strip features a carefully balanced chemical composition:

• Carbon: 0.15 max
• Manganese: 5.50-7.50 max
• Chromium: 18.00-20.00 max
• Nickel: 3.50-5.50
• Nitrogen: 0.25 max
• Iron: Balance
• Other elements:
  • Phosphorus: 0.060 max
  • Sulfur: 0.030 max
  • Silicon: 0.75 max

Physical Properties and Performance Characteristics

The 201 stainless steel strip demonstrates exceptional physical properties that make it ideal for demanding applications:

Density and Electrical Properties

• Density: 0.283 lbs/in³ (7.81 g/cm³)
• Electrical Resistivity: 27.0 microhm-in (68.5 microhm-cm)

Thermal Properties

• Specific Heat (32-212°F): 0.12 BTU/lbs./°F
• Thermal Conductivity at:
  • 212°F (100°C): 9.4 BTU/hr/ft/ft²/°F
  • 932°F (500°C): 12.4 BTU/hr/ft/ft²/°F

Thermal Expansion and Mechanical Properties

• Mean Coefficient of Thermal Expansion varies from 8.7 x 10⁻⁵ to 11.3 x 10⁻⁶ across different temperature ranges
• Modulus of Elasticity: 28.6 x 10³ ksi
• Magnetic Permeability (Annealed): < 1.02 max
• Melting Range: 2550-2650°F (1399-1454°C)

Our 201 stainless steel strip maintains comparable ductility to Type 301 while offering higher yield strength, making it an excellent choice for applications requiring both strength and formability. This unique combination of properties makes our stainless steel strip a preferred choice across various industrial applications.