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Formula: Fe 86.7/Cr 13.0/C 0.3
Form: Disk
Material: AISI 420 Stainless Steel
Commodity: Alloys
AISI 420 Stainless Steel disks are made from a high-carbon steel with good hardness and wear resistance properties. They also have moderate corrosion resistance and can be heat treated to achieve high strength. AISI 420 Stainless Steel disks have applications in cutlery, surgical instruments, valves, bearings, and other parts requiring hardness and corrosion resistance. With 100 variations available, Goodfellow's AISI 420 disks offer options for different dimensions, thicknesses and surface finishes to suit diverse applications.
Tolerances
Disk
| Thickness | >0.05mm | ±10% |
|---|---|---|
| Thickness | <0.01mm | ±25% |
| Thickness | 0.01mm - 0.05mm | ±15% |
Material Properties for Alloys
Mechanical Properties
| Element | Value |
|---|---|
| Elongation at break( % ) | >12 |
| Modulus of elasticity( GPa ) | 200 |
| Tensile strength( MPa ) | 860 |
Electrical Properties
| Element | Value |
|---|---|
| Electrical resistivity( µOhmcm ) | 55 |
| Temperature coefficient( K⁻¹ ) | - |
Thermal Properties
| Element | Value |
|---|---|
| Melting point( C ) | 1450 |
| Specific heat( J K⁻¹ kg⁻¹ ) | 460@23°C |
| Thermal conductivity( W m⁻¹ K⁻¹ ) | 24.9@100°C |
| Coefficient of thermal expansion( x10⁻⁶ K⁻¹ ) | 10.3@0-100°C |
Physical Properties
| Element | Value |
|---|---|
| Density( gcm⁻³ ) | 7.8 |
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