DIN 17443 Grade X2 CrNiMo 18-15-3 Solution-Annealed Stainless Steel (+AT) – Premium Grade for Implants & Surgical Instruments
Properties: - austenitic extra low carbon steel - polishable - corrosion properties are similar to 1.4401 Application: - for implants for surgery acc. to 5832-1 - for surgical instruments acc. to ISO 7153-1
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 23.0 °C | 7.9 - 8.2 g/cm³ | Typical for Austenitic Stainless Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 23.0 °C | 195 GPa | Typical for Austenitic Stainless Steel |
Elongation | 20.0 °C | 30 - 40 % | |
Poisson's ratio | 23.0 °C | 0.3 [-] | Typical for Austenitic Stainless Steel |
Shear modulus | 23.0 °C | 77 GPa | Typical for Austenitic Stainless Steel |
Tensile strength | 20.0 °C | 490 - 1000 MPa | |
Yield strength Rp0.2 | 20.0 °C | 190 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 23.0 °C | 1.7E-5 - 1.9E-5 1/K | Typical for Austenitic Stainless Steel |
Melting point | 1230 - 1480 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | 23.0 °C | 440 J/(kg·K) | Typical for Austenitic Stainless Steel |
Thermal conductivity | 23.0 °C | 11 - 21 W/(m·K) | Typical for Austenitic Stainless Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 23.0 °C | 8.5E-7 Ω·m | Typical for Austenitic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.03 % |
Chromium | 17 - 18.5 % |
Manganese | 2 % |
Molybdenum | 2.7 - 3.2 % |
Nickel | 13.5 - 15.5 % |
Nitrogen | 0.1 % |
Phosphorus | 0.03 % |
Silicon | 1 % |
Sulfur | 0.01 % |
Metal
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