ASTM A193 Grade B8MLCuN: Class 2 Carbide‑Solution Treated & Strain Hardened – M20 and Under
Properties
General
| Property | Temperature | Value | Comment |
|---|---|---|---|
Density | 20.0 °C | 7.9 - 8.2 g/cm³ | Typical for Austenitic Stainless Steel |
Mechanical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Elastic modulus | 20.0 °C | 195 GPa | Typical for Austenitic Stainless Steel |
Elongation A50 | 20.0 °C | 15 % | |
Hardness, Brinell | 20.0 °C | 321 [-] | |
Hardness, Rockwell C | 20.0 °C | 35 [-] | |
Poisson's ratio | 20.0 °C | 0.3 [-] | Typical for Austenitic Stainless Steel |
Reduction of area | 20.0 °C | 45 % | |
Tensile strength | 20.0 °C | 760 MPa | |
Yield Strength Rp0.2, short transverse | 20.0 °C | 655 MPa |
Thermal
| Property | Temperature | Value | Comment |
|---|---|---|---|
Coefficient of thermal expansion | 20.0 °C | 1.7E-5 - 1.9E-5 1/K | Typical for Austenitic Stainless Steel |
Melting point | 1375 - 1450 °C | Typical for Austenitic Stainless Steel | |
Specific heat capacity | 20.0 °C | 440 J/(kg·K) | Typical for Austenitic Stainless Steel |
Thermal conductivity | 20.0 °C | 11 - 21 W/(m·K) | Typical for Austenitic Stainless Steel |
Electrical
| Property | Temperature | Value | Comment |
|---|---|---|---|
Electrical resistivity | 20.0 °C | 8.5E-7 Ω·m | Typical for Austenitic Stainless Steel |
Chemical properties
| Property | Value |
|---|---|
Carbon | 0.02 % |
Chromium | 19.5 - 20.5 % |
Copper | 0.5 - 1 % |
Manganese | 1 % |
Molybdenum | 6 - 6.5 % |
Nickel | 17.5 - 18.5 % |
Nitrogen | 0.18 - 0.25 % |
Phosphorus | 0.03 % |
Silicon | 0.8 % |
Sulfur | 0.01 % |
Metal
- ASTM A193 Grade B8M2 Class 2B – Carbide Solution‑Treated, Strain‑Hardened (≤ M48)
- ASTM A193 Grade B8M3 Class 2C Stainless Steel – Carbide‑Solution Treated & Strain Hardened, M48 & Below
- ASTM A193 Grade B8T Class 2 – Carbide Solution Treated & Strain Hardened, M20 & Smaller
- ASTM A193 Grade B8T Class 2 – Carbide Solution‑Treated & Strain‑Hardened Wire, Sizes M20 to M24
- ASTM A193 Grade B8N – Class 2 Carbide Solution Treated & Strain Hardened, M20 and Under
- ASTM A193 Grade B8M Class 2: Carbide-Treated, Strain-Hardened M20 and Smaller Steel Components
- ASTM A193 Grade B8MN Class 2 – Carbide‑Solution Treated, Strain‑Hardened M20 & Smaller Steel
- ASTM A193 Grade B8 Class 2: Carbide-Solution Treated & Strain-Hardened, Ideal for M20 and Smaller Applications
- ASTM A193 Grade B8C Class 2 Carbide Solution‑Treated, Strain‑Hardened – M20 & Below
- ASTM A193 Grade B8P Class 2 Stainless Steel – Carbide‑Solution Treated & Strain Hardened, Ideal for M20 & Smaller