WUXI XINFUTIAN METAL PRODUCTS CO., LTD
Integrity Pragmatic High quality First-class,
Add to Cart
Hot Rolled Stainless Steel Profiles 420 Black Bar ASTM A276 Standard
1. Stainless Steel Profiles Application
High temperature components such as turbine blades, guide vanes, turbine disks, high pressure
compressor disks,machine manufacturing
and combustion chambers used in the manufacture of aviation, naval and industrial gas turbines
| Grade | Chemical Composition (%) | |||||
| C | Si | Mn | P | S | Cr | |
| 420 | ≤0.15 | ≤1.0 | ≤1.0 | ≤0.04 | ≤0.030 | 12-14 |
3. Mechanical Properties
| Tempering Temperature (°C) | Tensile Strength (MPa) | Yield Strength 0.2% Proof (MPa) | Elongation (% in 50mm) | Hardness Brinell (HB) |
|---|---|---|---|---|
| Annealed * | 655 | 345 | 25 | 241 max |
| 399°F (204°C) | 1600 | 1360 | 12 | 444 |
| 600°F (316°C) | 1580 | 1365 | 14 | 444 |
| 800°F (427°C) | 1620 | 1420 | 10 | 461 |
| 1000°F (538°C) | 1305 | 1095 | 15 | 375 |
| 1099°F (593°C) | 1035 | 810 | 18 | 302 |
| 1202°F (650°C) | 895 | 680 | 20 | 262 |
| * Annealed tensile properties are typical for Condition A of ASTM A276; annealed hardness is the specified maximum. | ||||
| Density kg/m3 | Thermal Conductivity W/mK | Electrical Resistivity (Microhm/cm) | Modulus of Elasticity | Coefficient of Thermal Expansion µm/m/°C | Specific Heat (J/kg.K) |
|---|---|---|---|---|---|
| 7750 | 24.9 at 212°F | 550 (nΩ.m) at 68°F | 200 GPa | 10.3 at 32 – 212°F | 460 at 32°F to 212°F |
| – at 932 °F | 10.8 at 32 – 599°F | ||||
| 17.7 at 32-1000°F |
