ASTM A227 Spring Steel vs. N07041 Nickel
ASTM A227 spring steel belongs to the iron alloys classification, while N07041 nickel belongs to the nickel alloys. There are 18 material properties with values for both materials. Properties with values for just one material (13, in this case) are not shown.
For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is N07041 nickel.
Metric UnitsUS Customary Units
Mechanical Properties
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 220 |
| Elongation at Break, % | 12 | |
| 14 |
| Fatigue Strength, MPa | 900 to 1160 | |
| 540 |
| Shear Strength, MPa | 1030 to 1330 | |
| 850 |
| Tensile Strength: Ultimate (UTS), MPa | 1720 to 2220 | |
| 1400 |
| Tensile Strength: Yield (Proof), MPa | 1430 to 1850 | |
| 1050 |
Thermal Properties
| Melting Onset (Solidus), °C | 1410 | |
| 1320 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 450 |
| Thermal Conductivity, W/m-K | 52 | |
| 11 |
| Thermal Expansion, µm/m-K | 12 | |
| 12 |
Otherwise Unclassified Properties
| Density, g/cm3 | 7.8 | |
| 8.2 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 260 | |
| 180 |
| Stiffness to Weight: Axial, points | 13 | |
| 15 |
| Stiffness to Weight: Bending, points | 24 | |
| 25 |
| Strength to Weight: Axial, points | 61 to 79 | |
| 47 |
| Strength to Weight: Bending, points | 41 to 48 | |
| 34 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.0 |
| Thermal Shock Resistance, points | 55 to 71 | |
| 38 |