ASTM A229 Spring Steel vs. EN 1.4962 Stainless Steel
Both ASTM A229 spring steel and EN 1.4962 stainless steel are iron alloys. They have 67% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.
For each property being compared, the top bar is ASTM A229 spring steel and the bottom bar is EN 1.4962 stainless steel.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 490 to 550 | |
| 190 to 210 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 200 |
| Elongation at Break, % | 14 | |
| 22 to 34 |
| Fatigue Strength, MPa | 710 to 790 | |
| 210 to 330 |
| Poisson's Ratio | 0.29 | |
| 0.28 |
| Shear Modulus, GPa | 72 | |
| 77 |
| Shear Strength, MPa | 1020 to 1140 | |
| 420 to 440 |
| Tensile Strength: Ultimate (UTS), MPa | 1690 to 1890 | |
| 630 to 690 |
| Tensile Strength: Yield (Proof), MPa | 1100 to 1230 | |
| 260 to 490 |
Thermal Properties
| Latent Heat of Fusion, J/g | 250 | |
| 280 |
| Maximum Temperature: Mechanical, °C | 400 | |
| 910 |
| Melting Completion (Liquidus), °C | 1450 | |
| 1480 |
| Melting Onset (Solidus), °C | 1410 | |
| 1440 |
| Specific Heat Capacity, J/kg-K | 470 | |
| 470 |
| Thermal Conductivity, W/m-K | 50 | |
| 14 |
| Thermal Expansion, µm/m-K | 12 | |
| 16 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
| 2.3 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
| 2.6 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 1.8 | |
| 23 |
| Density, g/cm3 | 7.8 | |
| 8.1 |
| Embodied Carbon, kg CO2/kg material | 1.4 | |
| 4.1 |
| Embodied Energy, MJ/kg | 19 | |
| 59 |
| Embodied Water, L/kg | 46 | |
| 150 |
Common Calculations
| Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 230 | |
| 140 to 170 |
| Resilience: Unit (Modulus of Resilience), kJ/m3 | 3260 to 4080 | |
| 170 to 610 |
| Stiffness to Weight: Axial, points | 13 | |
| 14 |
| Stiffness to Weight: Bending, points | 24 | |
| 24 |
| Strength to Weight: Axial, points | 60 to 67 | |
| 21 to 24 |
| Strength to Weight: Bending, points | 40 to 43 | |
| 20 to 21 |
| Thermal Diffusivity, mm2/s | 14 | |
| 3.7 |
| Thermal Shock Resistance, points | 54 to 60 | |
| 14 to 16 |
Alloy Composition
| Boron (B), % | 0 | |
| 0.0015 to 0.0060 |
| Carbon (C), % | 0.55 to 0.85 | |
| 0.070 to 0.15 |
| Chromium (Cr), % | 0 | |
| 15.5 to 17.5 |
| Iron (Fe), % | 97.5 to 99 | |
| 62.1 to 69 |
| Manganese (Mn), % | 0.3 to 1.2 | |
| 0 to 1.5 |
| Nickel (Ni), % | 0 | |
| 12.5 to 14.5 |
| Phosphorus (P), % | 0 to 0.040 | |
| 0 to 0.035 |
| Silicon (Si), % | 0.15 to 0.35 | |
| 0 to 0.5 |
| Sulfur (S), % | 0 to 0.050 | |
| 0 to 0.015 |
| Titanium (Ti), % | 0 | |
| 0.4 to 0.7 |
| Tungsten (W), % | 0 | |
| 2.5 to 3.0 |