EN 1.5662 Steel vs. ASTM A229 Spring Steel
Both EN 1.5662 steel and ASTM A229 spring steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.
For each property being compared, the top bar is EN 1.5662 steel and the bottom bar is ASTM A229 spring steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 220 to 230 | |
490 to 550 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 20 | |
14 |
Fatigue Strength, MPa | 380 to 450 | |
710 to 790 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 73 | |
72 |
Shear Strength, MPa | 460 to 470 | |
1020 to 1140 |
Tensile Strength: Ultimate (UTS), MPa | 740 to 750 | |
1690 to 1890 |
Tensile Strength: Yield (Proof), MPa | 550 to 660 | |
1100 to 1230 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 430 | |
400 |
Melting Completion (Liquidus), °C | 1460 | |
1450 |
Melting Onset (Solidus), °C | 1410 | |
1410 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Expansion, µm/m-K | 13 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 8.7 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 9.8 | |
8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 7.5 | |
1.8 |
Density, g/cm3 | 8.0 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 2.3 | |
1.4 |
Embodied Energy, MJ/kg | 31 | |
19 |
Embodied Water, L/kg | 63 | |
46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 140 to 150 | |
200 to 230 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 810 to 1150 | |
3260 to 4080 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 26 | |
60 to 67 |
Strength to Weight: Bending, points | 23 | |
40 to 43 |
Thermal Shock Resistance, points | 22 | |
54 to 60 |
Alloy Composition
Carbon (C), % | 0 to 0.1 | |
0.55 to 0.85 |
Iron (Fe), % | 88.6 to 91.2 | |
97.5 to 99 |
Manganese (Mn), % | 0.3 to 0.8 | |
0.3 to 1.2 |
Molybdenum (Mo), % | 0 to 0.1 | |
0 |
Nickel (Ni), % | 8.5 to 10 | |
0 |
Phosphorus (P), % | 0 to 0.020 | |
0 to 0.040 |
Silicon (Si), % | 0 to 0.35 | |
0.15 to 0.35 |
Sulfur (S), % | 0 to 0.0050 | |
0 to 0.050 |
Vanadium (V), % | 0 to 0.050 | |
0 |