ASTM A227 Spring Steel vs. ASTM A572 Steel
Both ASTM A227 spring steel and ASTM A572 steel are iron alloys. There are 30 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.
For each property being compared, the top bar is ASTM A227 spring steel and the bottom bar is ASTM A572 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 500 to 640 | |
140 to 190 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 12 | |
18 to 25 |
Fatigue Strength, MPa | 900 to 1160 | |
240 to 340 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 1030 to 1330 | |
300 to 380 |
Tensile Strength: Ultimate (UTS), MPa | 1720 to 2220 | |
470 to 620 |
Tensile Strength: Yield (Proof), MPa | 1430 to 1850 | |
330 to 510 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
400 |
Melting Completion (Liquidus), °C | 1450 | |
1460 |
Melting Onset (Solidus), °C | 1410 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 52 | |
51 |
Thermal Expansion, µm/m-K | 12 | |
13 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.2 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
8.2 to 8.3 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
2.0 |
Density, g/cm3 | 7.8 | |
7.8 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.6 |
Embodied Energy, MJ/kg | 19 | |
22 |
Embodied Water, L/kg | 46 | |
47 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 260 | |
100 to 110 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 61 to 79 | |
17 to 22 |
Strength to Weight: Bending, points | 41 to 48 | |
17 to 21 |
Thermal Diffusivity, mm2/s | 14 | |
14 |
Thermal Shock Resistance, points | 55 to 71 | |
14 to 18 |