ASTM A229 Spring Steel vs. ASTM A210 Steel
Both ASTM A229 spring steel and ASTM A210 steel are iron alloys.
For each property being compared, the top bar is ASTM A229 spring steel and the bottom bar is ASTM A210 steel.
Metric UnitsUS Customary Units
Mechanical Properties
Brinell Hardness | 490 to 550 | |
140 to 160 |
Elastic (Young's, Tensile) Modulus, GPa | 190 | |
190 |
Elongation at Break, % | 14 | |
34 |
Fatigue Strength, MPa | 710 to 790 | |
230 to 250 |
Poisson's Ratio | 0.29 | |
0.29 |
Shear Modulus, GPa | 72 | |
73 |
Shear Strength, MPa | 1020 to 1140 | |
320 to 360 |
Tensile Strength: Ultimate (UTS), MPa | 1690 to 1890 | |
470 to 540 |
Tensile Strength: Yield (Proof), MPa | 1100 to 1230 | |
290 to 310 |
Thermal Properties
Latent Heat of Fusion, J/g | 250 | |
250 |
Maximum Temperature: Mechanical, °C | 400 | |
400 |
Melting Completion (Liquidus), °C | 1450 | |
1460 to 1470 |
Melting Onset (Solidus), °C | 1410 | |
1420 |
Specific Heat Capacity, J/kg-K | 470 | |
470 |
Thermal Conductivity, W/m-K | 50 | |
52 to 53 |
Thermal Expansion, µm/m-K | 12 | |
12 |
Electrical Properties
Electrical Conductivity: Equal Volume, % IACS | 7.2 | |
7.0 |
Electrical Conductivity: Equal Weight (Specific), % IACS | 8.3 | |
8.0 to 8.1 |
Otherwise Unclassified Properties
Base Metal Price, % relative | 1.8 | |
1.8 |
Density, g/cm3 | 7.8 | |
7.9 |
Embodied Carbon, kg CO2/kg material | 1.4 | |
1.4 |
Embodied Energy, MJ/kg | 19 | |
18 |
Embodied Water, L/kg | 46 | |
45 to 46 |
Common Calculations
Resilience: Ultimate (Unit Rupture Work), MJ/m3 | 200 to 230 | |
140 to 160 |
Resilience: Unit (Modulus of Resilience), kJ/m3 | 3260 to 4080 | |
230 to 250 |
Stiffness to Weight: Axial, points | 13 | |
13 |
Stiffness to Weight: Bending, points | 24 | |
24 |
Strength to Weight: Axial, points | 60 to 67 | |
17 to 19 |
Strength to Weight: Bending, points | 40 to 43 | |
17 to 19 |
Thermal Diffusivity, mm2/s | 14 | |
14 |
Thermal Shock Resistance, points | 54 to 60 | |
15 to 17 |