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ASTM A232 Spring Steel vs. AWS ER100S-1

Both ASTM A232 spring steel and AWS ER100S-1 are iron alloys. They have a very high 96% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A232 spring steel and the bottom bar is AWS ER100S-1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
18
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 1790
770
Tensile Strength: Yield (Proof), MPa 1610
700

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
3.6
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.0
1.8
Embodied Energy, MJ/kg 28
24
Embodied Water, L/kg 51
54

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
130
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 64
27
Strength to Weight: Bending, points 42
24
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 53
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.1
Carbon (C), % 0.48 to 0.53
0 to 0.080
Chromium (Cr), % 0.8 to 1.1
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 96.8 to 97.7
93.5 to 96.9
Manganese (Mn), % 0.7 to 0.9
1.3 to 1.8
Molybdenum (Mo), % 0
0.25 to 0.55
Nickel (Ni), % 0
1.4 to 2.1
Phosphorus (P), % 0 to 0.020
0 to 0.010
Silicon (Si), % 0.15 to 0.35
0.2 to 0.55
Sulfur (S), % 0 to 0.035
0 to 0.010
Titanium (Ti), % 0
0 to 0.1
Vanadium (V), % 0.15 to 0.3
0 to 0.050
Zirconium (Zr), % 0
0 to 0.1
Residuals, % 0
0 to 0.5