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ASTM A232 Spring Steel vs. EN 1.0213 Steel

Both ASTM A232 spring steel and EN 1.0213 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 31 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 A232 spring steel and the bottom bar is EN 1.0213 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 540
92 to 120
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
12 to 25
Fatigue Strength, MPa 1040
160 to 240
Poisson's Ratio 0.29
0.29
Reduction in Area, % 46
72 to 80
Shear Modulus, GPa 73
73
Shear Strength, MPa 1090
230 to 270
Tensile Strength: Ultimate (UTS), MPa 1790
320 to 430
Tensile Strength: Yield (Proof), MPa 1610
220 to 330

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
53
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.0
1.4
Embodied Energy, MJ/kg 28
18
Embodied Water, L/kg 51
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
33 to 98
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 64
11 to 15
Strength to Weight: Bending, points 42
13 to 16
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 53
10 to 14

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.060
Carbon (C), % 0.48 to 0.53
0.060 to 0.1
Chromium (Cr), % 0.8 to 1.1
0
Iron (Fe), % 96.8 to 97.7
99.245 to 99.67
Manganese (Mn), % 0.7 to 0.9
0.25 to 0.45
Phosphorus (P), % 0 to 0.020
0 to 0.020
Silicon (Si), % 0.15 to 0.35
0 to 0.1
Sulfur (S), % 0 to 0.035
0 to 0.025
Vanadium (V), % 0.15 to 0.3
0