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ASTM A232 Spring Steel vs. EN 1.0352 Steel

Both ASTM A232 spring steel and EN 1.0352 steel are iron alloys. They have a very high 98% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (3, 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 1.0352 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 540
140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 14
27
Fatigue Strength, MPa 1040
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 1090
300
Tensile Strength: Ultimate (UTS), MPa 1790
470
Tensile Strength: Yield (Proof), MPa 1610
250

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 420
400
Melting Completion (Liquidus), °C 1460
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 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
1.8
Density, g/cm3 7.8
7.8
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
110
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 64
17
Strength to Weight: Bending, points 42
17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 53
15

Alloy Composition

Carbon (C), % 0.48 to 0.53
0.080 to 0.2
Chromium (Cr), % 0.8 to 1.1
0
Iron (Fe), % 96.8 to 97.7
98.1 to 99.42
Manganese (Mn), % 0.7 to 0.9
0.5 to 1.3
Phosphorus (P), % 0 to 0.020
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.035
0 to 0.015
Vanadium (V), % 0.15 to 0.3
0