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EN 1.3553 Steel vs. ASTM A232 Spring Steel

Both EN 1.3553 steel and ASTM A232 spring steel are iron alloys. They have 84% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.3553 steel and the bottom bar is ASTM A232 spring steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
540
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 720
1790

Thermal Properties

Latent Heat of Fusion, J/g 260
250
Maximum Temperature: Mechanical, °C 540
420
Melting Completion (Liquidus), °C 1620
1460
Melting Onset (Solidus), °C 1570
1410
Specific Heat Capacity, J/kg-K 440
470
Thermal Conductivity, W/m-K 24
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 11
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.3
Density, g/cm3 8.4
7.8
Embodied Carbon, kg CO2/kg material 8.5
2.0
Embodied Energy, MJ/kg 130
28
Embodied Water, L/kg 96
51

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 24
64
Strength to Weight: Bending, points 21
42
Thermal Diffusivity, mm2/s 6.4
14
Thermal Shock Resistance, points 21
53

Alloy Composition

Carbon (C), % 0.78 to 0.86
0.48 to 0.53
Chromium (Cr), % 3.9 to 4.3
0.8 to 1.1
Copper (Cu), % 0 to 0.3
0
Iron (Fe), % 80.7 to 83.7
96.8 to 97.7
Manganese (Mn), % 0 to 0.4
0.7 to 0.9
Molybdenum (Mo), % 4.7 to 5.2
0
Phosphorus (P), % 0 to 0.025
0 to 0.020
Silicon (Si), % 0 to 0.4
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 6.0 to 6.7
0
Vanadium (V), % 1.7 to 2.0
0.15 to 0.3