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ASTM A229 Spring Steel vs. EN 1.3532 Steel

Both ASTM A229 spring steel and EN 1.3532 steel are iron alloys. They have a moderately high 94% 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 ASTM A229 spring steel and the bottom bar is EN 1.3532 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 490 to 550
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 72
73
Tensile Strength: Ultimate (UTS), MPa 1690 to 1890
700 to 1420

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
440
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 50
46
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.2
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
9.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
5.0
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.9
Embodied Energy, MJ/kg 19
25
Embodied Water, L/kg 46
60

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 60 to 67
25 to 50
Strength to Weight: Bending, points 40 to 43
22 to 36
Thermal Diffusivity, mm2/s 14
13
Thermal Shock Resistance, points 54 to 60
21 to 42

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.55 to 0.85
0.14 to 0.18
Chromium (Cr), % 0
1.0 to 1.4
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 97.5 to 99
92.6 to 94.8
Manganese (Mn), % 0.3 to 1.2
0.25 to 0.55
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 0
3.8 to 4.3
Oxygen (O), % 0
0 to 0.0020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0.15 to 0.35
0 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.030

Comparable Variants