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EN 1.0303 Steel vs. SAE-AISI 1524 Steel

Both EN 1.0303 steel and SAE-AISI 1524 steel are iron alloys. They have a very high 99% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.0303 steel and the bottom bar is SAE-AISI 1524 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 84 to 120
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 25
14 to 22
Fatigue Strength, MPa 150 to 230
230 to 340
Poisson's Ratio 0.29
0.29
Reduction in Area, % 75 to 86
39 to 48
Shear Modulus, GPa 73
73
Shear Strength, MPa 220 to 260
360 to 390
Tensile Strength: Ultimate (UTS), MPa 290 to 410
570 to 650
Tensile Strength: Yield (Proof), MPa 200 to 320
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1430
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
52
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
8.3
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
9.5

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
48

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 30 to 94
84 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 110 to 270
270 to 760
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 10 to 15
20 to 23
Strength to Weight: Bending, points 12 to 16
19 to 21
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 9.2 to 13
18 to 21

Alloy Composition

Aluminum (Al), % 0.020 to 0.060
0
Carbon (C), % 0.020 to 0.060
0.19 to 0.25
Iron (Fe), % 99.335 to 99.71
98 to 98.5
Manganese (Mn), % 0.25 to 0.4
1.4 to 1.7
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants