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SAE-AISI 1547 Steel vs. EN 1.5502 Steel

Both SAE-AISI 1547 steel and EN 1.5502 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 SAE-AISI 1547 steel and the bottom bar is EN 1.5502 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 220
120 to 160
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
12 to 20
Fatigue Strength, MPa 270 to 430
190 to 290
Poisson's Ratio 0.29
0.29
Reduction in Area, % 32 to 40
62 to 76
Shear Modulus, GPa 73
73
Shear Strength, MPa 440 to 480
280 to 330
Tensile Strength: Ultimate (UTS), MPa 740 to 800
400 to 1380
Tensile Strength: Yield (Proof), MPa 400 to 690
270 to 440

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 51
52
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
19
Embodied Water, L/kg 47
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 80 to 110
41 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1280
200 to 520
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 28
14 to 49
Strength to Weight: Bending, points 23 to 24
15 to 35
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 23 to 25
12 to 40

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0.43 to 0.51
0.15 to 0.2
Chromium (Cr), % 0
0 to 0.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.8 to 98.2
98 to 99.249
Manganese (Mn), % 1.4 to 1.7
0.6 to 0.9
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 0.3
Sulfur (S), % 0 to 0.050
0 to 0.025

Comparable Variants