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SAE-AISI 1552 Steel vs. EN 1.1147 Steel

Both SAE-AISI 1552 steel and EN 1.1147 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is SAE-AISI 1552 steel and the bottom bar is EN 1.1147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 250
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
12 to 17
Fatigue Strength, MPa 290 to 400
180 to 250
Poisson's Ratio 0.29
0.29
Reduction in Area, % 34 to 46
63 to 73
Shear Modulus, GPa 72
73
Shear Strength, MPa 460 to 510
280
Tensile Strength: Ultimate (UTS), MPa 760 to 840
390 to 470
Tensile Strength: Yield (Proof), MPa 460 to 650
280 to 370

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
51
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 12
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 81 to 98
40 to 73
Resilience: Unit (Modulus of Resilience), kJ/m3 560 to 1130
210 to 370
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 27 to 30
14 to 17
Strength to Weight: Bending, points 24 to 25
15 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 26 to 29
12 to 15

Alloy Composition

Carbon (C), % 0.47 to 0.55
0.15 to 0.19
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 97.9 to 98.3
98.3 to 99.25
Manganese (Mn), % 1.2 to 1.5
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