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EN 1.1152 Steel vs. SAE-AISI 1144 Steel

Both EN 1.1152 steel and SAE-AISI 1144 steel are iron alloys. They have a very high 98% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.1152 steel and the bottom bar is SAE-AISI 1144 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
220 to 230
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 22
11 to 17
Fatigue Strength, MPa 190 to 300
280 to 430
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
34 to 40
Shear Modulus, GPa 73
72
Shear Strength, MPa 290 to 340
460 to 510
Tensile Strength: Ultimate (UTS), MPa 400 to 550
750 to 840
Tensile Strength: Yield (Proof), MPa 270 to 440
420 to 690

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Maximum Temperature: Mechanical, °C 400
400
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 52
51
Thermal Expansion, µm/m-K 12
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 18
19
Embodied Water, L/kg 46
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 110
91 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 530
480 to 1290
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 19
27 to 30
Strength to Weight: Bending, points 15 to 19
23 to 25
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13 to 17
22 to 24

Alloy Composition

Carbon (C), % 0.18 to 0.22
0.4 to 0.48
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.6 to 99.52
97.5 to 98
Manganese (Mn), % 0.3 to 0.6
1.4 to 1.7
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0.24 to 0.33

Comparable Variants