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EN 1.1152 Steel vs. SAE-AISI 1074 Steel

Both EN 1.1152 steel and SAE-AISI 1074 steel are iron alloys. Their average alloy composition is basically identical.

For each property being compared, the top bar is EN 1.1152 steel and the bottom bar is SAE-AISI 1074 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
220 to 250
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 12 to 22
11 to 14
Fatigue Strength, MPa 190 to 300
290 to 350
Poisson's Ratio 0.29
0.29
Reduction in Area, % 63 to 73
34 to 45
Shear Modulus, GPa 73
72
Shear Strength, MPa 290 to 340
440 to 490
Tensile Strength: Ultimate (UTS), MPa 400 to 550
740 to 820
Tensile Strength: Yield (Proof), MPa 270 to 440
450 to 570

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 52
50
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
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 18
19
Embodied Water, L/kg 46
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 110
77 to 94
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 530
550 to 860
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 14 to 19
26 to 29
Strength to Weight: Bending, points 15 to 19
23 to 25
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 13 to 17
24 to 26

Alloy Composition

Carbon (C), % 0.18 to 0.22
0.7 to 0.8
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.6 to 99.52
98.3 to 98.8
Manganese (Mn), % 0.3 to 0.6
0.5 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.025
0 to 0.050

Comparable Variants