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SAE-AISI 1118 Steel vs. SAE-AISI 1017 Steel

Both SAE-AISI 1118 steel and SAE-AISI 1017 steel are iron alloys. They have a very high 99% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1118 steel and the bottom bar is SAE-AISI 1017 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
120 to 130
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13
20 to 30
Fatigue Strength, MPa 260
170 to 270
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Shear Strength, MPa 300
280 to 290
Tensile Strength: Ultimate (UTS), MPa 490
420 to 460
Tensile Strength: Yield (Proof), MPa 410
220 to 390

Thermal Properties

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

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
6.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
7.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.4
1.4
Embodied Energy, MJ/kg 19
18
Embodied Water, L/kg 47
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 61
88 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 450
130 to 400
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
15 to 16
Strength to Weight: Bending, points 18
16 to 17
Thermal Diffusivity, mm2/s 14
14
Thermal Shock Resistance, points 15
13 to 14

Alloy Composition

Carbon (C), % 0.14 to 0.2
0.15 to 0.2
Iron (Fe), % 98 to 98.5
99.11 to 99.55
Manganese (Mn), % 1.3 to 1.6
0.3 to 0.6
Phosphorus (P), % 0 to 0.040
0 to 0.040
Sulfur (S), % 0.080 to 0.13
0 to 0.050