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SAE-AISI 1017 Steel vs. SAE-AISI P21 Steel

Both SAE-AISI 1017 steel and SAE-AISI P21 steel are iron alloys. They have a moderately high 94% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI 1017 steel and the bottom bar is SAE-AISI P21 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.29
Shear Modulus, GPa 73
73
Tensile Strength: Ultimate (UTS), MPa 420 to 460
1130

Thermal Properties

Latent Heat of Fusion, J/g 250
250
Melting Completion (Liquidus), °C 1470
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
41
Thermal Expansion, µm/m-K 12
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 6.9
7.9
Electrical Conductivity: Equal Weight (Specific), % IACS 7.9
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
6.5
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 1.4
2.3
Embodied Energy, MJ/kg 18
32
Embodied Water, L/kg 45
62

Common Calculations

Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 15 to 16
40
Strength to Weight: Bending, points 16 to 17
31
Thermal Diffusivity, mm2/s 14
11
Thermal Shock Resistance, points 13 to 14
37

Alloy Composition

Carbon (C), % 0.15 to 0.2
0.18 to 0.22
Chromium (Cr), % 0
0 to 0.5
Cobalt (Co), % 0
1.1 to 1.3
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 99.11 to 99.55
92.1 to 94.2
Manganese (Mn), % 0.3 to 0.6
0.35 to 0.72
Nickel (Ni), % 0
3.9 to 4.3
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
0.2 to 0.4
Sulfur (S), % 0 to 0.050
0 to 0.030
Vanadium (V), % 0
0.15 to 0.25