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SAE-AISI S7 Steel vs. AISI 410 Stainless Steel

Both SAE-AISI S7 steel and AISI 410 stainless steel are iron alloys. They have a moderately high 90% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is AISI 410 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
520 to 770

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1530
Melting Onset (Solidus), °C 1420
1480
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 12
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.3
1.9
Embodied Energy, MJ/kg 31
27
Embodied Water, L/kg 65
100

Common Calculations

PREN (Pitting Resistance) 8.4
13
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 72
19 to 28
Strength to Weight: Bending, points 22 to 46
19 to 24
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 22 to 66
18 to 26

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.080 to 0.15
Chromium (Cr), % 3.0 to 3.5
11.5 to 13.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
83.5 to 88.4
Manganese (Mn), % 0.2 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
0 to 0.75
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0 to 0.3
0

Comparable Variants