MakeItFrom.com
Menu (ESC)

SAE-AISI S7 Steel vs. AISI 205 Stainless Steel

Both SAE-AISI S7 steel and AISI 205 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (13, 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 205 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
800 to 1430

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1380
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 12
18

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
11
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.3
2.6
Embodied Energy, MJ/kg 31
37
Embodied Water, L/kg 65
150

Common Calculations

PREN (Pitting Resistance) 8.4
23
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
26
Strength to Weight: Axial, points 24 to 72
29 to 52
Strength to Weight: Bending, points 22 to 46
25 to 37
Thermal Shock Resistance, points 22 to 66
16 to 29

Alloy Composition

Carbon (C), % 0.45 to 0.55
0.12 to 0.25
Chromium (Cr), % 3.0 to 3.5
16.5 to 18.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
62.6 to 68.1
Manganese (Mn), % 0.2 to 0.9
14 to 15.5
Molybdenum (Mo), % 1.3 to 1.8
0
Nickel (Ni), % 0
1.0 to 1.7
Nitrogen (N), % 0
0.32 to 0.4
Phosphorus (P), % 0 to 0.030
0 to 0.060
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