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SAE-AISI S4 Steel vs. S46910 Stainless Steel

Both SAE-AISI S4 steel and S46910 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S4 steel and the bottom bar is S46910 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 72
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2140
680 to 2470

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 13
11

Otherwise Unclassified Properties

Base Metal Price, % relative 2.2
18
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.0
4.1
Embodied Energy, MJ/kg 29
55
Embodied Water, L/kg 48
140

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 77
24 to 86
Strength to Weight: Bending, points 22 to 48
22 to 51
Thermal Shock Resistance, points 20 to 65
23 to 84

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.5
Carbon (C), % 0.5 to 0.65
0 to 0.030
Chromium (Cr), % 0.1 to 0.5
11 to 13
Copper (Cu), % 0
1.5 to 3.5
Iron (Fe), % 95.2 to 96.9
65 to 76
Manganese (Mn), % 0.6 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
3.0 to 5.0
Nickel (Ni), % 0
8.0 to 10
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 1.8 to 2.3
0 to 0.7
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.5 to 1.2
Vanadium (V), % 0.15 to 0.35
0

Comparable Variants