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S21603 Stainless Steel vs. SAE-AISI S5 Steel

Both S21603 stainless steel and SAE-AISI S5 steel are iron alloys. They have 65% of their average alloy composition in common. There are 20 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 S21603 stainless steel and the bottom bar is SAE-AISI S5 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 690
680 to 1940

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
3.1
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.6
2.1
Embodied Energy, MJ/kg 50
29
Embodied Water, L/kg 160
51

Common Calculations

PREN (Pitting Resistance) 34
2.9
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
25 to 70
Strength to Weight: Bending, points 22
22 to 45
Thermal Shock Resistance, points 15
23 to 65

Alloy Composition

Carbon (C), % 0 to 0.030
0.5 to 0.65
Chromium (Cr), % 17.5 to 22
0 to 0.5
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 57.6 to 67.8
93.6 to 97
Manganese (Mn), % 7.5 to 9.0
0.6 to 1.0
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 1.4
Nickel (Ni), % 5.0 to 7.0
0
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
1.8 to 2.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0
0 to 0.35