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EN 1.4646 Stainless Steel vs. SAE-AISI S1 Steel

Both EN 1.4646 stainless steel and SAE-AISI S1 steel are iron alloys. They have 66% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (14, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is SAE-AISI S1 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 77
73
Tensile Strength: Ultimate (UTS), MPa 750
690 to 1840

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1390
1500
Melting Onset (Solidus), °C 1340
1450
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
8.0
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.8
2.6
Embodied Energy, MJ/kg 41
37
Embodied Water, L/kg 160
56

Common Calculations

PREN (Pitting Resistance) 23
5.9
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
24 to 64
Strength to Weight: Bending, points 24
22 to 42
Thermal Shock Resistance, points 16
21 to 56

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.4 to 0.55
Chromium (Cr), % 17 to 19
1.0 to 1.8
Copper (Cu), % 1.5 to 3.0
0 to 0.25
Iron (Fe), % 59 to 67.3
91.6 to 96.7
Manganese (Mn), % 10.5 to 12.5
0.1 to 0.4
Molybdenum (Mo), % 0 to 0.5
0 to 0.5
Nickel (Ni), % 3.5 to 4.5
0 to 0.3
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 1.0
0.15 to 1.2
Sulfur (S), % 0 to 0.015
0 to 0.030
Tungsten (W), % 0
1.5 to 3.0
Vanadium (V), % 0
0.15 to 0.3