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EN 1.4611 Stainless Steel vs. SAE-AISI S7 Steel

Both EN 1.4611 stainless steel and SAE-AISI S7 steel are iron alloys. They have 82% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4611 stainless steel and the bottom bar is SAE-AISI S7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
74
Tensile Strength: Ultimate (UTS), MPa 530
670 to 2030

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
40
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.8
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
9.0

Otherwise Unclassified Properties

Base Metal Price, % relative 11
5.0
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.3
Embodied Energy, MJ/kg 36
31
Embodied Water, L/kg 140
65

Common Calculations

PREN (Pitting Resistance) 21
8.4
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
24 to 72
Strength to Weight: Bending, points 19
22 to 46
Thermal Diffusivity, mm2/s 5.7
11
Thermal Shock Resistance, points 18
22 to 66

Alloy Composition

Aluminum (Al), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.45 to 0.55
Chromium (Cr), % 19 to 22
3.0 to 3.5
Copper (Cu), % 0 to 0.5
0 to 0.25
Iron (Fe), % 73.3 to 80.8
91.6 to 94.9
Manganese (Mn), % 0 to 1.0
0.2 to 0.9
Molybdenum (Mo), % 0 to 0.5
1.3 to 1.8
Nickel (Ni), % 0 to 0.5
0
Phosphorus (P), % 0 to 0.050
0 to 0.030
Silicon (Si), % 0 to 1.0
0.2 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.030
Titanium (Ti), % 0.2 to 1.0
0
Vanadium (V), % 0
0 to 0.3