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SAE-AISI S7 Steel vs. EN 1.4596 Stainless Steel

Both SAE-AISI S7 steel and EN 1.4596 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 20 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI S7 steel and the bottom bar is EN 1.4596 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
76
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
1030 to 1600

Thermal Properties

Latent Heat of Fusion, J/g 260
280
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
15
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
3.5
Embodied Energy, MJ/kg 31
48
Embodied Water, L/kg 65
130

Common Calculations

PREN (Pitting Resistance) 8.4
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 72
36 to 56
Strength to Weight: Bending, points 22 to 46
29 to 39
Thermal Shock Resistance, points 22 to 66
35 to 54

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.1
Carbon (C), % 0.45 to 0.55
0 to 0.015
Chromium (Cr), % 3.0 to 3.5
11.5 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
73.4 to 76.4
Manganese (Mn), % 0.2 to 0.9
0 to 0.1
Molybdenum (Mo), % 1.3 to 1.8
1.9 to 2.2
Nickel (Ni), % 0
9.2 to 10.2
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0.2 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.0050
Titanium (Ti), % 0
0.28 to 0.4
Vanadium (V), % 0 to 0.3
0