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EN 1.4592 Stainless Steel vs. SAE-AISI O7 Steel

Both EN 1.4592 stainless steel and SAE-AISI O7 steel are iron alloys. They have 67% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4592 stainless steel and the bottom bar is SAE-AISI O7 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 82
73
Tensile Strength: Ultimate (UTS), MPa 630
680 to 2110

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
7.6
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.7

Otherwise Unclassified Properties

Base Metal Price, % relative 18
6.0
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.8
2.3
Embodied Energy, MJ/kg 52
33
Embodied Water, L/kg 180
52

Common Calculations

PREN (Pitting Resistance) 43
3.6
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
24 to 74
Strength to Weight: Bending, points 21
22 to 46
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 20
23 to 70

Alloy Composition

Carbon (C), % 0 to 0.025
1.1 to 1.3
Chromium (Cr), % 28 to 30
0.35 to 0.85
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 62.6 to 68.4
92.9 to 97.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.5 to 4.5
0 to 0.3
Nickel (Ni), % 0
0 to 0.3
Nitrogen (N), % 0 to 0.045
0
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.15 to 0.8
0
Tungsten (W), % 0
1.0 to 2.0
Vanadium (V), % 0
0 to 0.4