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SAE-AISI O7 Steel vs. EN 1.4513 Stainless Steel

Both SAE-AISI O7 steel and EN 1.4513 stainless 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 (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI O7 steel and the bottom bar is EN 1.4513 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 73
77
Tensile Strength: Ultimate (UTS), MPa 680 to 2110
480

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Melting Completion (Liquidus), °C 1480
1450
Melting Onset (Solidus), °C 1430
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 41
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 6.0
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.5
Embodied Energy, MJ/kg 33
35
Embodied Water, L/kg 52
120

Common Calculations

PREN (Pitting Resistance) 3.6
21
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24 to 74
17
Strength to Weight: Bending, points 22 to 46
18
Thermal Diffusivity, mm2/s 11
6.8
Thermal Shock Resistance, points 23 to 70
17

Alloy Composition

Carbon (C), % 1.1 to 1.3
0 to 0.025
Chromium (Cr), % 0.35 to 0.85
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 92.9 to 97.6
77.7 to 83.1
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.3
0.8 to 1.4
Nickel (Ni), % 0 to 0.3
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8
Tungsten (W), % 1.0 to 2.0
0
Vanadium (V), % 0 to 0.4
0