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SAE-AISI S7 Steel vs. EN 1.4513 Stainless Steel

Both SAE-AISI S7 steel and EN 1.4513 stainless steel are iron alloys. They have 86% 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 S7 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 74
77
Tensile Strength: Ultimate (UTS), MPa 670 to 2030
480

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
480
Thermal Conductivity, W/m-K 40
25
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.8
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 9.0
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
10
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.5
Embodied Energy, MJ/kg 31
35
Embodied Water, L/kg 65
120

Common Calculations

PREN (Pitting Resistance) 8.4
21
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 24 to 72
17
Strength to Weight: Bending, points 22 to 46
18
Thermal Diffusivity, mm2/s 11
6.8
Thermal Shock Resistance, points 22 to 66
17

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.025
Chromium (Cr), % 3.0 to 3.5
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 91.6 to 94.9
77.7 to 83.1
Manganese (Mn), % 0.2 to 0.9
0 to 1.0
Molybdenum (Mo), % 1.3 to 1.8
0.8 to 1.4
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0.2 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8
Vanadium (V), % 0 to 0.3
0