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S31803 Stainless Steel vs. EN 1.5507 Steel

Both S31803 stainless steel and EN 1.5507 steel are iron alloys. They have 69% of their average alloy composition in common. There are 26 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 S31803 stainless steel and the bottom bar is EN 1.5507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 260
140 to 260
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Reduction in Area, % 50
58 to 72
Shear Modulus, GPa 80
73
Tensile Strength: Ultimate (UTS), MPa 710
450 to 880

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1060
410
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.0
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.4
Embodied Energy, MJ/kg 49
19
Embodied Water, L/kg 160
49

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
16 to 31
Strength to Weight: Bending, points 23
17 to 26
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 20
13 to 26

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.080
Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.030
0.21 to 0.25
Chromium (Cr), % 21 to 23
0.25 to 0.35
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 63.7 to 71.9
97.8 to 98.7
Manganese (Mn), % 0 to 2.0
0.8 to 1.0
Molybdenum (Mo), % 2.5 to 3.5
0
Nickel (Ni), % 4.5 to 6.5
0
Nitrogen (N), % 0.080 to 0.2
0
Phosphorus (P), % 0 to 0.030
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.15
Sulfur (S), % 0 to 0.020
0 to 0.015
Titanium (Ti), % 0
0 to 0.060