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S31655 Stainless Steel vs. EN 1.7102 Steel

Both S31655 stainless steel and EN 1.7102 steel are iron alloys. They have 69% of their average alloy composition in common. There are 25 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 S31655 stainless steel and the bottom bar is EN 1.7102 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 710
670 to 2010

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Maximum Temperature: Mechanical, °C 1010
410
Melting Completion (Liquidus), °C 1430
1440
Melting Onset (Solidus), °C 1380
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
47
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 17
2.2
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.3
1.5
Embodied Energy, MJ/kg 46
20
Embodied Water, L/kg 160
48

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
24 to 72
Strength to Weight: Bending, points 23
22 to 46
Thermal Diffusivity, mm2/s 4.0
13
Thermal Shock Resistance, points 16
20 to 60

Alloy Composition

Carbon (C), % 0 to 0.030
0.51 to 0.59
Chromium (Cr), % 19.5 to 21.5
0.5 to 0.8
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 63.2 to 71.9
96.2 to 97.3
Manganese (Mn), % 0 to 2.0
0.5 to 0.8
Molybdenum (Mo), % 0.5 to 1.5
0
Nickel (Ni), % 8.0 to 9.5
0
Nitrogen (N), % 0.14 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
1.2 to 1.6
Sulfur (S), % 0 to 0.015
0 to 0.025