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EN 1.8818 Steel vs. S35315 Stainless Steel

Both EN 1.8818 steel and S35315 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.8818 steel and the bottom bar is S35315 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 27
46
Fatigue Strength, MPa 200
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 280
520
Tensile Strength: Ultimate (UTS), MPa 440
740
Tensile Strength: Yield (Proof), MPa 270
300

Thermal Properties

Latent Heat of Fusion, J/g 250
330
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1370
Melting Onset (Solidus), °C 1420
1330
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 48
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
34
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
5.7
Embodied Energy, MJ/kg 21
81
Embodied Water, L/kg 49
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
270
Resilience: Unit (Modulus of Resilience), kJ/m3 200
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 16
26
Strength to Weight: Bending, points 16
23
Thermal Diffusivity, mm2/s 13
3.1
Thermal Shock Resistance, points 13
17

Alloy Composition

Aluminum (Al), % 0.015 to 0.034
0
Carbon (C), % 0 to 0.15
0.040 to 0.080
Cerium (Ce), % 0
0.030 to 0.1
Chromium (Cr), % 0 to 0.35
24 to 26
Copper (Cu), % 0 to 0.6
0
Iron (Fe), % 95.9 to 99.985
33.6 to 40.6
Manganese (Mn), % 0 to 1.6
0 to 2.0
Molybdenum (Mo), % 0 to 0.13
0
Nickel (Ni), % 0 to 0.35
34 to 36
Niobium (Nb), % 0 to 0.060
0
Nitrogen (N), % 0 to 0.017
0.12 to 0.18
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 0.55
1.2 to 2.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0 to 0.060
0
Vanadium (V), % 0 to 0.1
0