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S35125 Stainless Steel vs. EN 1.8918 Steel

Both S35125 stainless steel and EN 1.8918 steel are iron alloys. They have 43% of their average alloy composition in common. There are 30 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 S35125 stainless steel and the bottom bar is EN 1.8918 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 39
19
Fatigue Strength, MPa 200
330
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 370
400
Tensile Strength: Ultimate (UTS), MPa 540
640
Tensile Strength: Yield (Proof), MPa 230
490

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 12
46
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 36
2.5
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 6.4
1.7
Embodied Energy, MJ/kg 89
24
Embodied Water, L/kg 210
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
640
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
23
Strength to Weight: Bending, points 18
21
Thermal Diffusivity, mm2/s 3.1
12
Thermal Shock Resistance, points 12
19

Alloy Composition

Aluminum (Al), % 0
0.020 to 0.050
Carbon (C), % 0 to 0.1
0 to 0.2
Chromium (Cr), % 20 to 23
0 to 0.3
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 36.2 to 45.8
95.2 to 98.9
Manganese (Mn), % 1.0 to 1.5
1.1 to 1.7
Molybdenum (Mo), % 2.0 to 3.0
0 to 0.1
Nickel (Ni), % 31 to 35
0 to 0.8
Niobium (Nb), % 0.25 to 0.6
0 to 0.050
Nitrogen (N), % 0
0 to 0.025
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.5
0 to 0.6
Sulfur (S), % 0 to 0.015
0 to 0.0050
Titanium (Ti), % 0
0 to 0.030
Vanadium (V), % 0
0 to 0.2