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S39277 Stainless Steel vs. EN 1.8818 Steel

Both S39277 stainless steel and EN 1.8818 steel are iron alloys. They have 62% of their average alloy composition in common. 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 S39277 stainless steel and the bottom bar is EN 1.8818 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
27
Fatigue Strength, MPa 480
200
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 600
280
Tensile Strength: Ultimate (UTS), MPa 930
440
Tensile Strength: Yield (Proof), MPa 660
270

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.2
1.6
Embodied Energy, MJ/kg 59
21
Embodied Water, L/kg 180
49

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1070
200
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 33
16
Strength to Weight: Bending, points 27
16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 26
13

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.034
Carbon (C), % 0 to 0.025
0 to 0.15
Chromium (Cr), % 24 to 26
0 to 0.35
Copper (Cu), % 1.2 to 2.0
0 to 0.6
Iron (Fe), % 56.8 to 64.3
95.9 to 99.985
Manganese (Mn), % 0 to 0.8
0 to 1.6
Molybdenum (Mo), % 3.0 to 4.0
0 to 0.13
Nickel (Ni), % 6.5 to 8.0
0 to 0.35
Niobium (Nb), % 0
0 to 0.060
Nitrogen (N), % 0.23 to 0.33
0 to 0.017
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.8
0 to 0.55
Sulfur (S), % 0 to 0.0020
0 to 0.030
Titanium (Ti), % 0
0 to 0.060
Tungsten (W), % 0.8 to 1.2
0
Vanadium (V), % 0
0 to 0.1