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EN 1.8503 Steel vs. S39277 Stainless Steel

Both EN 1.8503 steel and S39277 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.8503 steel and the bottom bar is S39277 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 300
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
28
Fatigue Strength, MPa 600
480
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
80
Shear Strength, MPa 610
600
Tensile Strength: Ultimate (UTS), MPa 1000
930
Tensile Strength: Yield (Proof), MPa 910
660

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 41
16
Thermal Expansion, µm/m-K 13
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 3.3
23
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.3
4.2
Embodied Energy, MJ/kg 33
59
Embodied Water, L/kg 57
180

Common Calculations

PREN (Pitting Resistance) 3.7
43
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
240
Resilience: Unit (Modulus of Resilience), kJ/m3 2200
1070
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 35
33
Strength to Weight: Bending, points 28
27
Thermal Diffusivity, mm2/s 11
4.2
Thermal Shock Resistance, points 29
26

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0.16 to 0.24
0 to 0.025
Chromium (Cr), % 1.2 to 1.5
24 to 26
Copper (Cu), % 0
1.2 to 2.0
Iron (Fe), % 95.8 to 97.5
56.8 to 64.3
Manganese (Mn), % 0.4 to 0.8
0 to 0.8
Molybdenum (Mo), % 0.65 to 0.8
3.0 to 4.0
Nickel (Ni), % 0
6.5 to 8.0
Nitrogen (N), % 0
0.23 to 0.33
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.4
0 to 0.8
Sulfur (S), % 0 to 0.035
0 to 0.0020
Tungsten (W), % 0
0.8 to 1.2
Vanadium (V), % 0.25 to 0.35
0