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EN 1.0031 Steel vs. EN 1.4877 Stainless Steel

Both EN 1.0031 steel and EN 1.4877 stainless steel are iron alloys. They have a modest 40% 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 (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.0031 steel and the bottom bar is EN 1.4877 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 89
190
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 28
36
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
79
Shear Strength, MPa 200
420
Tensile Strength: Ultimate (UTS), MPa 310
630
Tensile Strength: Yield (Proof), MPa 210
200

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 400
1150
Melting Completion (Liquidus), °C 1470
1400
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 53
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
1.8
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
37
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.2
Embodied Energy, MJ/kg 18
89
Embodied Water, L/kg 45
220

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 78
180
Resilience: Unit (Modulus of Resilience), kJ/m3 120
100
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 11
22
Strength to Weight: Bending, points 13
20
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 9.8
15

Alloy Composition

Aluminum (Al), % 0
0 to 0.025
Carbon (C), % 0 to 0.1
0.040 to 0.080
Cerium (Ce), % 0
0.050 to 0.1
Chromium (Cr), % 0
26 to 28
Iron (Fe), % 98.8 to 100
36.4 to 42.3
Manganese (Mn), % 0 to 0.7
0 to 1.0
Nickel (Ni), % 0
31 to 33
Niobium (Nb), % 0
0.6 to 1.0
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 0 to 0.35
0 to 0.3
Sulfur (S), % 0 to 0.045
0 to 0.010