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EN 1.4028 Stainless Steel vs. EN 1.8507 Steel

Both EN 1.4028 stainless steel and EN 1.8507 steel are iron alloys. They have 88% 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 EN 1.4028 stainless steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 17
16
Fatigue Strength, MPa 230 to 400
440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
72
Shear Strength, MPa 410 to 550
550
Tensile Strength: Ultimate (UTS), MPa 660 to 930
900
Tensile Strength: Yield (Proof), MPa 390 to 730
670

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 760
430
Melting Completion (Liquidus), °C 1440
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.8
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
2.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 1.9
1.6
Embodied Energy, MJ/kg 27
21
Embodied Water, L/kg 100
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 94 to 96
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 1360
1210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24 to 33
32
Strength to Weight: Bending, points 22 to 27
27
Thermal Diffusivity, mm2/s 8.1
11
Thermal Shock Resistance, points 23 to 32
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.26 to 0.35
0.3 to 0.37
Chromium (Cr), % 12 to 14
1.0 to 1.3
Iron (Fe), % 83.1 to 87.7
96.1 to 97.7
Manganese (Mn), % 0 to 1.5
0.4 to 0.7
Molybdenum (Mo), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035