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EN 1.4857 Stainless Steel vs. EN 1.8507 Steel

Both EN 1.4857 stainless steel and EN 1.8507 steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. 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 1.4857 stainless steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7
16
Fatigue Strength, MPa 120
440
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 500
900
Tensile Strength: Yield (Proof), MPa 250
670

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1370
1450
Melting Onset (Solidus), °C 1320
1410
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 13
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.0
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 34
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.7
1.6
Embodied Energy, MJ/kg 81
21
Embodied Water, L/kg 220
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 28
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
32
Strength to Weight: Bending, points 18
27
Thermal Diffusivity, mm2/s 3.4
11
Thermal Shock Resistance, points 11
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0.3 to 0.5
0.3 to 0.37
Chromium (Cr), % 24 to 27
1.0 to 1.3
Iron (Fe), % 31.4 to 41.7
96.1 to 97.7
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 0 to 0.5
0.15 to 0.25
Nickel (Ni), % 33 to 36
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 1.0 to 2.5
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.035