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EN 1.8507 Steel vs. EN 1.4557 Stainless Steel

Both EN 1.8507 steel and EN 1.4557 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 31 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 1.8507 steel and the bottom bar is EN 1.4557 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
40
Fatigue Strength, MPa 440
260
Impact Strength: V-Notched Charpy, J 40
56
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
80
Tensile Strength: Ultimate (UTS), MPa 900
560
Tensile Strength: Yield (Proof), MPa 670
300

Thermal Properties

Latent Heat of Fusion, J/g 250
300
Maximum Temperature: Mechanical, °C 430
1090
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 41
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
29
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.6
Embodied Energy, MJ/kg 21
76
Embodied Water, L/kg 63
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
190
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 32
19
Strength to Weight: Bending, points 27
19
Thermal Diffusivity, mm2/s 11
4.0
Thermal Shock Resistance, points 26
12

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.020
Chromium (Cr), % 1.0 to 1.3
19.5 to 20.5
Copper (Cu), % 0
0.5 to 1.0
Iron (Fe), % 96.1 to 97.7
49.5 to 56.3
Manganese (Mn), % 0.4 to 0.7
0 to 1.2
Molybdenum (Mo), % 0.15 to 0.25
6.0 to 7.0
Nickel (Ni), % 0
17.5 to 19.5
Nitrogen (N), % 0
0.18 to 0.24
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.010