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EN 1.4432 Stainless Steel vs. EN 1.8507 Steel

Both EN 1.4432 stainless steel and EN 1.8507 steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 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 1.4432 stainless steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 44
16
Fatigue Strength, MPa 220
440
Impact Strength: V-Notched Charpy, J 90
40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 420
550
Tensile Strength: Ultimate (UTS), MPa 610
900
Tensile Strength: Yield (Proof), MPa 250
670

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 960
430
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
41
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.6
Embodied Energy, MJ/kg 54
21
Embodied Water, L/kg 150
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
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 21
32
Strength to Weight: Bending, points 20
27
Thermal Diffusivity, mm2/s 4.0
11
Thermal Shock Resistance, points 14
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.030
0.3 to 0.37
Chromium (Cr), % 16.5 to 18.5
1.0 to 1.3
Iron (Fe), % 62.3 to 70.5
96.1 to 97.7
Manganese (Mn), % 0 to 2.0
0.4 to 0.7
Molybdenum (Mo), % 2.5 to 3.0
0.15 to 0.25
Nickel (Ni), % 10.5 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.015
0 to 0.035