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EN 1.8507 Steel vs. EN 1.4439 Stainless Steel

Both EN 1.8507 steel and EN 1.4439 stainless steel are iron alloys. They have 65% 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 1.8507 steel and the bottom bar is EN 1.4439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
40
Fatigue Strength, MPa 440
270
Impact Strength: V-Notched Charpy, J 40
90
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
79
Shear Strength, MPa 550
470
Tensile Strength: Ultimate (UTS), MPa 900
680
Tensile Strength: Yield (Proof), MPa 670
310

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
980
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 41
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
22
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 1.6
4.5
Embodied Energy, MJ/kg 21
61
Embodied Water, L/kg 63
160

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
220
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
240
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
24
Strength to Weight: Bending, points 27
22
Thermal Diffusivity, mm2/s 11
3.8
Thermal Shock Resistance, points 26
15

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.030
Chromium (Cr), % 1.0 to 1.3
16.5 to 18.5
Iron (Fe), % 96.1 to 97.7
58.7 to 66.9
Manganese (Mn), % 0.4 to 0.7
0 to 2.0
Molybdenum (Mo), % 0.15 to 0.25
4.0 to 5.0
Nickel (Ni), % 0
12.5 to 14.5
Nitrogen (N), % 0
0.12 to 0.22
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.035
0 to 0.015