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EN 1.4411 Stainless Steel vs. EN 1.8507 Steel

Both EN 1.4411 stainless steel and EN 1.8507 steel are iron alloys. Both are furnished in the quenched and tempered condition. They have 78% 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 1.4411 stainless steel and the bottom bar is EN 1.8507 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 17
16
Fatigue Strength, MPa 370
440
Impact Strength: V-Notched Charpy, J 68
40
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 870
900
Tensile Strength: Yield (Proof), MPa 600
670

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 880
430
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1410
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 17
41
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 41
21
Embodied Water, L/kg 130
63

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
130
Resilience: Unit (Modulus of Resilience), kJ/m3 920
1210
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31
32
Strength to Weight: Bending, points 26
27
Thermal Diffusivity, mm2/s 4.6
11
Thermal Shock Resistance, points 28
26

Alloy Composition

Aluminum (Al), % 0
0.8 to 1.2
Carbon (C), % 0 to 0.060
0.3 to 0.37
Chromium (Cr), % 15 to 17
1.0 to 1.3
Iron (Fe), % 73.1 to 79.5
96.1 to 97.7
Manganese (Mn), % 0 to 1.0
0.4 to 0.7
Molybdenum (Mo), % 1.5 to 2.0
0.15 to 0.25
Nickel (Ni), % 4.0 to 6.0
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.035