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EN 1.8507 Steel vs. AISI 403 Stainless Steel

Both EN 1.8507 steel and AISI 403 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.8507 steel and the bottom bar is AISI 403 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
190 to 240
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 16
16 to 25
Fatigue Strength, MPa 440
200 to 340
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 550
340 to 480
Tensile Strength: Ultimate (UTS), MPa 900
530 to 780
Tensile Strength: Yield (Proof), MPa 670
280 to 570

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 430
740
Melting Completion (Liquidus), °C 1450
1450
Melting Onset (Solidus), °C 1410
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 41
28
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 2.5
6.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.6
1.9
Embodied Energy, MJ/kg 21
27
Embodied Water, L/kg 63
99

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
110 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 1210
210 to 840
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 32
19 to 28
Strength to Weight: Bending, points 27
19 to 24
Thermal Diffusivity, mm2/s 11
7.6
Thermal Shock Resistance, points 26
20 to 29

Alloy Composition

Aluminum (Al), % 0.8 to 1.2
0
Carbon (C), % 0.3 to 0.37
0 to 0.15
Chromium (Cr), % 1.0 to 1.3
11.5 to 13
Iron (Fe), % 96.1 to 97.7
84.7 to 88.5
Manganese (Mn), % 0.4 to 0.7
0 to 1.0
Molybdenum (Mo), % 0.15 to 0.25
0
Nickel (Ni), % 0
0 to 0.6
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 0.5
Sulfur (S), % 0 to 0.035
0 to 0.030