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EN 1.5503 Steel vs. S20432 Stainless Steel

Both EN 1.5503 steel and S20432 stainless steel are iron alloys. They have 71% of their average alloy composition in common. There are 31 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 1.5503 steel and the bottom bar is S20432 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 160
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 17
45
Fatigue Strength, MPa 180 to 280
210
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 270 to 320
400
Tensile Strength: Ultimate (UTS), MPa 400 to 520
580
Tensile Strength: Yield (Proof), MPa 270 to 430
230

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
900
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
15
Thermal Expansion, µm/m-K 13
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 1.4
2.7
Embodied Energy, MJ/kg 18
38
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 41 to 81
210
Resilience: Unit (Modulus of Resilience), kJ/m3 200 to 490
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 19
21
Strength to Weight: Bending, points 15 to 18
20
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 12 to 15
13

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.16 to 0.2
0 to 0.080
Chromium (Cr), % 0
17 to 18
Copper (Cu), % 0 to 0.25
2.0 to 3.0
Iron (Fe), % 98.4 to 99.239
66.7 to 74
Manganese (Mn), % 0.6 to 0.8
3.0 to 5.0
Nickel (Ni), % 0
4.0 to 6.0
Nitrogen (N), % 0
0.050 to 0.2
Phosphorus (P), % 0 to 0.025
0 to 0.045
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030