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EN 1.5501 Steel vs. AISI 429 Stainless Steel

Both EN 1.5501 steel and AISI 429 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.5501 steel and the bottom bar is AISI 429 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 120 to 150
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 17
25
Fatigue Strength, MPa 180 to 270
180
Poisson's Ratio 0.29
0.28
Reduction in Area, % 63 to 73
50
Shear Modulus, GPa 73
77
Shear Strength, MPa 270 to 310
300
Tensile Strength: Ultimate (UTS), MPa 390 to 510
480
Tensile Strength: Yield (Proof), MPa 260 to 420
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
26
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
7.5
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.0
Embodied Energy, MJ/kg 18
28
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 83
99
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 460
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 18
17
Strength to Weight: Bending, points 15 to 18
18
Thermal Diffusivity, mm2/s 14
6.9
Thermal Shock Resistance, points 11 to 15
17

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.13 to 0.16
0 to 0.12
Chromium (Cr), % 0
14 to 16
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 98.4 to 99.269
81.8 to 86
Manganese (Mn), % 0.6 to 0.8
0 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030