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EN 1.5508 Steel vs. AISI 430 Stainless Steel

Both EN 1.5508 steel and AISI 430 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 32 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 1.5508 steel and the bottom bar is AISI 430 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 130 to 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 20
24
Fatigue Strength, MPa 210 to 320
180
Poisson's Ratio 0.29
0.28
Reduction in Area, % 62 to 74
51
Shear Modulus, GPa 73
77
Shear Strength, MPa 300 to 360
320
Tensile Strength: Ultimate (UTS), MPa 420 to 1460
500
Tensile Strength: Yield (Proof), MPa 310 to 490
260

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
870
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
3.4

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.1
Embodied Energy, MJ/kg 19
30
Embodied Water, L/kg 47
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 44 to 230
100
Resilience: Unit (Modulus of Resilience), kJ/m3 260 to 640
170
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15 to 52
18
Strength to Weight: Bending, points 16 to 36
18
Thermal Diffusivity, mm2/s 14
6.7
Thermal Shock Resistance, points 12 to 43
18

Alloy Composition

Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.2 to 0.25
0 to 0.12
Chromium (Cr), % 0 to 0.3
16 to 18
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 97.9 to 99.199
79.1 to 84
Manganese (Mn), % 0.6 to 0.9
0 to 1.0
Nickel (Ni), % 0
0 to 0.75
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