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EN 1.5501 Steel vs. EN 1.4634 Stainless Steel

Both EN 1.5501 steel and EN 1.4634 stainless steel are iron alloys. They have 79% 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 1.5501 steel and the bottom bar is EN 1.4634 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 12 to 17
21
Fatigue Strength, MPa 180 to 270
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 270 to 310
340
Tensile Strength: Ultimate (UTS), MPa 390 to 510
540
Tensile Strength: Yield (Proof), MPa 260 to 420
280

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 400
900
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
21
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.1
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
13
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.9
Embodied Energy, MJ/kg 18
42
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 40 to 83
93
Resilience: Unit (Modulus of Resilience), kJ/m3 190 to 460
200
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 14 to 18
20
Strength to Weight: Bending, points 15 to 18
19
Thermal Diffusivity, mm2/s 14
5.8
Thermal Shock Resistance, points 11 to 15
19

Alloy Composition

Aluminum (Al), % 0
0.2 to 1.5
Boron (B), % 0.00080 to 0.0050
0
Carbon (C), % 0.13 to 0.16
0 to 0.030
Chromium (Cr), % 0
17.5 to 18.5
Copper (Cu), % 0 to 0.25
0 to 0.5
Iron (Fe), % 98.4 to 99.269
74.9 to 81.8
Manganese (Mn), % 0.6 to 0.8
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.3 to 1.0
Phosphorus (P), % 0 to 0.025
0 to 0.050
Silicon (Si), % 0 to 0.3
0.2 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.050