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EN 1.4594 Stainless Steel vs. EN 1.5501 Steel

Both EN 1.4594 stainless steel and EN 1.5501 steel are iron alloys. They have 77% 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 1.4594 stainless steel and the bottom bar is EN 1.5501 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
12 to 17
Fatigue Strength, MPa 490 to 620
180 to 270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 620 to 700
270 to 310
Tensile Strength: Ultimate (UTS), MPa 1020 to 1170
390 to 510
Tensile Strength: Yield (Proof), MPa 810 to 1140
260 to 420

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 820
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1410
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 15
1.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 3.2
1.4
Embodied Energy, MJ/kg 45
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 190
40 to 83
Resilience: Unit (Modulus of Resilience), kJ/m3 1660 to 3320
190 to 460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 41
14 to 18
Strength to Weight: Bending, points 29 to 31
15 to 18
Thermal Diffusivity, mm2/s 4.4
14
Thermal Shock Resistance, points 34 to 39
11 to 15

Alloy Composition

Boron (B), % 0
0.00080 to 0.0050
Carbon (C), % 0 to 0.070
0.13 to 0.16
Chromium (Cr), % 13 to 15
0
Copper (Cu), % 1.2 to 2.0
0 to 0.25
Iron (Fe), % 72.6 to 79.5
98.4 to 99.269
Manganese (Mn), % 0 to 1.0
0.6 to 0.8
Molybdenum (Mo), % 1.2 to 2.0
0
Nickel (Ni), % 5.0 to 6.0
0
Niobium (Nb), % 0.15 to 0.6
0
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0 to 0.7
0 to 0.3
Sulfur (S), % 0 to 0.015
0 to 0.025