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EN 1.4905 Stainless Steel vs. SAE-AISI 1527 Steel

Both EN 1.4905 stainless steel and SAE-AISI 1527 steel are iron alloys. They have 88% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4905 stainless steel and the bottom bar is SAE-AISI 1527 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 19
13 to 21
Fatigue Strength, MPa 330
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 460
370 to 390
Tensile Strength: Ultimate (UTS), MPa 740
590 to 640
Tensile Strength: Yield (Proof), MPa 510
320 to 550

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Maximum Temperature: Mechanical, °C 660
400
Melting Completion (Liquidus), °C 1480
1460
Melting Onset (Solidus), °C 1440
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 26
52
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 3.7
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 4.2
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 40
19
Embodied Water, L/kg 90
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
82 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 680
260 to 800
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21 to 23
Strength to Weight: Bending, points 23
20 to 21
Thermal Diffusivity, mm2/s 7.0
14
Thermal Shock Resistance, points 25
19 to 20

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Boron (B), % 0.00050 to 0.0050
0
Carbon (C), % 0.090 to 0.13
0.22 to 0.29
Chromium (Cr), % 8.5 to 9.5
0
Iron (Fe), % 86.2 to 88.8
98.1 to 98.6
Manganese (Mn), % 0.3 to 0.6
1.2 to 1.5
Molybdenum (Mo), % 0.9 to 1.1
0
Nickel (Ni), % 0.1 to 0.4
0
Niobium (Nb), % 0.060 to 0.1
0
Nitrogen (N), % 0.050 to 0.090
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0
Sulfur (S), % 0 to 0.010
0 to 0.050
Tungsten (W), % 0.9 to 1.1
0
Vanadium (V), % 0.18 to 0.25
0