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EN 1.4539 Stainless Steel vs. SAE-AISI 1108 Steel

Both EN 1.4539 stainless steel and SAE-AISI 1108 steel are iron alloys. They have 48% of their average alloy composition in common. There are 31 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 1.4539 stainless steel and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
23 to 34
Fatigue Strength, MPa 220
170 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
73
Shear Strength, MPa 430
250 to 280
Tensile Strength: Ultimate (UTS), MPa 630
380 to 440
Tensile Strength: Yield (Proof), MPa 260
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.1
7.9
Embodied Carbon, kg CO2/kg material 5.7
1.4
Embodied Energy, MJ/kg 78
18
Embodied Water, L/kg 200
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 160
130 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
13 to 16
Strength to Weight: Bending, points 20
15 to 16
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 14
12 to 14

Alloy Composition

Carbon (C), % 0 to 0.020
0.080 to 0.13
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 43.1 to 51.8
98.9 to 99.24
Manganese (Mn), % 0 to 2.0
0.6 to 0.8
Molybdenum (Mo), % 4.0 to 5.0
0
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.010
0.080 to 0.13