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SAE-AISI 1108 Steel vs. EN 1.4595 Stainless Steel

Both SAE-AISI 1108 steel and EN 1.4595 stainless steel are iron alloys. They have 84% 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 SAE-AISI 1108 steel and the bottom bar is EN 1.4595 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 34
29
Fatigue Strength, MPa 170 to 260
180
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 250 to 280
310
Tensile Strength: Ultimate (UTS), MPa 380 to 440
470
Tensile Strength: Yield (Proof), MPa 220 to 360
250

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
810
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
30
Thermal Expansion, µm/m-K 12
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.0
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
10
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.4
Embodied Energy, MJ/kg 18
34
Embodied Water, L/kg 46
110

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 110
110
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 340
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
17
Strength to Weight: Bending, points 15 to 16
17
Thermal Diffusivity, mm2/s 14
8.1
Thermal Shock Resistance, points 12 to 14
17

Alloy Composition

Carbon (C), % 0.080 to 0.13
0 to 0.020
Chromium (Cr), % 0
14 to 16
Iron (Fe), % 98.9 to 99.24
81.3 to 85.8
Manganese (Mn), % 0.6 to 0.8
0 to 1.0
Niobium (Nb), % 0
0.2 to 0.6
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.040
0 to 0.025
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0.080 to 0.13
0 to 0.015