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SAE-AISI 1108 Steel vs. EN 1.4855 Stainless Steel

Both SAE-AISI 1108 steel and EN 1.4855 stainless steel are iron alloys. They have 48% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (6, 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 1.4855 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 110 to 140
150
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 23 to 34
4.6
Fatigue Strength, MPa 170 to 260
120
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Tensile Strength: Ultimate (UTS), MPa 380 to 440
500
Tensile Strength: Yield (Proof), MPa 220 to 360
250

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1050
Melting Completion (Liquidus), °C 1460
1400
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 52
14
Thermal Expansion, µm/m-K 12
16

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
34
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.4
5.9
Embodied Energy, MJ/kg 18
85
Embodied Water, L/kg 46
200

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 95 to 110
19
Resilience: Unit (Modulus of Resilience), kJ/m3 130 to 340
160
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 13 to 16
18
Strength to Weight: Bending, points 15 to 16
18
Thermal Diffusivity, mm2/s 14
3.7
Thermal Shock Resistance, points 12 to 14
11

Alloy Composition

Carbon (C), % 0.080 to 0.13
0.3 to 0.5
Chromium (Cr), % 0
23 to 25
Iron (Fe), % 98.9 to 99.24
42.6 to 51.9
Manganese (Mn), % 0.6 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
23 to 25
Niobium (Nb), % 0
0.8 to 1.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0
1.0 to 2.5
Sulfur (S), % 0.080 to 0.13
0 to 0.030