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EN 1.4477 Stainless Steel vs. SAE-AISI 1108 Steel

Both EN 1.4477 stainless steel and SAE-AISI 1108 steel are iron alloys. They have 61% 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 1.4477 stainless steel and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
110 to 140
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 22 to 23
23 to 34
Fatigue Strength, MPa 420 to 490
170 to 260
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 550 to 580
250 to 280
Tensile Strength: Ultimate (UTS), MPa 880 to 930
380 to 440
Tensile Strength: Yield (Proof), MPa 620 to 730
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
52
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 52
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
130 to 340
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 33
13 to 16
Strength to Weight: Bending, points 26 to 27
15 to 16
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 23 to 25
12 to 14

Alloy Composition

Carbon (C), % 0 to 0.030
0.080 to 0.13
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
98.9 to 99.24
Manganese (Mn), % 0.8 to 1.5
0.6 to 0.8
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13

Comparable Variants