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EN 1.4057 Stainless Steel vs. SAE-AISI 1108 Steel

Both EN 1.4057 stainless steel and SAE-AISI 1108 steel are iron alloys. They have 81% 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 1.4057 stainless steel and the bottom bar is SAE-AISI 1108 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 11 to 17
23 to 34
Fatigue Strength, MPa 320 to 430
170 to 260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 520 to 580
250 to 280
Tensile Strength: Ultimate (UTS), MPa 840 to 980
380 to 440
Tensile Strength: Yield (Proof), MPa 530 to 790
220 to 360

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 850
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
52
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
1.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.2
1.4
Embodied Energy, MJ/kg 32
18
Embodied Water, L/kg 120
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 96 to 130
95 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 700 to 1610
130 to 340
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 30 to 35
13 to 16
Strength to Weight: Bending, points 26 to 28
15 to 16
Thermal Diffusivity, mm2/s 6.7
14
Thermal Shock Resistance, points 30 to 35
12 to 14

Alloy Composition

Carbon (C), % 0.12 to 0.22
0.080 to 0.13
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 77.7 to 83.4
98.9 to 99.24
Manganese (Mn), % 0 to 1.5
0.6 to 0.8
Nickel (Ni), % 1.5 to 2.5
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13

Comparable Variants