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EN 1.4919 Stainless Steel vs. SAE-AISI 1118 Steel

Both EN 1.4919 stainless steel and SAE-AISI 1118 steel are iron alloys. They have 68% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4919 stainless steel and the bottom bar is SAE-AISI 1118 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
13
Fatigue Strength, MPa 200
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 400
300
Tensile Strength: Ultimate (UTS), MPa 590
490
Tensile Strength: Yield (Proof), MPa 230
410

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
52
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 19
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.8
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
61
Resilience: Unit (Modulus of Resilience), kJ/m3 130
450
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
18
Thermal Diffusivity, mm2/s 4.3
14
Thermal Shock Resistance, points 13
15

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0.040 to 0.080
0.14 to 0.2
Chromium (Cr), % 16.5 to 18.5
0
Iron (Fe), % 62.8 to 71.5
98 to 98.5
Manganese (Mn), % 0 to 2.0
1.3 to 1.6
Molybdenum (Mo), % 2.0 to 2.5
0
Nickel (Ni), % 10 to 13
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.035
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13