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EN 1.4418 Stainless Steel vs. SAE-AISI 1019 Steel

Both EN 1.4418 stainless steel and SAE-AISI 1019 steel are iron alloys. They have 78% 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 1.4418 stainless steel and the bottom bar is SAE-AISI 1019 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 16 to 20
17 to 29
Fatigue Strength, MPa 350 to 480
190 to 290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 530 to 620
300 to 320
Tensile Strength: Ultimate (UTS), MPa 860 to 1000
470 to 520
Tensile Strength: Yield (Proof), MPa 540 to 790
250 to 430

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 870
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
52
Thermal Expansion, µm/m-K 10
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 13
1.8
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 170
82 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 730 to 1590
160 to 500
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 36
17 to 18
Strength to Weight: Bending, points 26 to 28
17 to 18
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 31 to 36
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.060
0.15 to 0.2
Chromium (Cr), % 15 to 17
0
Iron (Fe), % 73.2 to 80.2
98.7 to 99.15
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 0.8 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
0
Nitrogen (N), % 0 to 0.020
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.7
0
Sulfur (S), % 0 to 0.015
0 to 0.050