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EN 1.4818 Stainless Steel vs. SAE-AISI 1084 Steel

Both EN 1.4818 stainless steel and SAE-AISI 1084 steel are iron alloys. They have 69% 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 1.4818 stainless steel and the bottom bar is SAE-AISI 1084 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
220 to 270
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
11
Fatigue Strength, MPa 280
320 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 480
470 to 550
Tensile Strength: Ultimate (UTS), MPa 700
780 to 930
Tensile Strength: Yield (Proof), MPa 330
510 to 600

Thermal Properties

Latent Heat of Fusion, J/g 300
240
Maximum Temperature: Mechanical, °C 1050
400
Melting Completion (Liquidus), °C 1410
1450
Melting Onset (Solidus), °C 1370
1410
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
51
Thermal Expansion, µm/m-K 17
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.1
1.4
Embodied Energy, MJ/kg 44
19
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
81 to 89
Resilience: Unit (Modulus of Resilience), kJ/m3 270
700 to 960
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
28 to 33
Strength to Weight: Bending, points 23
24 to 27
Thermal Diffusivity, mm2/s 4.5
14
Thermal Shock Resistance, points 15
25 to 30

Alloy Composition

Carbon (C), % 0.040 to 0.080
0.8 to 0.93
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 65.6 to 71.8
98.1 to 98.6
Manganese (Mn), % 0 to 1.0
0.6 to 0.9
Nickel (Ni), % 9.0 to 11
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.0 to 2.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050