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EN 1.4806 Stainless Steel vs. SAE-AISI 1038 Steel

Both EN 1.4806 stainless steel and SAE-AISI 1038 steel are iron alloys. They have 46% of their average alloy composition in common. There are 30 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 1.4806 stainless steel and the bottom bar is SAE-AISI 1038 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 6.8
14 to 20
Fatigue Strength, MPa 120
220 to 350
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 470
590 to 640
Tensile Strength: Yield (Proof), MPa 250
320 to 540

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1380
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.0

Otherwise Unclassified Properties

Base Metal Price, % relative 31
1.8
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
1.4
Embodied Energy, MJ/kg 76
18
Embodied Water, L/kg 190
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 27
83 to 100
Resilience: Unit (Modulus of Resilience), kJ/m3 160
270 to 790
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 16
21 to 23
Strength to Weight: Bending, points 17
20 to 21
Thermal Diffusivity, mm2/s 3.1
14
Thermal Shock Resistance, points 11
19 to 20

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.35 to 0.42
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 40.4 to 48.7
98.6 to 99.05
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 34 to 36
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 1.0 to 2.5
0
Sulfur (S), % 0 to 0.030
0 to 0.050