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SAE-AISI 1046 Steel vs. EN 1.4887 Stainless Steel

Both SAE-AISI 1046 steel and EN 1.4887 stainless steel are iron alloys. They have 41% 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 SAE-AISI 1046 steel and the bottom bar is EN 1.4887 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 17
45
Fatigue Strength, MPa 240 to 390
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 410 to 450
400
Tensile Strength: Ultimate (UTS), MPa 660 to 740
580
Tensile Strength: Yield (Proof), MPa 370 to 610
300

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 11
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
39
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
6.7
Embodied Energy, MJ/kg 18
96
Embodied Water, L/kg 46
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 95
220
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 990
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 26
20
Strength to Weight: Bending, points 22 to 23
19
Thermal Diffusivity, mm2/s 14
3.2
Thermal Shock Resistance, points 23 to 25
14

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.15
Chromium (Cr), % 0
20 to 23
Iron (Fe), % 98.4 to 98.9
34.2 to 45
Manganese (Mn), % 0.7 to 1.0
0 to 2.0
Nickel (Ni), % 0
33 to 37
Niobium (Nb), % 0
1.0 to 1.5
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0 to 0.050
0 to 0.015