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SAE-AISI 1046 Steel vs. EN 1.4372 Stainless Steel

Both SAE-AISI 1046 steel and EN 1.4372 stainless steel are iron alloys. They have 72% of their average alloy composition in common. There are 31 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 SAE-AISI 1046 steel and the bottom bar is EN 1.4372 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 14 to 17
47
Fatigue Strength, MPa 240 to 390
330
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
77
Shear Strength, MPa 410 to 450
560
Tensile Strength: Ultimate (UTS), MPa 660 to 740
790
Tensile Strength: Yield (Proof), MPa 370 to 610
350

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 400
880
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
15
Thermal Expansion, µm/m-K 11
17

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 11
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 12
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.8
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
2.6
Embodied Energy, MJ/kg 18
38
Embodied Water, L/kg 46
140

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 91 to 95
310
Resilience: Unit (Modulus of Resilience), kJ/m3 360 to 990
320
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 26
29
Strength to Weight: Bending, points 22 to 23
25
Thermal Diffusivity, mm2/s 14
4.0
Thermal Shock Resistance, points 23 to 25
17

Alloy Composition

Carbon (C), % 0.43 to 0.5
0 to 0.15
Chromium (Cr), % 0
16 to 18
Iron (Fe), % 98.4 to 98.9
67.5 to 75
Manganese (Mn), % 0.7 to 1.0
5.5 to 7.5
Nickel (Ni), % 0
3.5 to 5.5
Nitrogen (N), % 0
0.050 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0
0 to 1.0
Sulfur (S), % 0 to 0.050
0 to 0.015