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EN 1.4646 Stainless Steel vs. SAE-AISI 1046 Steel

Both EN 1.4646 stainless steel and SAE-AISI 1046 steel are iron alloys. They have 64% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.4646 stainless steel and the bottom bar is SAE-AISI 1046 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
190 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
14 to 17
Fatigue Strength, MPa 340
240 to 390
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 500
410 to 450
Tensile Strength: Ultimate (UTS), MPa 750
660 to 740
Tensile Strength: Yield (Proof), MPa 430
370 to 610

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 910
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
11

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.4
Embodied Energy, MJ/kg 41
18
Embodied Water, L/kg 160
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
91 to 95
Resilience: Unit (Modulus of Resilience), kJ/m3 460
360 to 990
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
23 to 26
Strength to Weight: Bending, points 24
22 to 23
Thermal Shock Resistance, points 16
23 to 25

Alloy Composition

Carbon (C), % 0.020 to 0.1
0.43 to 0.5
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 1.5 to 3.0
0
Iron (Fe), % 59 to 67.3
98.4 to 98.9
Manganese (Mn), % 10.5 to 12.5
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 3.5 to 4.5
0
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0 to 0.050