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EN 1.4319 Stainless Steel vs. SAE-AISI 1146 Steel

Both EN 1.4319 stainless steel and SAE-AISI 1146 steel are iron alloys. They have 75% 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 EN 1.4319 stainless steel and the bottom bar is SAE-AISI 1146 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190 to 200
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 51
13 to 17
Fatigue Strength, MPa 240
240 to 400
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 460
410 to 440
Tensile Strength: Ultimate (UTS), MPa 640
670 to 730
Tensile Strength: Yield (Proof), MPa 250
360 to 630

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 890
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 13
1.8
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.4
Embodied Energy, MJ/kg 39
18
Embodied Water, L/kg 130
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
93 to 97
Resilience: Unit (Modulus of Resilience), kJ/m3 160
340 to 1050
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
24 to 26
Strength to Weight: Bending, points 21
22 to 23
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
20 to 22

Alloy Composition

Carbon (C), % 0 to 0.070
0.42 to 0.49
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 70.8 to 78
98.3 to 98.8
Manganese (Mn), % 0 to 2.0
0.7 to 1.0
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13