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EN 1.4162 Stainless Steel vs. SAE-AISI 1140 Steel

Both EN 1.4162 stainless steel and SAE-AISI 1140 steel are iron alloys. They have 71% 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 1.4162 stainless steel and the bottom bar is SAE-AISI 1140 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 250
170 to 180
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 32
14 to 18
Fatigue Strength, MPa 410
230 to 370
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 520
370 to 420
Tensile Strength: Ultimate (UTS), MPa 780
600 to 700
Tensile Strength: Yield (Proof), MPa 520
340 to 570

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 12
1.8
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.6
1.4
Embodied Energy, MJ/kg 38
18
Embodied Water, L/kg 150
46

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
89 to 93
Resilience: Unit (Modulus of Resilience), kJ/m3 690
310 to 870
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
21 to 25
Strength to Weight: Bending, points 25
20 to 22
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 21
18 to 21

Alloy Composition

Carbon (C), % 0 to 0.040
0.37 to 0.44
Chromium (Cr), % 21 to 22
0
Copper (Cu), % 0.1 to 0.8
0
Iron (Fe), % 67.2 to 73.3
98.4 to 98.9
Manganese (Mn), % 4.0 to 6.0
0.7 to 1.0
Molybdenum (Mo), % 0.1 to 0.8
0
Nickel (Ni), % 1.4 to 1.9
0
Nitrogen (N), % 0.2 to 0.25
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13