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EN 1.4412 Stainless Steel vs. SAE-AISI 1141 Steel

Both EN 1.4412 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 66% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4412 stainless steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
11 to 17
Fatigue Strength, MPa 190
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Tensile Strength: Ultimate (UTS), MPa 490
740 to 810
Tensile Strength: Yield (Proof), MPa 230
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1000
400
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.1
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.4
Embodied Energy, MJ/kg 56
19
Embodied Water, L/kg 160
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 140
430 to 1290
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 17
26 to 29
Strength to Weight: Bending, points 18
23 to 25
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 11
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.070
0.37 to 0.45
Chromium (Cr), % 18 to 20
0
Iron (Fe), % 60.4 to 69
97.7 to 98.2
Manganese (Mn), % 0 to 1.5
1.4 to 1.7
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 10 to 13
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.030
0.080 to 0.13