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EN 1.4845 Stainless Steel vs. SAE-AISI 1141 Steel

Both EN 1.4845 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 54% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4845 stainless steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
11 to 17
Fatigue Strength, MPa 200
270 to 430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Shear Strength, MPa 410
460 to 480
Tensile Strength: Ultimate (UTS), MPa 600
740 to 810
Tensile Strength: Yield (Proof), MPa 240
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 310
250
Maximum Temperature: Mechanical, °C 1050
400
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
12

Otherwise Unclassified Properties

Base Metal Price, % relative 25
1.9
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.3
1.4
Embodied Energy, MJ/kg 61
19
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180
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 21
26 to 29
Strength to Weight: Bending, points 20
23 to 25
Thermal Diffusivity, mm2/s 4.0
14
Thermal Shock Resistance, points 14
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.1
0.37 to 0.45
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 48.2 to 57
97.7 to 98.2
Manganese (Mn), % 0 to 2.0
1.4 to 1.7
Nickel (Ni), % 19 to 22
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.5
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13