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EN 1.4872 Stainless Steel vs. SAE-AISI 1141 Steel

Both EN 1.4872 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 60% 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 1.4872 stainless steel and the bottom bar is SAE-AISI 1141 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
210 to 220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
11 to 17
Fatigue Strength, MPa 410
270 to 430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 79
72
Shear Strength, MPa 620
460 to 480
Tensile Strength: Ultimate (UTS), MPa 950
740 to 810
Tensile Strength: Yield (Proof), MPa 560
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
400
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
51
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
12

Otherwise Unclassified Properties

Base Metal Price, % relative 17
1.9
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
1.4
Embodied Energy, MJ/kg 47
19
Embodied Water, L/kg 180
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 780
430 to 1290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 35
26 to 29
Strength to Weight: Bending, points 28
23 to 25
Thermal Diffusivity, mm2/s 3.9
14
Thermal Shock Resistance, points 21
24 to 26

Alloy Composition

Carbon (C), % 0.2 to 0.3
0.37 to 0.45
Chromium (Cr), % 24 to 26
0
Iron (Fe), % 54.2 to 61.6
97.7 to 98.2
Manganese (Mn), % 8.0 to 10
1.4 to 1.7
Nickel (Ni), % 6.0 to 8.0
0
Nitrogen (N), % 0.2 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13