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SAE-AISI 1141 Steel vs. EN 1.4886 Stainless Steel

Both SAE-AISI 1141 steel and EN 1.4886 stainless steel are iron alloys. They have 45% 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 SAE-AISI 1141 steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 220
170
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 11 to 17
45
Fatigue Strength, MPa 270 to 430
280
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 72
76
Shear Strength, MPa 460 to 480
400
Tensile Strength: Ultimate (UTS), MPa 740 to 810
580
Tensile Strength: Yield (Proof), MPa 400 to 700
300

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 400
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 51
12
Thermal Expansion, µm/m-K 12
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 10
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 12
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 1.9
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.4
5.4
Embodied Energy, MJ/kg 19
76
Embodied Water, L/kg 47
190

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 86 to 110
220
Resilience: Unit (Modulus of Resilience), kJ/m3 430 to 1290
230
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26 to 29
20
Strength to Weight: Bending, points 23 to 25
19
Thermal Diffusivity, mm2/s 14
3.1
Thermal Shock Resistance, points 24 to 26
14

Alloy Composition

Carbon (C), % 0.37 to 0.45
0 to 0.15
Chromium (Cr), % 0
17 to 20
Iron (Fe), % 97.7 to 98.2
38.7 to 49
Manganese (Mn), % 1.4 to 1.7
0 to 2.0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0
1.0 to 2.0
Sulfur (S), % 0.080 to 0.13
0 to 0.015