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EN 1.4477 Stainless Steel vs. SAE-AISI 1141 Steel

Both EN 1.4477 stainless steel and SAE-AISI 1141 steel are iron alloys. They have 61% 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 1.4477 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 210
190
Elongation at Break, % 22 to 23
11 to 17
Fatigue Strength, MPa 420 to 490
270 to 430
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
72
Shear Strength, MPa 550 to 580
460 to 480
Tensile Strength: Ultimate (UTS), MPa 880 to 930
740 to 810
Tensile Strength: Yield (Proof), MPa 620 to 730
400 to 700

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
51
Thermal Expansion, µm/m-K 13
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
10
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
12

Otherwise Unclassified Properties

Base Metal Price, % relative 20
1.9
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.7
1.4
Embodied Energy, MJ/kg 52
19
Embodied Water, L/kg 190
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 180 to 190
86 to 110
Resilience: Unit (Modulus of Resilience), kJ/m3 940 to 1290
430 to 1290
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 33
26 to 29
Strength to Weight: Bending, points 26 to 27
23 to 25
Thermal Diffusivity, mm2/s 3.5
14
Thermal Shock Resistance, points 23 to 25
24 to 26

Alloy Composition

Carbon (C), % 0 to 0.030
0.37 to 0.45
Chromium (Cr), % 28 to 30
0
Copper (Cu), % 0 to 0.8
0
Iron (Fe), % 56.6 to 63.6
97.7 to 98.2
Manganese (Mn), % 0.8 to 1.5
1.4 to 1.7
Molybdenum (Mo), % 1.5 to 2.6
0
Nickel (Ni), % 5.8 to 7.5
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0
Sulfur (S), % 0 to 0.015
0.080 to 0.13

Comparable Variants