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EN 1.4542 Stainless Steel vs. SAE-AISI 4161 Steel

Both EN 1.4542 stainless steel and SAE-AISI 4161 steel are iron alloys. They have 76% of their average alloy composition in common. There are 30 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 1.4542 stainless steel and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 5.7 to 20
20
Fatigue Strength, MPa 370 to 640
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 550 to 860
420
Tensile Strength: Ultimate (UTS), MPa 880 to 1470
680
Tensile Strength: Yield (Proof), MPa 580 to 1300
410

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1410
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
43
Thermal Expansion, µm/m-K 11
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.5
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.7
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 62 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4360
460
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 31 to 52
24
Strength to Weight: Bending, points 26 to 37
22
Thermal Diffusivity, mm2/s 4.3
12
Thermal Shock Resistance, points 29 to 49
22

Alloy Composition

Carbon (C), % 0 to 0.070
0.56 to 0.64
Chromium (Cr), % 15 to 17
0.7 to 0.9
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 69.6 to 79
96.7 to 97.6
Manganese (Mn), % 0 to 1.5
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.6
0.25 to 0.35
Nickel (Ni), % 3.0 to 5.0
0
Niobium (Nb), % 0 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040