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EN 1.4849 Stainless Steel vs. SAE-AISI 4161 Steel

Both EN 1.4849 stainless steel and SAE-AISI 4161 steel are iron alloys. They have 41% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.4849 stainless steel and the bottom bar is SAE-AISI 4161 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
200
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.5
20
Fatigue Strength, MPa 120
290
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 75
73
Tensile Strength: Ultimate (UTS), MPa 480
680
Tensile Strength: Yield (Proof), MPa 250
410

Thermal Properties

Latent Heat of Fusion, J/g 320
250
Maximum Temperature: Mechanical, °C 1020
420
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
43
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 42
2.5
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 7.1
1.5
Embodied Energy, MJ/kg 100
20
Embodied Water, L/kg 200
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 18
120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
460
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 17
22
Thermal Diffusivity, mm2/s 3.2
12
Thermal Shock Resistance, points 11
22

Alloy Composition

Carbon (C), % 0.3 to 0.5
0.56 to 0.64
Chromium (Cr), % 18 to 21
0.7 to 0.9
Iron (Fe), % 32.6 to 43.5
96.7 to 97.6
Manganese (Mn), % 0 to 2.0
0.75 to 1.0
Molybdenum (Mo), % 0 to 0.5
0.25 to 0.35
Nickel (Ni), % 36 to 39
0
Niobium (Nb), % 1.2 to 1.8
0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 1.0 to 2.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040