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EN 1.4466 Stainless Steel vs. SAE-AISI 4137 Steel

Both EN 1.4466 stainless steel and SAE-AISI 4137 steel are iron alloys. They have 51% 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 1.4466 stainless steel and the bottom bar is SAE-AISI 4137 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 42
23
Fatigue Strength, MPa 250
240
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 80
73
Shear Strength, MPa 440
350
Tensile Strength: Ultimate (UTS), MPa 640
550
Tensile Strength: Yield (Proof), MPa 280
340

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 28
2.4
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 5.0
1.5
Embodied Energy, MJ/kg 70
20
Embodied Water, L/kg 200
51

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
310
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 3.7
12
Thermal Shock Resistance, points 14
18

Alloy Composition

Carbon (C), % 0 to 0.020
0.35 to 0.4
Chromium (Cr), % 24 to 26
0.8 to 1.1
Iron (Fe), % 45.6 to 52.9
96.9 to 97.9
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 2.0 to 2.5
0.15 to 0.25
Nickel (Ni), % 21 to 23
0
Nitrogen (N), % 0.1 to 0.16
0
Phosphorus (P), % 0 to 0.025
0 to 0.035
Silicon (Si), % 0 to 0.7
0.15 to 0.35
Sulfur (S), % 0 to 0.010
0 to 0.040