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EN 1.4634 Stainless Steel vs. SAE-AISI 5147 Steel

Both EN 1.4634 stainless steel and SAE-AISI 5147 steel are iron alloys. Both are furnished in the annealed condition. They have 80% 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 1.4634 stainless steel and the bottom bar is SAE-AISI 5147 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 21
20
Fatigue Strength, MPa 180
250
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
370
Tensile Strength: Ultimate (UTS), MPa 540
600
Tensile Strength: Yield (Proof), MPa 280
360

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 900
420
Melting Completion (Liquidus), °C 1430
1450
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 21
46
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.2
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
1.5
Embodied Energy, MJ/kg 42
19
Embodied Water, L/kg 140
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 93
110
Resilience: Unit (Modulus of Resilience), kJ/m3 200
360
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 20
21
Strength to Weight: Bending, points 19
20
Thermal Diffusivity, mm2/s 5.8
12
Thermal Shock Resistance, points 19
18

Alloy Composition

Aluminum (Al), % 0.2 to 1.5
0
Carbon (C), % 0 to 0.030
0.46 to 0.51
Chromium (Cr), % 17.5 to 18.5
0.85 to 1.2
Copper (Cu), % 0 to 0.5
0
Iron (Fe), % 74.9 to 81.8
97 to 97.8
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 0 to 0.5
0
Niobium (Nb), % 0.3 to 1.0
0
Phosphorus (P), % 0 to 0.050
0 to 0.035
Silicon (Si), % 0.2 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.050
0 to 0.040