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EN 1.4762 Stainless Steel vs. SAE-AISI 4047 Steel

Both EN 1.4762 stainless steel and SAE-AISI 4047 steel are iron alloys. Both are furnished in the annealed condition. They have 73% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4762 stainless steel and the bottom bar is SAE-AISI 4047 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13
23
Fatigue Strength, MPa 180
220
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 370
370
Tensile Strength: Ultimate (UTS), MPa 620
580
Tensile Strength: Yield (Proof), MPa 310
310

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1150
400
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 17
48
Thermal Expansion, µm/m-K 10
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 12
2.1
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
1.5
Embodied Energy, MJ/kg 37
19
Embodied Water, L/kg 170
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 67
110
Resilience: Unit (Modulus of Resilience), kJ/m3 250
260
Stiffness to Weight: Axial, points 15
13
Stiffness to Weight: Bending, points 26
24
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.6
13
Thermal Shock Resistance, points 22
18

Alloy Composition

Aluminum (Al), % 1.2 to 1.7
0
Carbon (C), % 0 to 0.12
0.45 to 0.5
Chromium (Cr), % 23 to 26
0
Iron (Fe), % 69.7 to 75.1
97.9 to 98.5
Manganese (Mn), % 0 to 1.0
0.7 to 0.9
Molybdenum (Mo), % 0
0.2 to 0.3
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0.7 to 1.4
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040