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EN 1.4910 Stainless Steel vs. SAE-AISI 4047 Steel

Both EN 1.4910 stainless steel and SAE-AISI 4047 steel are iron alloys. They have 67% 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 1.4910 stainless steel and the bottom bar is SAE-AISI 4047 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
170
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 41
23
Fatigue Strength, MPa 250
220
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 450
370
Tensile Strength: Ultimate (UTS), MPa 650
580
Tensile Strength: Yield (Proof), MPa 290
310

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 950
400
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 16
48
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 20
2.1
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 3.9
1.5
Embodied Energy, MJ/kg 54
19
Embodied Water, L/kg 150
47

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
110
Resilience: Unit (Modulus of Resilience), kJ/m3 210
260
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 23
20
Strength to Weight: Bending, points 21
20
Thermal Diffusivity, mm2/s 4.3
13
Thermal Shock Resistance, points 14
18

Alloy Composition

Boron (B), % 0.0015 to 0.0050
0
Carbon (C), % 0 to 0.040
0.45 to 0.5
Chromium (Cr), % 16 to 18
0
Iron (Fe), % 62 to 69.9
97.9 to 98.5
Manganese (Mn), % 0 to 2.0
0.7 to 0.9
Molybdenum (Mo), % 2.0 to 3.0
0.2 to 0.3
Nickel (Ni), % 12 to 14
0
Nitrogen (N), % 0.1 to 0.18
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 0.75
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.040