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AISI 304Cu Stainless Steel vs. SAE-AISI 4615 Steel

Both AISI 304Cu stainless steel and SAE-AISI 4615 steel are iron alloys. Both are furnished in the annealed condition. They have 71% 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 AISI 304Cu stainless steel and the bottom bar is SAE-AISI 4615 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
150
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 45
27
Fatigue Strength, MPa 190
260
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 370
310
Tensile Strength: Ultimate (UTS), MPa 530
480
Tensile Strength: Yield (Proof), MPa 210
350

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 930
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1370
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 13
47
Thermal Expansion, µm/m-K 16
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 16
3.2
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.0
1.6
Embodied Energy, MJ/kg 43
22
Embodied Water, L/kg 150
50

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
120
Resilience: Unit (Modulus of Resilience), kJ/m3 110
320
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 3.5
13
Thermal Shock Resistance, points 12
16

Alloy Composition

Carbon (C), % 0 to 0.030
0.13 to 0.18
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 63.9 to 72
96.4 to 97.4
Manganese (Mn), % 0 to 2.0
0.45 to 0.65
Molybdenum (Mo), % 0
0.2 to 0.3
Nickel (Ni), % 8.0 to 10
1.7 to 2.0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.040