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EN 1.4315 Stainless Steel vs. AISI 304Cu Stainless Steel

Both EN 1.4315 stainless steel and AISI 304Cu stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4315 stainless steel and the bottom bar is AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
45
Fatigue Strength, MPa 290
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Shear Strength, MPa 440
370
Tensile Strength: Ultimate (UTS), MPa 630
530
Tensile Strength: Yield (Proof), MPa 310
210

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 960
930
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 15
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.0
3.0
Embodied Energy, MJ/kg 43
43
Embodied Water, L/kg 150
150

Common Calculations

PREN (Pitting Resistance) 22
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 240
190
Resilience: Unit (Modulus of Resilience), kJ/m3 240
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22
19
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 14
12

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 18 to 20
17 to 19
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 65.7 to 73.9
63.9 to 72
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 8.0 to 11
8.0 to 10
Nitrogen (N), % 0.12 to 0.22
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030