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EN 1.4872 Stainless Steel vs. AISI 304Cu Stainless Steel

Both EN 1.4872 stainless steel and AISI 304Cu stainless steel are iron alloys. They have 84% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4872 stainless steel and the bottom bar is AISI 304Cu stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
160
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 28
45
Fatigue Strength, MPa 410
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 620
370
Tensile Strength: Ultimate (UTS), MPa 950
530
Tensile Strength: Yield (Proof), MPa 560
210

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 1150
930
Melting Completion (Liquidus), °C 1390
1410
Melting Onset (Solidus), °C 1340
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
16
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 3.3
3.0
Embodied Energy, MJ/kg 47
43
Embodied Water, L/kg 180
150

Common Calculations

PREN (Pitting Resistance) 30
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 230
190
Resilience: Unit (Modulus of Resilience), kJ/m3 780
110
Stiffness to Weight: Axial, points 15
14
Stiffness to Weight: Bending, points 26
25
Strength to Weight: Axial, points 35
19
Strength to Weight: Bending, points 28
19
Thermal Diffusivity, mm2/s 3.9
3.5
Thermal Shock Resistance, points 21
12

Alloy Composition

Carbon (C), % 0.2 to 0.3
0 to 0.030
Chromium (Cr), % 24 to 26
17 to 19
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 54.2 to 61.6
63.9 to 72
Manganese (Mn), % 8.0 to 10
0 to 2.0
Nickel (Ni), % 6.0 to 8.0
8.0 to 10
Nitrogen (N), % 0.2 to 0.4
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