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EN 1.4912 Stainless Steel vs. C90500 Gun Metal

EN 1.4912 stainless steel belongs to the iron alloys classification, while C90500 gun metal belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is EN 1.4912 stainless steel and the bottom bar is C90500 gun metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
110
Elongation at Break, % 40
20
Fatigue Strength, MPa 200
90
Poisson's Ratio 0.28
0.34
Shear Modulus, GPa 77
40
Tensile Strength: Ultimate (UTS), MPa 610
320
Tensile Strength: Yield (Proof), MPa 230
160

Thermal Properties

Latent Heat of Fusion, J/g 290
190
Maximum Temperature: Mechanical, °C 940
170
Melting Completion (Liquidus), °C 1430
1000
Melting Onset (Solidus), °C 1390
850
Specific Heat Capacity, J/kg-K 480
370
Thermal Conductivity, W/m-K 16
75
Thermal Expansion, µm/m-K 16
18

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
11
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
11

Otherwise Unclassified Properties

Base Metal Price, % relative 20
35
Density, g/cm3 7.8
8.7
Embodied Carbon, kg CO2/kg material 3.8
3.6
Embodied Energy, MJ/kg 55
59
Embodied Water, L/kg 140
390

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
54
Resilience: Unit (Modulus of Resilience), kJ/m3 130
110
Stiffness to Weight: Axial, points 14
6.9
Stiffness to Weight: Bending, points 25
18
Strength to Weight: Axial, points 22
10
Strength to Weight: Bending, points 20
12
Thermal Diffusivity, mm2/s 4.2
23
Thermal Shock Resistance, points 14
12

Alloy Composition

Aluminum (Al), % 0
0 to 0.0050
Antimony (Sb), % 0
0 to 0.2
Carbon (C), % 0.040 to 0.1
0
Chromium (Cr), % 17 to 19
0
Copper (Cu), % 0
86 to 89
Iron (Fe), % 64.6 to 73.6
0 to 0.2
Lead (Pb), % 0
0 to 0.3
Manganese (Mn), % 0 to 2.0
0
Nickel (Ni), % 9.0 to 12
0 to 1.0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 1.5
Silicon (Si), % 0 to 1.0
0 to 0.0050
Sulfur (S), % 0 to 0.015
0 to 0.050
Tin (Sn), % 0
9.0 to 11
Zinc (Zn), % 0
1.0 to 3.0
Residuals, % 0
0 to 0.3