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C90500 Gun Metal vs. S46500 Stainless Steel

C90500 gun metal belongs to the copper alloys classification, while S46500 stainless steel belongs to the iron alloys. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is C90500 gun metal and the bottom bar is S46500 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 110
190
Elongation at Break, % 20
2.3 to 14
Fatigue Strength, MPa 90
550 to 890
Poisson's Ratio 0.34
0.28
Shear Modulus, GPa 40
75
Tensile Strength: Ultimate (UTS), MPa 320
1260 to 1930
Tensile Strength: Yield (Proof), MPa 160
1120 to 1810

Thermal Properties

Latent Heat of Fusion, J/g 190
280
Maximum Temperature: Mechanical, °C 170
780
Melting Completion (Liquidus), °C 1000
1450
Melting Onset (Solidus), °C 850
1410
Specific Heat Capacity, J/kg-K 370
470
Thermal Expansion, µm/m-K 18
11

Otherwise Unclassified Properties

Base Metal Price, % relative 35
15
Density, g/cm3 8.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
3.6
Embodied Energy, MJ/kg 59
51
Embodied Water, L/kg 390
120

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 54
43 to 210
Stiffness to Weight: Axial, points 6.9
14
Stiffness to Weight: Bending, points 18
25
Strength to Weight: Axial, points 10
44 to 68
Strength to Weight: Bending, points 12
33 to 44
Thermal Shock Resistance, points 12
44 to 67

Alloy Composition

Aluminum (Al), % 0 to 0.0050
0
Antimony (Sb), % 0 to 0.2
0
Carbon (C), % 0
0 to 0.020
Chromium (Cr), % 0
11 to 12.5
Copper (Cu), % 86 to 89
0
Iron (Fe), % 0 to 0.2
72.6 to 76.1
Lead (Pb), % 0 to 0.3
0
Manganese (Mn), % 0
0 to 0.25
Molybdenum (Mo), % 0
0.75 to 1.3
Nickel (Ni), % 0 to 1.0
10.7 to 11.3
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 1.5
0 to 0.015
Silicon (Si), % 0 to 0.0050
0 to 0.25
Sulfur (S), % 0 to 0.050
0 to 0.010
Tin (Sn), % 9.0 to 11
0
Titanium (Ti), % 0
1.5 to 1.8
Zinc (Zn), % 1.0 to 3.0
0
Residuals, % 0 to 0.3
0