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C37000 Muntz Metal vs. S21800 Stainless Steel

C37000 Muntz Metal belongs to the copper alloys classification, while S21800 stainless steel belongs to the iron alloys. There are 26 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is C37000 Muntz Metal and the bottom bar is S21800 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 100
190
Elongation at Break, % 40
40
Poisson's Ratio 0.31
0.28
Rockwell B Hardness 45
88
Shear Modulus, GPa 39
75
Shear Strength, MPa 270
510
Tensile Strength: Ultimate (UTS), MPa 400
740
Tensile Strength: Yield (Proof), MPa 160
390

Thermal Properties

Latent Heat of Fusion, J/g 170
340
Maximum Temperature: Mechanical, °C 120
900
Melting Completion (Liquidus), °C 900
1360
Melting Onset (Solidus), °C 890
1310
Specific Heat Capacity, J/kg-K 380
500
Thermal Expansion, µm/m-K 21
16

Otherwise Unclassified Properties

Base Metal Price, % relative 23
15
Density, g/cm3 8.1
7.5
Embodied Carbon, kg CO2/kg material 2.7
3.1
Embodied Energy, MJ/kg 45
45
Embodied Water, L/kg 320
150

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
250
Resilience: Unit (Modulus of Resilience), kJ/m3 120
390
Stiffness to Weight: Axial, points 7.2
14
Stiffness to Weight: Bending, points 19
26
Strength to Weight: Axial, points 14
27
Strength to Weight: Bending, points 15
24
Thermal Shock Resistance, points 13
17

Alloy Composition

Carbon (C), % 0
0 to 0.1
Chromium (Cr), % 0
16 to 18
Copper (Cu), % 59 to 62
0
Iron (Fe), % 0 to 0.15
59.1 to 65.4
Lead (Pb), % 0.8 to 1.5
0
Manganese (Mn), % 0
7.0 to 9.0
Nickel (Ni), % 0
8.0 to 9.0
Nitrogen (N), % 0
0.080 to 0.18
Phosphorus (P), % 0
0 to 0.060
Silicon (Si), % 0
3.5 to 4.5
Sulfur (S), % 0
0 to 0.030
Zinc (Zn), % 36 to 40.2
0
Residuals, % 0 to 0.4
0