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S21904 Stainless Steel vs. C37000 Muntz Metal

S21904 stainless steel belongs to the iron alloys classification, while C37000 Muntz Metal belongs to the copper alloys. There are 29 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S21904 stainless steel and the bottom bar is C37000 Muntz Metal.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
100
Elongation at Break, % 17 to 51
40
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 78
39
Shear Strength, MPa 510 to 620
270
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
400
Tensile Strength: Yield (Proof), MPa 390 to 910
160

Thermal Properties

Latent Heat of Fusion, J/g 290
170
Maximum Temperature: Mechanical, °C 980
120
Melting Completion (Liquidus), °C 1400
900
Melting Onset (Solidus), °C 1350
890
Specific Heat Capacity, J/kg-K 480
380
Thermal Conductivity, W/m-K 14
120
Thermal Expansion, µm/m-K 17
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
27
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
30

Otherwise Unclassified Properties

Base Metal Price, % relative 15
23
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.0
2.7
Embodied Energy, MJ/kg 43
45
Embodied Water, L/kg 160
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
130
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
120
Stiffness to Weight: Axial, points 14
7.2
Stiffness to Weight: Bending, points 25
19
Strength to Weight: Axial, points 25 to 36
14
Strength to Weight: Bending, points 23 to 29
15
Thermal Diffusivity, mm2/s 3.8
39
Thermal Shock Resistance, points 15 to 21
13

Alloy Composition

Carbon (C), % 0 to 0.040
0
Chromium (Cr), % 19 to 21.5
0
Copper (Cu), % 0
59 to 62
Iron (Fe), % 59.5 to 67.4
0 to 0.15
Lead (Pb), % 0
0.8 to 1.5
Manganese (Mn), % 8.0 to 10
0
Nickel (Ni), % 5.5 to 7.5
0
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.030
0
Zinc (Zn), % 0
36 to 40.2
Residuals, % 0
0 to 0.4