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ASTM A372 Grade M Steel vs. C77400 Nickel Silver

ASTM A372 grade M steel belongs to the iron alloys classification, while C77400 nickel silver belongs to the copper alloys. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is ASTM A372 grade M steel and the bottom bar is C77400 nickel silver.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
110
Elongation at Break, % 18 to 21
25
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
42
Shear Strength, MPa 510 to 570
360
Tensile Strength: Ultimate (UTS), MPa 810 to 910
570
Tensile Strength: Yield (Proof), MPa 660 to 770
250

Thermal Properties

Latent Heat of Fusion, J/g 250
170
Maximum Temperature: Mechanical, °C 450
130
Melting Completion (Liquidus), °C 1460
810
Melting Onset (Solidus), °C 1420
770
Specific Heat Capacity, J/kg-K 470
390
Thermal Expansion, µm/m-K 13
21

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.0
27
Electrical Conductivity: Equal Weight (Specific), % IACS 9.1
31

Otherwise Unclassified Properties

Base Metal Price, % relative 5.0
25
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 2.0
3.5
Embodied Energy, MJ/kg 27
57
Embodied Water, L/kg 61
320

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 1140 to 1580
290
Stiffness to Weight: Axial, points 13
7.7
Stiffness to Weight: Bending, points 24
20
Strength to Weight: Axial, points 29 to 32
20
Strength to Weight: Bending, points 24 to 27
19
Thermal Shock Resistance, points 24 to 27
18

Alloy Composition

Carbon (C), % 0 to 0.23
0
Chromium (Cr), % 1.5 to 2.0
0
Copper (Cu), % 0
43 to 47
Iron (Fe), % 92.5 to 95.1
0
Lead (Pb), % 0
0 to 0.2
Manganese (Mn), % 0.2 to 0.4
0
Molybdenum (Mo), % 0.4 to 0.6
0
Nickel (Ni), % 2.8 to 3.9
9.0 to 11
Phosphorus (P), % 0 to 0.015
0
Silicon (Si), % 0 to 0.3
0
Sulfur (S), % 0 to 0.010
0
Vanadium (V), % 0 to 0.080
0
Zinc (Zn), % 0
41.3 to 48
Residuals, % 0
0 to 0.5