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Grade 200 Maraging Steel vs. ASTM B596 Au-Cu

Grade 200 maraging steel belongs to the iron alloys classification, while ASTM B596 Au-Cu belongs to the otherwise unclassified metals. There are 17 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown. Please note that the two materials have significantly dissimilar densities. This means that additional care is required when interpreting the data, because some material properties are based on units of mass, while others are based on units of area or volume.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is ASTM B596 Au-Cu.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
100
Elongation at Break, % 9.1 to 18
4.3 to 17
Poisson's Ratio 0.3
0.41
Shear Modulus, GPa 74
36
Shear Strength, MPa 600 to 890
280 to 360
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
450 to 620

Thermal Properties

Latent Heat of Fusion, J/g 260
77
Melting Completion (Liquidus), °C 1460
1060
Melting Onset (Solidus), °C 1420
930
Specific Heat Capacity, J/kg-K 460
150
Thermal Expansion, µm/m-K 12
14

Otherwise Unclassified Properties

Density, g/cm3 8.2
18

Common Calculations

Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 23
8.5
Strength to Weight: Axial, points 33 to 51
6.8 to 9.4
Strength to Weight: Bending, points 27 to 35
7.1 to 8.8
Thermal Shock Resistance, points 29 to 45
22 to 30

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0
Cobalt (Co), % 8.0 to 9.0
0
Copper (Cu), % 0
9.0 to 11
Gold (Au), % 0
89 to 91
Iron (Fe), % 67.8 to 71.8
0
Manganese (Mn), % 0 to 0.1
0
Molybdenum (Mo), % 3.0 to 3.5
0
Nickel (Ni), % 17 to 19
0
Phosphorus (P), % 0 to 0.010
0
Silicon (Si), % 0 to 0.1
0
Sulfur (S), % 0 to 0.010
0
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0
Residuals, % 0
0 to 0.4

Comparable Variants