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Grade 200 Maraging Steel vs. ASTM B522 Class I

Grade 200 maraging steel belongs to the iron alloys classification, while ASTM B522 class I belongs to the otherwise unclassified metals. There are 20 material properties with values for both materials. Properties with values for just one material (10, 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 B522 class I.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
96
Elongation at Break, % 9.1 to 18
1.1 to 29
Poisson's Ratio 0.3
0.41
Shear Modulus, GPa 74
34
Shear Strength, MPa 600 to 890
180 to 280
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
280 to 490
Tensile Strength: Yield (Proof), MPa 690 to 1490
120 to 210

Thermal Properties

Latent Heat of Fusion, J/g 260
77
Melting Completion (Liquidus), °C 1460
1030
Melting Onset (Solidus), °C 1420
1030
Specific Heat Capacity, J/kg-K 460
160
Thermal Expansion, µm/m-K 12
15

Otherwise Unclassified Properties

Density, g/cm3 8.2
17

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
4.5 to 64
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
75 to 230
Stiffness to Weight: Axial, points 13
3.1
Stiffness to Weight: Bending, points 23
8.9
Strength to Weight: Axial, points 33 to 51
4.4 to 7.8
Strength to Weight: Bending, points 27 to 35
5.5 to 8.0
Thermal Shock Resistance, points 29 to 45
13 to 24

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
Gold (Au), % 0
68 to 70
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
Platinum (Pt), % 0
5.0 to 7.0
Silicon (Si), % 0 to 0.1
0
Silver (Ag), % 0
23.5 to 26.5
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 0.35

Comparable Variants