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Grade 200 Maraging Steel vs. ACI-ASTM CA15M Steel

Both grade 200 maraging steel and ACI-ASTM CA15M steel are iron alloys. They have 71% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is ACI-ASTM CA15M steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 9.1 to 18
20
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
690
Tensile Strength: Yield (Proof), MPa 690 to 1490
510

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Melting Completion (Liquidus), °C 1460
1450
Melting Onset (Solidus), °C 1420
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.5
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.1
Embodied Energy, MJ/kg 59
29
Embodied Water, L/kg 140
100

Common Calculations

PREN (Pitting Resistance) 11
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
130
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
670
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 51
25
Strength to Weight: Bending, points 27 to 35
22
Thermal Shock Resistance, points 29 to 45
25

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 to 0.15
Chromium (Cr), % 0
11.5 to 14
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
82.1 to 88.4
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 3.0 to 3.5
0.15 to 1.0
Nickel (Ni), % 17 to 19
0 to 1.0
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 0.65
Sulfur (S), % 0 to 0.010
0 to 0.040
Titanium (Ti), % 0.15 to 0.25
0
Zirconium (Zr), % 0 to 0.020
0