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Grade 350 Maraging Steel vs. ACI-ASTM CB6 Steel

Both grade 350 maraging steel and ACI-ASTM CB6 steel are iron alloys. They have 68% of their average alloy composition in common. There are 23 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 350 maraging steel and the bottom bar is ACI-ASTM CB6 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 4.1 to 18
18
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
77
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
880
Tensile Strength: Yield (Proof), MPa 830 to 2300
660

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
10

Otherwise Unclassified Properties

Base Metal Price, % relative 39
12
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 5.6
2.5
Embodied Energy, MJ/kg 74
36
Embodied Water, L/kg 160
130

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
150
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 38 to 82
32
Strength to Weight: Bending, points 29 to 49
26
Thermal Shock Resistance, points 35 to 74
31

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 0.060
Chromium (Cr), % 0
15.5 to 17.5
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
74.4 to 81
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.2
0 to 0.5
Nickel (Ni), % 18 to 19
3.5 to 5.5
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 1.3 to 1.6
0
Zirconium (Zr), % 0 to 0.020
0