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Grade 250 Maraging Steel vs. ASTM A182 Grade F911

Both grade 250 maraging steel and ASTM A182 grade F911 are iron alloys. They have 70% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is grade 250 maraging steel and the bottom bar is ASTM A182 grade F911.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 7.3 to 17
20
Poisson's Ratio 0.3
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 600 to 1060
430
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
690
Tensile Strength: Yield (Proof), MPa 660 to 1740
500

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Melting Completion (Liquidus), °C 1480
1480
Melting Onset (Solidus), °C 1430
1440
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 32
9.5
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 4.9
2.8
Embodied Energy, MJ/kg 65
40
Embodied Water, L/kg 140
90

Common Calculations

PREN (Pitting Resistance) 16
15
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
130
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 33 to 61
24
Strength to Weight: Bending, points 26 to 40
22
Thermal Shock Resistance, points 29 to 54
19

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0 to 0.020
Boron (B), % 0 to 0.0030
0.00030 to 0.0060
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.090 to 0.13
Chromium (Cr), % 0
8.5 to 9.5
Cobalt (Co), % 7.0 to 8.5
0
Iron (Fe), % 66.3 to 71.1
86.2 to 88.9
Manganese (Mn), % 0 to 0.1
0.3 to 0.6
Molybdenum (Mo), % 4.6 to 5.2
0.9 to 1.1
Nickel (Ni), % 17 to 19
0 to 0.4
Niobium (Nb), % 0
0.060 to 0.1
Nitrogen (N), % 0
0.040 to 0.090
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0.1 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.3 to 0.5
0 to 0.010
Tungsten (W), % 0
0.9 to 1.1
Vanadium (V), % 0
0.18 to 0.25
Zirconium (Zr), % 0 to 0.020
0 to 0.010