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ASTM A182 Grade F911 vs. Grade 250 Maraging Steel

Both ASTM A182 grade F911 and grade 250 maraging steel 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 ASTM A182 grade F911 and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

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

Thermal Properties

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

Otherwise Unclassified Properties

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

Common Calculations

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

Alloy Composition

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