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SAE-AISI D4 Steel vs. Grade 200 Maraging Steel

Both SAE-AISI D4 steel and grade 200 maraging 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 (8, in this case) are not shown.

For each property being compared, the top bar is SAE-AISI D4 steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 8.4 to 15
9.1 to 18
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 74
74
Shear Strength, MPa 460 to 1210
600 to 890
Tensile Strength: Ultimate (UTS), MPa 760 to 2060
970 to 1500
Tensile Strength: Yield (Proof), MPa 470 to 1540
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 270
260
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 12
12

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
31
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 3.3
4.5
Embodied Energy, MJ/kg 49
59
Embodied Water, L/kg 100
140

Common Calculations

PREN (Pitting Resistance) 15
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 160
140 to 160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 27 to 75
33 to 51
Strength to Weight: Bending, points 24 to 47
27 to 35
Thermal Shock Resistance, points 23 to 63
29 to 45

Alloy Composition

Aluminum (Al), % 0
0.050 to 0.15
Boron (B), % 0
0 to 0.0030
Calcium (Ca), % 0
0 to 0.050
Carbon (C), % 2.1 to 2.4
0 to 0.030
Chromium (Cr), % 11 to 13
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 80.6 to 86.3
67.8 to 71.8
Manganese (Mn), % 0 to 0.6
0 to 0.1
Molybdenum (Mo), % 0.7 to 1.2
3.0 to 3.5
Nickel (Ni), % 0 to 0.3
17 to 19
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 0.6
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Vanadium (V), % 0 to 1.0
0
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants