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Grade 200 Maraging Steel vs. EN 1.7378 Steel

Both grade 200 maraging steel and EN 1.7378 steel are iron alloys. They have 71% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is grade 200 maraging steel and the bottom bar is EN 1.7378 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 9.1 to 18
17
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 74
74
Shear Strength, MPa 600 to 890
430
Tensile Strength: Ultimate (UTS), MPa 970 to 1500
700
Tensile Strength: Yield (Proof), MPa 690 to 1490
490

Thermal Properties

Latent Heat of Fusion, J/g 260
260
Melting Completion (Liquidus), °C 1460
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 460
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 31
4.0
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 4.5
2.3
Embodied Energy, MJ/kg 59
33
Embodied Water, L/kg 140
61

Common Calculations

PREN (Pitting Resistance) 11
5.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
110
Resilience: Unit (Modulus of Resilience), kJ/m3 1240 to 5740
630
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
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
20

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0 to 0.020
Boron (B), % 0 to 0.0030
0.0015 to 0.0070
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0.050 to 0.1
Chromium (Cr), % 0
2.2 to 2.6
Cobalt (Co), % 8.0 to 9.0
0
Iron (Fe), % 67.8 to 71.8
94.6 to 96.1
Manganese (Mn), % 0 to 0.1
0.3 to 0.7
Molybdenum (Mo), % 3.0 to 3.5
0.9 to 1.1
Nickel (Ni), % 17 to 19
0
Nitrogen (N), % 0
0 to 0.010
Phosphorus (P), % 0 to 0.010
0 to 0.020
Silicon (Si), % 0 to 0.1
0.15 to 0.45
Sulfur (S), % 0 to 0.010
0 to 0.010
Titanium (Ti), % 0.15 to 0.25
0.050 to 0.1
Vanadium (V), % 0
0.2 to 0.3
Zirconium (Zr), % 0 to 0.020
0