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Grade 350 Maraging Steel vs. EN 1.6957 Steel

Both grade 350 maraging steel and EN 1.6957 steel are iron alloys. They have 67% of their average alloy composition in common. There are 24 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 EN 1.6957 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 4.1 to 18
18
Poisson's Ratio 0.3
0.29
Shear Modulus, GPa 75
73
Shear Strength, MPa 710 to 1400
570
Tensile Strength: Ultimate (UTS), MPa 1140 to 2420
930
Tensile Strength: Yield (Proof), MPa 830 to 2300
780

Thermal Properties

Latent Heat of Fusion, J/g 270
250
Melting Completion (Liquidus), °C 1470
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 450
470
Thermal Expansion, µm/m-K 12
13

Otherwise Unclassified Properties

Base Metal Price, % relative 39
5.0
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 5.6
2.1
Embodied Energy, MJ/kg 74
29
Embodied Water, L/kg 160
60

Common Calculations

PREN (Pitting Resistance) 16
2.7
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 190
160
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 23
24
Strength to Weight: Axial, points 38 to 82
33
Strength to Weight: Bending, points 29 to 49
27
Thermal Shock Resistance, points 35 to 74
27

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
0.22 to 0.32
Chromium (Cr), % 0
1.2 to 1.8
Cobalt (Co), % 11.5 to 12.5
0
Iron (Fe), % 61.2 to 64.6
92.7 to 94.7
Manganese (Mn), % 0 to 0.1
0.15 to 0.4
Molybdenum (Mo), % 4.6 to 5.2
0.25 to 0.45
Nickel (Ni), % 18 to 19
3.4 to 4.0
Phosphorus (P), % 0 to 0.010
0 to 0.010
Silicon (Si), % 0 to 0.1
0 to 0.15
Sulfur (S), % 0 to 0.010
0 to 0.0070
Titanium (Ti), % 1.3 to 1.6
0
Vanadium (V), % 0
0.050 to 0.15
Zirconium (Zr), % 0 to 0.020
0