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EN 1.6579 Steel vs. Grade 300 Maraging Steel

Both EN 1.6579 steel and grade 300 maraging steel are iron alloys. They have 69% of their average alloy composition in common. There are 23 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 EN 1.6579 steel and the bottom bar is grade 300 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 14
6.5 to 18
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 73
75
Tensile Strength: Ultimate (UTS), MPa 850 to 980
1030 to 2030
Tensile Strength: Yield (Proof), MPa 600 to 910
760 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Melting Completion (Liquidus), °C 1460
1480
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 3.7
34
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.7
5.1
Embodied Energy, MJ/kg 22
68
Embodied Water, L/kg 56
150

Common Calculations

PREN (Pitting Resistance) 2.4
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100 to 120
130 to 170
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
23
Strength to Weight: Axial, points 30 to 35
35 to 68
Strength to Weight: Bending, points 25 to 28
28 to 43
Thermal Shock Resistance, points 25 to 29
31 to 62

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), % 0.32 to 0.38
0 to 0.030
Chromium (Cr), % 1.4 to 1.7
0
Cobalt (Co), % 0
8.5 to 9.5
Iron (Fe), % 94.2 to 96.1
65 to 68.4
Manganese (Mn), % 0.6 to 1.0
0 to 0.1
Molybdenum (Mo), % 0.15 to 0.35
4.6 to 5.2
Nickel (Ni), % 1.4 to 1.7
18 to 19
Phosphorus (P), % 0 to 0.025
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
0.5 to 0.8
Zirconium (Zr), % 0
0 to 0.020

Comparable Variants