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EN 1.4507 Stainless Steel vs. Grade 250 Maraging Steel

Both EN 1.4507 stainless steel and grade 250 maraging steel are iron alloys. They have 72% 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 EN 1.4507 stainless steel and the bottom bar is grade 250 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 25
7.3 to 17
Poisson's Ratio 0.27
0.3
Shear Modulus, GPa 80
75
Shear Strength, MPa 530
600 to 1060
Tensile Strength: Ultimate (UTS), MPa 840
970 to 1800
Tensile Strength: Yield (Proof), MPa 590
660 to 1740

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Melting Completion (Liquidus), °C 1440
1480
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 470
450
Thermal Expansion, µm/m-K 13
12

Otherwise Unclassified Properties

Base Metal Price, % relative 21
32
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 4.0
4.9
Embodied Energy, MJ/kg 55
65
Embodied Water, L/kg 180
140

Common Calculations

PREN (Pitting Resistance) 41
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
130 to 150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 30
33 to 61
Strength to Weight: Bending, points 25
26 to 40
Thermal Shock Resistance, points 23
29 to 54

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 to 0.030
0 to 0.030
Chromium (Cr), % 24 to 26
0
Cobalt (Co), % 0
7.0 to 8.5
Copper (Cu), % 1.0 to 2.5
0
Iron (Fe), % 56.4 to 65.8
66.3 to 71.1
Manganese (Mn), % 0 to 2.0
0 to 0.1
Molybdenum (Mo), % 3.0 to 4.0
4.6 to 5.2
Nickel (Ni), % 6.0 to 8.0
17 to 19
Nitrogen (N), % 0.2 to 0.3
0
Phosphorus (P), % 0 to 0.035
0 to 0.010
Silicon (Si), % 0 to 0.7
0 to 0.1
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0
0.3 to 0.5
Zirconium (Zr), % 0
0 to 0.020