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Grade 250 Maraging Steel vs. S17700 Stainless Steel

Both grade 250 maraging steel and S17700 stainless steel are iron alloys. They have 76% 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 250 maraging steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 7.3 to 17
1.0 to 23
Poisson's Ratio 0.3
0.28
Rockwell C Hardness 30 to 53
41 to 46
Shear Modulus, GPa 75
76
Shear Strength, MPa 600 to 1060
740 to 940
Tensile Strength: Ultimate (UTS), MPa 970 to 1800
1180 to 1650
Tensile Strength: Yield (Proof), MPa 660 to 1740
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 270
290
Melting Completion (Liquidus), °C 1480
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 450
480
Thermal Expansion, µm/m-K 12
11

Otherwise Unclassified Properties

Base Metal Price, % relative 32
13
Density, g/cm3 8.2
7.7
Embodied Carbon, kg CO2/kg material 4.9
2.8
Embodied Energy, MJ/kg 65
40
Embodied Water, L/kg 140
150

Common Calculations

PREN (Pitting Resistance) 16
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130 to 150
15 to 210
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 23
25
Strength to Weight: Axial, points 33 to 61
42 to 59
Strength to Weight: Bending, points 26 to 40
32 to 40
Thermal Shock Resistance, points 29 to 54
39 to 54

Alloy Composition

Aluminum (Al), % 0.050 to 0.15
0.75 to 1.5
Boron (B), % 0 to 0.0030
0
Calcium (Ca), % 0 to 0.050
0
Carbon (C), % 0 to 0.030
0 to 0.090
Chromium (Cr), % 0
16 to 18
Cobalt (Co), % 7.0 to 8.5
0
Iron (Fe), % 66.3 to 71.1
70.5 to 76.8
Manganese (Mn), % 0 to 0.1
0 to 1.0
Molybdenum (Mo), % 4.6 to 5.2
0
Nickel (Ni), % 17 to 19
6.5 to 7.8
Phosphorus (P), % 0 to 0.010
0 to 0.040
Silicon (Si), % 0 to 0.1
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Titanium (Ti), % 0.3 to 0.5
0
Zirconium (Zr), % 0 to 0.020
0

Comparable Variants