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S17400 Stainless Steel vs. Grade 200 Maraging Steel

Both S17400 stainless steel and grade 200 maraging steel are iron alloys. They have 74% of their average alloy composition in common. There are 26 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is S17400 stainless steel and the bottom bar is grade 200 maraging steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 11 to 21
9.1 to 18
Poisson's Ratio 0.28
0.3
Rockwell C Hardness 27 to 43
29 to 45
Shear Modulus, GPa 75
74
Shear Strength, MPa 570 to 830
600 to 890
Tensile Strength: Ultimate (UTS), MPa 910 to 1390
970 to 1500
Tensile Strength: Yield (Proof), MPa 580 to 1250
690 to 1490

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 14
31
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.7
4.5
Embodied Energy, MJ/kg 39
59
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 16
11
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 160
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 880 to 4060
1240 to 5740
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 32 to 49
33 to 51
Strength to Weight: Bending, points 27 to 35
27 to 35
Thermal Shock Resistance, points 30 to 46
29 to 45

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 0.070
0 to 0.030
Chromium (Cr), % 15 to 17
0
Cobalt (Co), % 0
8.0 to 9.0
Copper (Cu), % 3.0 to 5.0
0
Iron (Fe), % 70.4 to 78.9
67.8 to 71.8
Manganese (Mn), % 0 to 1.0
0 to 0.1
Molybdenum (Mo), % 0
3.0 to 3.5
Nickel (Ni), % 3.0 to 5.0
17 to 19
Niobium (Nb), % 0.15 to 0.45
0
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.1
Sulfur (S), % 0 to 0.030
0 to 0.010
Titanium (Ti), % 0
0.15 to 0.25
Zirconium (Zr), % 0
0 to 0.020