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S17700 Stainless Steel vs. K93603 Alloy

Both S17700 stainless steel and K93603 alloy are iron alloys. They have 71% of their average alloy composition in common. There are 19 material properties with values for both materials. Properties with values for just one material (15, in this case) are not shown.

For each property being compared, the top bar is S17700 stainless steel and the bottom bar is K93603 alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.3
Shear Modulus, GPa 76
72
Tensile Strength: Ultimate (UTS), MPa 1180 to 1650
490 to 810

Thermal Properties

Latent Heat of Fusion, J/g 290
270
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 11
12

Otherwise Unclassified Properties

Base Metal Price, % relative 13
25
Density, g/cm3 7.7
8.2
Embodied Carbon, kg CO2/kg material 2.8
4.8
Embodied Energy, MJ/kg 40
66
Embodied Water, L/kg 150
120

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 42 to 59
17 to 27
Strength to Weight: Bending, points 32 to 40
17 to 24
Thermal Shock Resistance, points 39 to 54
15 to 25

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0 to 0.1
Carbon (C), % 0 to 0.090
0 to 0.050
Chromium (Cr), % 16 to 18
0 to 0.25
Cobalt (Co), % 0
0 to 0.5
Iron (Fe), % 70.5 to 76.8
61.8 to 64
Magnesium (Mg), % 0
0 to 0.1
Manganese (Mn), % 0 to 1.0
0 to 0.6
Nickel (Ni), % 6.5 to 7.8
36
Phosphorus (P), % 0 to 0.040
0 to 0.015
Silicon (Si), % 0 to 1.0
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.1
Zirconium (Zr), % 0
0 to 0.1

Comparable Variants