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S38815 Stainless Steel vs. Type 1 Magnetic Alloy

Both S38815 stainless steel and Type 1 magnetic alloy are iron alloys. They have 70% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is S38815 stainless steel and the bottom bar is Type 1 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 34
4.0 to 38
Poisson's Ratio 0.29
0.3
Shear Modulus, GPa 74
72
Tensile Strength: Ultimate (UTS), MPa 610
500 to 830
Tensile Strength: Yield (Proof), MPa 290
220 to 790

Thermal Properties

Latent Heat of Fusion, J/g 370
270
Melting Completion (Liquidus), °C 1360
1420
Melting Onset (Solidus), °C 1310
1370
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 15
12

Otherwise Unclassified Properties

Base Metal Price, % relative 19
31
Density, g/cm3 7.5
8.3
Embodied Carbon, kg CO2/kg material 3.8
5.6
Embodied Energy, MJ/kg 54
77
Embodied Water, L/kg 140
130

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
33 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 220
130 to 1690
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
23
Strength to Weight: Axial, points 22
17 to 28
Strength to Weight: Bending, points 21
17 to 24
Thermal Shock Resistance, points 15
16 to 26

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 13 to 15
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0.75 to 1.5
0 to 0.3
Iron (Fe), % 56.1 to 67
50.7 to 56.5
Manganese (Mn), % 0 to 2.0
0 to 0.8
Molybdenum (Mo), % 0.75 to 1.5
0 to 0.3
Nickel (Ni), % 13 to 17
43.5 to 46.5
Phosphorus (P), % 0 to 0.040
0 to 0.010
Silicon (Si), % 5.5 to 6.5
0 to 0.5
Sulfur (S), % 0 to 0.020
0 to 0.030