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AISI 334 Stainless Steel vs. Type 4 Magnetic Alloy

AISI 334 stainless steel belongs to the iron alloys classification, while Type 4 magnetic alloy belongs to the nickel alloys. They have a modest 34% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is AISI 334 stainless steel and the bottom bar is Type 4 magnetic alloy.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
2.0 to 40
Fatigue Strength, MPa 150
220 to 400
Poisson's Ratio 0.28
0.31
Shear Modulus, GPa 77
73
Shear Strength, MPa 360
420 to 630
Tensile Strength: Ultimate (UTS), MPa 540
620 to 1100
Tensile Strength: Yield (Proof), MPa 190
270 to 1040

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Mechanical, °C 1000
900
Melting Completion (Liquidus), °C 1410
1420
Melting Onset (Solidus), °C 1370
1370
Specific Heat Capacity, J/kg-K 480
440
Thermal Expansion, µm/m-K 16
11

Otherwise Unclassified Properties

Base Metal Price, % relative 22
60
Density, g/cm3 7.9
8.8
Embodied Carbon, kg CO2/kg material 4.1
10
Embodied Energy, MJ/kg 59
140
Embodied Water, L/kg 170
210

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
22 to 200
Resilience: Unit (Modulus of Resilience), kJ/m3 96
190 to 2840
Stiffness to Weight: Axial, points 14
12
Stiffness to Weight: Bending, points 25
22
Strength to Weight: Axial, points 19
19 to 35
Strength to Weight: Bending, points 19
18 to 27
Thermal Shock Resistance, points 12
21 to 37

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0
Carbon (C), % 0 to 0.080
0 to 0.050
Chromium (Cr), % 18 to 20
0 to 0.3
Cobalt (Co), % 0
0 to 0.5
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 55.7 to 62.7
9.5 to 17.5
Manganese (Mn), % 0 to 1.0
0 to 0.8
Molybdenum (Mo), % 0
3.5 to 6.0
Nickel (Ni), % 19 to 21
79 to 82
Phosphorus (P), % 0 to 0.030
0 to 0.010
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.020
Titanium (Ti), % 0.15 to 0.6
0