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S31727 Stainless Steel vs. AISI 414 Stainless Steel

Both S31727 stainless steel and AISI 414 stainless steel are iron alloys. They have 73% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S31727 stainless steel and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
17
Fatigue Strength, MPa 240
430 to 480
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
50
Shear Modulus, GPa 78
76
Shear Strength, MPa 430
550 to 590
Tensile Strength: Ultimate (UTS), MPa 630
900 to 960
Tensile Strength: Yield (Proof), MPa 270
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1010
750
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
10

Otherwise Unclassified Properties

Base Metal Price, % relative 24
8.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 4.7
2.1
Embodied Energy, MJ/kg 64
29
Embodied Water, L/kg 180
100

Common Calculations

PREN (Pitting Resistance) 35
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 190
1260 to 1590
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
32 to 34
Strength to Weight: Bending, points 20
27 to 28
Thermal Shock Resistance, points 14
33 to 35

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.15
Chromium (Cr), % 17.5 to 19
11.5 to 13.5
Copper (Cu), % 2.8 to 4.0
0
Iron (Fe), % 53.7 to 61.3
81.8 to 87.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 3.8 to 4.5
0
Nickel (Ni), % 14.5 to 16.5
1.3 to 2.5
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030