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AISI 414 Stainless Steel vs. S17700 Stainless Steel

Both AISI 414 stainless steel and S17700 stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is AISI 414 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
1.0 to 23
Fatigue Strength, MPa 430 to 480
290 to 560
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Shear Strength, MPa 550 to 590
740 to 940
Tensile Strength: Ultimate (UTS), MPa 900 to 960
1180 to 1650
Tensile Strength: Yield (Proof), MPa 700 to 790
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
890
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
15
Thermal Expansion, µm/m-K 10
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
13
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.1
2.8
Embodied Energy, MJ/kg 29
40
Embodied Water, L/kg 100
150

Common Calculations

PREN (Pitting Resistance) 13
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 150
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 1260 to 1590
460 to 3750
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 34
42 to 59
Strength to Weight: Bending, points 27 to 28
32 to 40
Thermal Diffusivity, mm2/s 6.7
4.1
Thermal Shock Resistance, points 33 to 35
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.15
0 to 0.090
Chromium (Cr), % 11.5 to 13.5
16 to 18
Iron (Fe), % 81.8 to 87.3
70.5 to 76.8
Manganese (Mn), % 0 to 1.0
0 to 1.0
Nickel (Ni), % 1.3 to 2.5
6.5 to 7.8
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030