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N08031 Stainless Steel vs. S17400 Stainless Steel

Both N08031 stainless steel and S17400 stainless steel are iron alloys. They have 55% of their average alloy composition in common. There are 30 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 N08031 stainless steel and the bottom bar is S17400 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 45
11 to 21
Fatigue Strength, MPa 290
380 to 670
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
75
Shear Strength, MPa 510
570 to 830
Tensile Strength: Ultimate (UTS), MPa 730
910 to 1390
Tensile Strength: Yield (Proof), MPa 310
580 to 1250

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
450
Maximum Temperature: Mechanical, °C 1100
850
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
17
Thermal Expansion, µm/m-K 18
11

Otherwise Unclassified Properties

Base Metal Price, % relative 39
14
Density, g/cm3 8.1
7.8
Embodied Carbon, kg CO2/kg material 7.1
2.7
Embodied Energy, MJ/kg 96
39
Embodied Water, L/kg 240
130

Common Calculations

PREN (Pitting Resistance) 52
16
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
140 to 160
Resilience: Unit (Modulus of Resilience), kJ/m3 230
880 to 4060
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
32 to 49
Strength to Weight: Bending, points 22
27 to 35
Thermal Diffusivity, mm2/s 3.1
4.5
Thermal Shock Resistance, points 14
30 to 46

Alloy Composition

Carbon (C), % 0 to 0.015
0 to 0.070
Chromium (Cr), % 26 to 28
15 to 17
Copper (Cu), % 1.0 to 1.4
3.0 to 5.0
Iron (Fe), % 29 to 36.9
70.4 to 78.9
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
3.0 to 5.0
Niobium (Nb), % 0
0.15 to 0.45
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.020
0 to 0.040
Silicon (Si), % 0 to 0.3
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030