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N08031 Stainless Steel vs. S17700 Stainless Steel

Both N08031 stainless steel and S17700 stainless steel are iron alloys. They have 58% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is N08031 stainless steel and the bottom bar is S17700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 45
1.0 to 23
Fatigue Strength, MPa 290
290 to 560
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 81
76
Shear Strength, MPa 510
740 to 940
Tensile Strength: Ultimate (UTS), MPa 730
1180 to 1650
Tensile Strength: Yield (Proof), MPa 310
430 to 1210

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
890
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
15
Thermal Expansion, µm/m-K 18
11

Otherwise Unclassified Properties

Base Metal Price, % relative 39
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 7.1
2.8
Embodied Energy, MJ/kg 96
40
Embodied Water, L/kg 240
150

Common Calculations

PREN (Pitting Resistance) 52
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
15 to 210
Resilience: Unit (Modulus of Resilience), kJ/m3 230
460 to 3750
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 25
42 to 59
Strength to Weight: Bending, points 22
32 to 40
Thermal Diffusivity, mm2/s 3.1
4.1
Thermal Shock Resistance, points 14
39 to 54

Alloy Composition

Aluminum (Al), % 0
0.75 to 1.5
Carbon (C), % 0 to 0.015
0 to 0.090
Chromium (Cr), % 26 to 28
16 to 18
Copper (Cu), % 1.0 to 1.4
0
Iron (Fe), % 29 to 36.9
70.5 to 76.8
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0
Nickel (Ni), % 30 to 32
6.5 to 7.8
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