MakeItFrom.com
Menu (ESC)

S31727 Stainless Steel vs. N08020 Stainless Steel

Both S31727 stainless steel and N08020 stainless steel are iron alloys. They have 78% of their average alloy composition in common. There are 28 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 S31727 stainless steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
15 to 34
Fatigue Strength, MPa 240
210 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 430
380 to 410
Tensile Strength: Ultimate (UTS), MPa 630
610 to 620
Tensile Strength: Yield (Proof), MPa 270
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
490
Maximum Temperature: Mechanical, °C 1010
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1390
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 16
15

Otherwise Unclassified Properties

Base Metal Price, % relative 24
38
Density, g/cm3 8.0
8.2
Embodied Carbon, kg CO2/kg material 4.7
6.6
Embodied Energy, MJ/kg 64
92
Embodied Water, L/kg 180
220

Common Calculations

PREN (Pitting Resistance) 35
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 190
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 22
21
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 14
15

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.070
Chromium (Cr), % 17.5 to 19
19 to 21
Copper (Cu), % 2.8 to 4.0
3.0 to 4.0
Iron (Fe), % 53.7 to 61.3
29.9 to 44
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 3.8 to 4.5
2.0 to 3.0
Nickel (Ni), % 14.5 to 16.5
32 to 38
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0.15 to 0.21
0
Phosphorus (P), % 0 to 0.030
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035