MakeItFrom.com
Menu (ESC)

S38815 Stainless Steel vs. N08031 Stainless Steel

Both S38815 stainless steel and N08031 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common. There are 28 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 S38815 stainless steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 34
45
Fatigue Strength, MPa 230
290
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
81
Shear Strength, MPa 410
510
Tensile Strength: Ultimate (UTS), MPa 610
730
Tensile Strength: Yield (Proof), MPa 290
310

Thermal Properties

Latent Heat of Fusion, J/g 370
310
Maximum Temperature: Corrosion, °C 400
460
Maximum Temperature: Mechanical, °C 860
1100
Melting Completion (Liquidus), °C 1360
1440
Melting Onset (Solidus), °C 1310
1390
Specific Heat Capacity, J/kg-K 500
460
Thermal Expansion, µm/m-K 15
18

Otherwise Unclassified Properties

Base Metal Price, % relative 19
39
Density, g/cm3 7.5
8.1
Embodied Carbon, kg CO2/kg material 3.8
7.1
Embodied Energy, MJ/kg 54
96
Embodied Water, L/kg 140
240

Common Calculations

PREN (Pitting Resistance) 18
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 170
270
Resilience: Unit (Modulus of Resilience), kJ/m3 220
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 22
25
Strength to Weight: Bending, points 21
22
Thermal Shock Resistance, points 15
14

Alloy Composition

Aluminum (Al), % 0 to 0.3
0
Carbon (C), % 0 to 0.030
0 to 0.015
Chromium (Cr), % 13 to 15
26 to 28
Copper (Cu), % 0.75 to 1.5
1.0 to 1.4
Iron (Fe), % 56.1 to 67
29 to 36.9
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0.75 to 1.5
6.0 to 7.0
Nickel (Ni), % 13 to 17
30 to 32
Nitrogen (N), % 0
0.15 to 0.25
Phosphorus (P), % 0 to 0.040
0 to 0.020
Silicon (Si), % 5.5 to 6.5
0 to 0.3
Sulfur (S), % 0 to 0.020
0 to 0.010