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S30415 Stainless Steel vs. N08031 Stainless Steel

Both S30415 stainless steel and N08031 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 62% 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 S30415 stainless steel and the bottom bar is N08031 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 45
45
Fatigue Strength, MPa 300
290
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
81
Shear Strength, MPa 470
510
Tensile Strength: Ultimate (UTS), MPa 670
730
Tensile Strength: Yield (Proof), MPa 330
310

Thermal Properties

Latent Heat of Fusion, J/g 300
310
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 21
12
Thermal Expansion, µm/m-K 17
18

Otherwise Unclassified Properties

Base Metal Price, % relative 15
39
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.1
7.1
Embodied Energy, MJ/kg 43
96
Embodied Water, L/kg 140
240

Common Calculations

PREN (Pitting Resistance) 21
52
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250
270
Resilience: Unit (Modulus of Resilience), kJ/m3 280
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
22
Thermal Diffusivity, mm2/s 5.6
3.1
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0.040 to 0.060
0 to 0.015
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 18 to 19
26 to 28
Copper (Cu), % 0
1.0 to 1.4
Iron (Fe), % 67.8 to 71.8
29 to 36.9
Manganese (Mn), % 0 to 0.8
0 to 2.0
Molybdenum (Mo), % 0
6.0 to 7.0
Nickel (Ni), % 9.0 to 10
30 to 32
Nitrogen (N), % 0.12 to 0.18
0.15 to 0.25
Phosphorus (P), % 0 to 0.045
0 to 0.020
Silicon (Si), % 1.0 to 2.0
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.010