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S30815 Stainless Steel vs. N08330 Stainless Steel

Both S30815 stainless steel and N08330 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 74% of their average alloy composition in common. There are 34 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is S30815 stainless steel and the bottom bar is N08330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
34
Fatigue Strength, MPa 320
190
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 82
80
Shear Modulus, GPa 77
76
Shear Strength, MPa 480
360
Tensile Strength: Ultimate (UTS), MPa 680
550
Tensile Strength: Yield (Proof), MPa 350
230

Thermal Properties

Latent Heat of Fusion, J/g 310
310
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 1020
1050
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1360
1340
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
32
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.3
5.4
Embodied Energy, MJ/kg 47
77
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 24
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
150
Resilience: Unit (Modulus of Resilience), kJ/m3 310
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
19
Strength to Weight: Bending, points 22
18
Thermal Diffusivity, mm2/s 4.0
3.1
Thermal Shock Resistance, points 15
13

Alloy Composition

Carbon (C), % 0.050 to 0.1
0 to 0.080
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
17 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 62.8 to 68.4
38.3 to 48.3
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0 to 0.8
0 to 2.0
Nickel (Ni), % 10 to 12
34 to 37
Nitrogen (N), % 0.14 to 0.2
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 1.4 to 2.0
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025