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N08330 Stainless Steel vs. S38100 Stainless Steel

Both N08330 stainless steel and S38100 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 81% of their average alloy composition in common.

For each property being compared, the top bar is N08330 stainless steel and the bottom bar is S38100 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
190
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
45
Fatigue Strength, MPa 190
210
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 80
84
Shear Modulus, GPa 76
76
Shear Strength, MPa 360
400
Tensile Strength: Ultimate (UTS), MPa 550
580
Tensile Strength: Yield (Proof), MPa 230
230

Thermal Properties

Latent Heat of Fusion, J/g 310
320
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1050
970
Melting Completion (Liquidus), °C 1390
1400
Melting Onset (Solidus), °C 1340
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 32
20
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
3.8
Embodied Energy, MJ/kg 77
54
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 19
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
210
Resilience: Unit (Modulus of Resilience), kJ/m3 140
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
21
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 3.1
4.0
Thermal Shock Resistance, points 13
13

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17 to 20
17 to 19
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 38.3 to 48.3
57.9 to 64
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0 to 2.0
0 to 2.0
Nickel (Ni), % 34 to 37
17.5 to 18.5
Phosphorus (P), % 0 to 0.030
0 to 0.030
Silicon (Si), % 0.75 to 1.5
1.5 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0 to 0.025
0