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S21904 Stainless Steel vs. N08332 Stainless Steel

Both S21904 stainless steel and N08332 stainless steel are iron alloys. They have 70% of their average alloy composition in common. There are 33 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 S21904 stainless steel and the bottom bar is N08332 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17 to 51
34
Fatigue Strength, MPa 380 to 550
170
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
76
Shear Strength, MPa 510 to 620
350
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
520
Tensile Strength: Yield (Proof), MPa 390 to 910
210

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 430
420
Maximum Temperature: Mechanical, °C 980
1050
Melting Completion (Liquidus), °C 1400
1390
Melting Onset (Solidus), °C 1350
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 17
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 15
32
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 3.0
5.4
Embodied Energy, MJ/kg 43
77
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 25
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
140
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
110
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 36
18
Strength to Weight: Bending, points 23 to 29
18
Thermal Diffusivity, mm2/s 3.8
3.1
Thermal Shock Resistance, points 15 to 21
12

Alloy Composition

Carbon (C), % 0 to 0.040
0.050 to 0.1
Chromium (Cr), % 19 to 21.5
17 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 59.5 to 67.4
38.3 to 48.2
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 8.0 to 10
0 to 2.0
Nickel (Ni), % 5.5 to 7.5
34 to 37
Nitrogen (N), % 0.15 to 0.4
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0.75 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.030
Tin (Sn), % 0
0 to 0.025