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S21904 Stainless Steel vs. N08028 Stainless Steel

Both S21904 stainless steel and N08028 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 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 S21904 stainless steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210 to 300
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17 to 51
45
Fatigue Strength, MPa 380 to 550
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
80
Shear Strength, MPa 510 to 620
400
Tensile Strength: Ultimate (UTS), MPa 700 to 1000
570
Tensile Strength: Yield (Proof), MPa 390 to 910
240

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 430
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1400
1420
Melting Onset (Solidus), °C 1350
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
12
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 15
37
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.0
6.4
Embodied Energy, MJ/kg 43
89
Embodied Water, L/kg 160
240

Common Calculations

PREN (Pitting Resistance) 25
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160 to 310
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 2070
140
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 36
19
Strength to Weight: Bending, points 23 to 29
19
Thermal Diffusivity, mm2/s 3.8
3.2
Thermal Shock Resistance, points 15 to 21
12

Alloy Composition

Carbon (C), % 0 to 0.040
0 to 0.030
Chromium (Cr), % 19 to 21.5
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 59.5 to 67.4
29 to 40.4
Manganese (Mn), % 8.0 to 10
0 to 2.5
Molybdenum (Mo), % 0
3.0 to 4.0
Nickel (Ni), % 5.5 to 7.5
30 to 34
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 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030