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S21603 Stainless Steel vs. N08028 Stainless Steel

Both S21603 stainless steel and N08028 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 65% of their average alloy composition in common. There are 30 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 S21603 stainless steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 45
45
Fatigue Strength, MPa 360
220
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
80
Shear Modulus, GPa 79
80
Shear Strength, MPa 490
400
Tensile Strength: Ultimate (UTS), MPa 690
570
Tensile Strength: Yield (Proof), MPa 390
240

Thermal Properties

Latent Heat of Fusion, J/g 290
320
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1370
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
37
Density, g/cm3 7.7
8.1
Embodied Carbon, kg CO2/kg material 3.6
6.4
Embodied Energy, MJ/kg 50
89
Embodied Water, L/kg 160
240

Common Calculations

PREN (Pitting Resistance) 34
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
210
Resilience: Unit (Modulus of Resilience), kJ/m3 380
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
19
Thermal Shock Resistance, points 15
12

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17.5 to 22
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 57.6 to 67.8
29 to 40.4
Manganese (Mn), % 7.5 to 9.0
0 to 2.5
Molybdenum (Mo), % 2.0 to 3.0
3.0 to 4.0
Nickel (Ni), % 5.0 to 7.0
30 to 34
Nitrogen (N), % 0.25 to 0.5
0
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 0.75
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030