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S21600 Stainless Steel vs. AISI 304N Stainless Steel

Both S21600 stainless steel and AISI 304N stainless steel are iron alloys. They have 89% of their average alloy composition in common. There are 29 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is S21600 stainless steel and the bottom bar is AISI 304N stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
190 to 360
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 46
9.1 to 45
Fatigue Strength, MPa 360
220 to 440
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
77
Shear Strength, MPa 500
420 to 700
Tensile Strength: Ultimate (UTS), MPa 710
620 to 1180
Tensile Strength: Yield (Proof), MPa 390
270 to 850

Thermal Properties

Latent Heat of Fusion, J/g 290
290
Maximum Temperature: Corrosion, °C 420
420
Maximum Temperature: Mechanical, °C 990
960
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
16

Otherwise Unclassified Properties

Base Metal Price, % relative 17
15
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 3.6
3.0
Embodied Energy, MJ/kg 50
43
Embodied Water, L/kg 160
150

Common Calculations

PREN (Pitting Resistance) 34
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
98 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 370
180 to 1830
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
22 to 42
Strength to Weight: Bending, points 23
21 to 32
Thermal Shock Resistance, points 15
14 to 26

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.080
Chromium (Cr), % 17.5 to 22
18 to 20
Iron (Fe), % 57.6 to 67.8
66.4 to 73.9
Manganese (Mn), % 7.5 to 9.0
0 to 2.0
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 5.0 to 7.0
8.0 to 10.5
Nitrogen (N), % 0.25 to 0.5
0.1 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 0.75
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030