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S35140 Stainless Steel vs. S21600 Stainless Steel

Both S35140 stainless steel and S21600 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 78% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is S35140 stainless steel and the bottom bar is S21600 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
200
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 34
46
Fatigue Strength, MPa 250
360
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 88
86
Shear Modulus, GPa 78
79
Shear Strength, MPa 460
500
Tensile Strength: Ultimate (UTS), MPa 690
710
Tensile Strength: Yield (Proof), MPa 310
390

Thermal Properties

Latent Heat of Fusion, J/g 300
290
Maximum Temperature: Corrosion, °C 500
420
Maximum Temperature: Mechanical, °C 1100
990
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1370
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Expansion, µm/m-K 16
17

Otherwise Unclassified Properties

Base Metal Price, % relative 31
17
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 5.5
3.6
Embodied Energy, MJ/kg 78
50
Embodied Water, L/kg 190
160

Common Calculations

PREN (Pitting Resistance) 28
34
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
270
Resilience: Unit (Modulus of Resilience), kJ/m3 250
370
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 24
25
Strength to Weight: Bending, points 22
23
Thermal Shock Resistance, points 16
15

Alloy Composition

Carbon (C), % 0 to 0.1
0 to 0.080
Chromium (Cr), % 20 to 22
17.5 to 22
Iron (Fe), % 44.1 to 52.7
57.6 to 67.8
Manganese (Mn), % 1.0 to 3.0
7.5 to 9.0
Molybdenum (Mo), % 1.0 to 2.0
2.0 to 3.0
Nickel (Ni), % 25 to 27
5.0 to 7.0
Niobium (Nb), % 0.25 to 0.75
0
Nitrogen (N), % 0.080 to 0.2
0.25 to 0.5
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