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S21600 Stainless Steel vs. S34565 Stainless Steel

Both S21600 stainless steel and S34565 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is S21600 stainless steel and the bottom bar is S34565 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 46
39
Fatigue Strength, MPa 360
400
Poisson's Ratio 0.28
0.28
Reduction in Area, % 56
45
Rockwell B Hardness 86
88
Shear Modulus, GPa 79
80
Shear Strength, MPa 500
610
Tensile Strength: Ultimate (UTS), MPa 710
900
Tensile Strength: Yield (Proof), MPa 390
470

Thermal Properties

Latent Heat of Fusion, J/g 290
310
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 990
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Expansion, µm/m-K 17
15

Otherwise Unclassified Properties

Base Metal Price, % relative 17
28
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 3.6
5.3
Embodied Energy, MJ/kg 50
73
Embodied Water, L/kg 160
210

Common Calculations

PREN (Pitting Resistance) 34
47
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
300
Resilience: Unit (Modulus of Resilience), kJ/m3 370
540
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
32
Strength to Weight: Bending, points 23
26
Thermal Shock Resistance, points 15
22

Alloy Composition

Carbon (C), % 0 to 0.080
0 to 0.030
Chromium (Cr), % 17.5 to 22
23 to 25
Iron (Fe), % 57.6 to 67.8
43.2 to 51.6
Manganese (Mn), % 7.5 to 9.0
5.0 to 7.0
Molybdenum (Mo), % 2.0 to 3.0
4.0 to 5.0
Nickel (Ni), % 5.0 to 7.0
16 to 18
Niobium (Nb), % 0
0 to 0.1
Nitrogen (N), % 0.25 to 0.5
0.4 to 0.6
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 0.010