MakeItFrom.com
Menu (ESC)

S34565 Stainless Steel vs. S82121 Stainless Steel

Both S34565 stainless steel and S82121 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% of their average alloy composition in common. There are 33 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 S34565 stainless steel and the bottom bar is S82121 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
250
Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 39
28
Fatigue Strength, MPa 400
370
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 80
78
Shear Strength, MPa 610
470
Tensile Strength: Ultimate (UTS), MPa 900
730
Tensile Strength: Yield (Proof), MPa 470
510

Thermal Properties

Latent Heat of Fusion, J/g 310
290
Maximum Temperature: Corrosion, °C 450
430
Maximum Temperature: Mechanical, °C 1100
1020
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.9
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.1
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 28
14
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 5.3
2.8
Embodied Energy, MJ/kg 73
40
Embodied Water, L/kg 210
150

Common Calculations

PREN (Pitting Resistance) 47
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 300
180
Resilience: Unit (Modulus of Resilience), kJ/m3 540
660
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32
26
Strength to Weight: Bending, points 26
23
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 22
20

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.035
Chromium (Cr), % 23 to 25
21 to 23
Copper (Cu), % 0
0.2 to 1.2
Iron (Fe), % 43.2 to 51.6
66.7 to 75.4
Manganese (Mn), % 5.0 to 7.0
1.0 to 2.5
Molybdenum (Mo), % 4.0 to 5.0
0.3 to 1.3
Nickel (Ni), % 16 to 18
2.0 to 4.0
Niobium (Nb), % 0 to 0.1
0
Nitrogen (N), % 0.4 to 0.6
0.15 to 0.25
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010