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S44537 Stainless Steel vs. S82012 Stainless Steel

Both S44537 stainless steel and S82012 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a moderately high 95% of their average alloy composition in common. There are 32 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 S44537 stainless steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 21
40
Fatigue Strength, MPa 230
480
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 79
78
Shear Strength, MPa 320
550
Tensile Strength: Ultimate (UTS), MPa 510
800
Tensile Strength: Yield (Proof), MPa 360
560

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 530
420
Maximum Temperature: Mechanical, °C 1000
950
Melting Completion (Liquidus), °C 1480
1430
Melting Onset (Solidus), °C 1430
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 21
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.6
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 3.0
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
11
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.4
Embodied Energy, MJ/kg 50
35
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 26
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
290
Resilience: Unit (Modulus of Resilience), kJ/m3 320
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 5.6
3.9
Thermal Shock Resistance, points 17
23

Alloy Composition

Aluminum (Al), % 0 to 0.1
0
Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 20 to 24
19 to 20.5
Copper (Cu), % 0 to 0.5
0 to 1.0
Iron (Fe), % 69 to 78.6
71.3 to 77.9
Lanthanum (La), % 0.040 to 0.2
0
Manganese (Mn), % 0 to 0.8
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 0 to 0.5
0.8 to 1.5
Niobium (Nb), % 0.2 to 1.0
0
Nitrogen (N), % 0 to 0.040
0.16 to 0.26
Phosphorus (P), % 0 to 0.050
0 to 0.040
Silicon (Si), % 0.1 to 0.6
0 to 0.8
Sulfur (S), % 0 to 0.0060
0 to 0.0050
Titanium (Ti), % 0.020 to 0.2
0
Tungsten (W), % 1.0 to 3.0
0