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S15500 Stainless Steel vs. S82012 Stainless Steel

Both S15500 stainless steel and S82012 stainless steel are iron alloys. They have a moderately high 92% 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 S15500 stainless steel and the bottom bar is S82012 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 6.8 to 16
40
Fatigue Strength, MPa 350 to 650
480
Poisson's Ratio 0.28
0.28
Rockwell C Hardness 27 to 46
27
Shear Modulus, GPa 75
78
Shear Strength, MPa 540 to 870
550
Tensile Strength: Ultimate (UTS), MPa 890 to 1490
800
Tensile Strength: Yield (Proof), MPa 590 to 1310
560

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 440
420
Maximum Temperature: Mechanical, °C 820
950
Melting Completion (Liquidus), °C 1430
1430
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.7
2.4
Embodied Energy, MJ/kg 39
35
Embodied Water, L/kg 130
140

Common Calculations

PREN (Pitting Resistance) 15
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 98 to 120
290
Resilience: Unit (Modulus of Resilience), kJ/m3 890 to 4460
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 32 to 53
29
Strength to Weight: Bending, points 26 to 37
25
Thermal Diffusivity, mm2/s 4.6
3.9
Thermal Shock Resistance, points 30 to 50
23

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.050
Chromium (Cr), % 14 to 15.5
19 to 20.5
Copper (Cu), % 2.5 to 4.5
0 to 1.0
Iron (Fe), % 71.9 to 79.9
71.3 to 77.9
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 0
0.1 to 0.6
Nickel (Ni), % 3.5 to 5.5
0.8 to 1.5
Niobium (Nb), % 0.15 to 0.45
0
Nitrogen (N), % 0
0.16 to 0.26
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.8
Sulfur (S), % 0 to 0.030
0 to 0.0050