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S15700 Stainless Steel vs. S82012 Stainless Steel

Both S15700 stainless steel and S82012 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is S15700 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, % 1.1 to 29
40
Fatigue Strength, MPa 370 to 770
480
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
78
Shear Strength, MPa 770 to 1070
550
Tensile Strength: Ultimate (UTS), MPa 1180 to 1890
800
Tensile Strength: Yield (Proof), MPa 500 to 1770
560

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 400
420
Maximum Temperature: Mechanical, °C 870
950
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 16
15
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 15
11
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 3.4
2.4
Embodied Energy, MJ/kg 47
35
Embodied Water, L/kg 140
140

Common Calculations

PREN (Pitting Resistance) 23
24
Resilience: Ultimate (Unit Rupture Work), MJ/m3 17 to 270
290
Resilience: Unit (Modulus of Resilience), kJ/m3 640 to 4660
790
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 42 to 67
29
Strength to Weight: Bending, points 32 to 43
25
Thermal Diffusivity, mm2/s 4.2
3.9
Thermal Shock Resistance, points 39 to 63
23

Alloy Composition

Aluminum (Al), % 0.75 to 1.5
0
Carbon (C), % 0 to 0.090
0 to 0.050
Chromium (Cr), % 14 to 16
19 to 20.5
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 69.6 to 76.8
71.3 to 77.9
Manganese (Mn), % 0 to 1.0
2.0 to 4.0
Molybdenum (Mo), % 2.0 to 3.0
0.1 to 0.6
Nickel (Ni), % 6.5 to 7.7
0.8 to 1.5
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