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S82012 Stainless Steel vs. ASTM A182 Grade F5a

Both S82012 stainless steel and ASTM A182 grade F5a are iron alloys. They have 81% 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 S82012 stainless steel and the bottom bar is ASTM A182 grade F5a.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 40
25
Fatigue Strength, MPa 480
380
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
74
Shear Strength, MPa 550
450
Tensile Strength: Ultimate (UTS), MPa 800
710
Tensile Strength: Yield (Proof), MPa 560
520

Thermal Properties

Latent Heat of Fusion, J/g 280
260
Maximum Temperature: Mechanical, °C 950
510
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
40
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
8.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
9.4

Otherwise Unclassified Properties

Base Metal Price, % relative 11
4.5
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.4
1.8
Embodied Energy, MJ/kg 35
24
Embodied Water, L/kg 140
69

Common Calculations

PREN (Pitting Resistance) 24
6.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 290
160
Resilience: Unit (Modulus of Resilience), kJ/m3 790
700
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 29
25
Strength to Weight: Bending, points 25
23
Thermal Diffusivity, mm2/s 3.9
11
Thermal Shock Resistance, points 23
20

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.25
Chromium (Cr), % 19 to 20.5
4.0 to 6.0
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 71.3 to 77.9
91.4 to 95.6
Manganese (Mn), % 2.0 to 4.0
0 to 0.6
Molybdenum (Mo), % 0.1 to 0.6
0.44 to 0.65
Nickel (Ni), % 0.8 to 1.5
0 to 0.5
Nitrogen (N), % 0.16 to 0.26
0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 0.8
0 to 0.5
Sulfur (S), % 0 to 0.0050
0 to 0.030