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ASTM A182 Grade F12 Class 2 vs. S43932 Stainless Steel

Both ASTM A182 grade F12 class 2 and S43932 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 82% 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 ASTM A182 grade F12 class 2 and the bottom bar is S43932 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
160
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
25
Fatigue Strength, MPa 220
160
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 340
300
Tensile Strength: Ultimate (UTS), MPa 540
460
Tensile Strength: Yield (Proof), MPa 310
230

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 430
890
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
23
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
12
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.6
2.7
Embodied Energy, MJ/kg 21
40
Embodied Water, L/kg 52
120

Common Calculations

PREN (Pitting Resistance) 2.8
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
96
Resilience: Unit (Modulus of Resilience), kJ/m3 260
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 19
17
Thermal Diffusivity, mm2/s 12
6.3
Thermal Shock Resistance, points 16
16

Alloy Composition

Aluminum (Al), % 0
0 to 0.15
Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 0.8 to 1.3
17 to 19
Iron (Fe), % 96.4 to 98.3
76.7 to 83
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
0 to 0.5
Niobium (Nb), % 0
0.2 to 0.75
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.1 to 0.6
0 to 1.0
Sulfur (S), % 0 to 0.040
0 to 0.030
Titanium (Ti), % 0
0.2 to 0.75