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ASTM A182 Grade F12 Class 2 vs. S32202 Stainless Steel

Both ASTM A182 grade F12 class 2 and S32202 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 76% 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 S32202 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
250
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 22
34
Fatigue Strength, MPa 220
400
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
79
Shear Strength, MPa 340
490
Tensile Strength: Ultimate (UTS), MPa 540
730
Tensile Strength: Yield (Proof), MPa 310
510

Thermal Properties

Latent Heat of Fusion, J/g 250
290
Maximum Temperature: Mechanical, °C 430
1030
Melting Completion (Liquidus), °C 1460
1430
Melting Onset (Solidus), °C 1420
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 43
15
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

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
2.6
Embodied Energy, MJ/kg 21
37
Embodied Water, L/kg 52
150

Common Calculations

PREN (Pitting Resistance) 2.8
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 100
220
Resilience: Unit (Modulus of Resilience), kJ/m3 260
650
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19
27
Strength to Weight: Bending, points 19
24
Thermal Diffusivity, mm2/s 12
4.0
Thermal Shock Resistance, points 16
20

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.030
Chromium (Cr), % 0.8 to 1.3
21.5 to 24
Iron (Fe), % 96.4 to 98.3
69.4 to 77.3
Manganese (Mn), % 0.3 to 0.8
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
0 to 0.45
Nickel (Ni), % 0
1.0 to 2.8
Nitrogen (N), % 0
0.18 to 0.26
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 0.010