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S32808 Stainless Steel vs. ASTM A369 Grade FP12

Both S32808 stainless steel and ASTM A369 grade FP12 are iron alloys. They have 63% 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 S32808 stainless steel and the bottom bar is ASTM A369 grade FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 270
140
Elastic (Young's, Tensile) Modulus, GPa 210
190
Elongation at Break, % 17
20
Fatigue Strength, MPa 350
170
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 81
73
Shear Strength, MPa 480
300
Tensile Strength: Ultimate (UTS), MPa 780
470
Tensile Strength: Yield (Proof), MPa 570
250

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1470
1470
Melting Onset (Solidus), °C 1420
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 14
45
Thermal Expansion, µm/m-K 13
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 24
2.8
Density, g/cm3 7.9
7.9
Embodied Carbon, kg CO2/kg material 4.0
1.6
Embodied Energy, MJ/kg 57
21
Embodied Water, L/kg 180
52

Common Calculations

PREN (Pitting Resistance) 40
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
81
Resilience: Unit (Modulus of Resilience), kJ/m3 790
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 27
17
Strength to Weight: Bending, points 24
17
Thermal Diffusivity, mm2/s 3.8
12
Thermal Shock Resistance, points 21
14

Alloy Composition

Carbon (C), % 0 to 0.030
0.050 to 0.15
Chromium (Cr), % 27 to 27.9
0.8 to 1.3
Iron (Fe), % 58.1 to 62.8
96.8 to 98.4
Manganese (Mn), % 0 to 1.1
0.3 to 0.61
Molybdenum (Mo), % 0.8 to 1.2
0.44 to 0.65
Nickel (Ni), % 7.0 to 8.2
0
Nitrogen (N), % 0.3 to 0.4
0
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.025
Tungsten (W), % 2.1 to 2.5
0