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ASTM A369 Grade FP12 vs. N08330 Stainless Steel

Both ASTM A369 grade FP12 and N08330 stainless steel are iron alloys. They have 45% 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 ASTM A369 grade FP12 and the bottom bar is N08330 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
34
Fatigue Strength, MPa 170
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 300
360
Tensile Strength: Ultimate (UTS), MPa 470
550
Tensile Strength: Yield (Proof), MPa 250
230

Thermal Properties

Latent Heat of Fusion, J/g 250
310
Maximum Temperature: Mechanical, °C 430
1050
Melting Completion (Liquidus), °C 1470
1390
Melting Onset (Solidus), °C 1430
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 45
12
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.3
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.8
32
Density, g/cm3 7.9
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.4
Embodied Energy, MJ/kg 21
77
Embodied Water, L/kg 52
190

Common Calculations

PREN (Pitting Resistance) 2.8
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 81
150
Resilience: Unit (Modulus of Resilience), kJ/m3 160
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
19
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 12
3.1
Thermal Shock Resistance, points 14
13

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.080
Chromium (Cr), % 0.8 to 1.3
17 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 96.8 to 98.4
38.3 to 48.3
Lead (Pb), % 0
0 to 0.0050
Manganese (Mn), % 0.3 to 0.61
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
34 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.5
0.75 to 1.5
Sulfur (S), % 0 to 0.025
0 to 0.030
Tin (Sn), % 0
0 to 0.025