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ASTM A369 Grade FP11 vs. N08811 Stainless Steel

Both ASTM A369 grade FP11 and N08811 stainless steel are iron alloys. Both are furnished in the annealed condition. They have 47% of their average alloy composition in common. There are 31 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 A369 grade FP11 and the bottom bar is N08811 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
33
Fatigue Strength, MPa 160
150
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
77
Shear Strength, MPa 300
340
Tensile Strength: Ultimate (UTS), MPa 470
510
Tensile Strength: Yield (Proof), MPa 240
190

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.4
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 8.5
2.0

Otherwise Unclassified Properties

Base Metal Price, % relative 2.9
30
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.3
Embodied Energy, MJ/kg 21
76
Embodied Water, L/kg 52
200

Common Calculations

PREN (Pitting Resistance) 3.0
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
130
Resilience: Unit (Modulus of Resilience), kJ/m3 150
94
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 17
18
Strength to Weight: Bending, points 17
18
Thermal Diffusivity, mm2/s 11
3.0
Thermal Shock Resistance, points 14
13

Alloy Composition

Aluminum (Al), % 0
0.15 to 0.6
Carbon (C), % 0.050 to 0.15
0.060 to 0.1
Chromium (Cr), % 1.0 to 1.5
19 to 23
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 96.1 to 97.7
39.5 to 50.6
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
30 to 35
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.6