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ASTM A369 Grade FP11 vs. S35045 Stainless Steel

Both ASTM A369 grade FP11 and S35045 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 31 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 FP11 and the bottom bar is S35045 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 20
39
Fatigue Strength, MPa 160
170
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
78
Shear Strength, MPa 300
370
Tensile Strength: Ultimate (UTS), MPa 470
540
Tensile Strength: Yield (Proof), MPa 240
190

Thermal Properties

Latent Heat of Fusion, J/g 260
310
Maximum Temperature: Mechanical, °C 430
1100
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1340
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
16

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
34
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 1.6
5.8
Embodied Energy, MJ/kg 21
83
Embodied Water, L/kg 52
230

Common Calculations

PREN (Pitting Resistance) 3.0
27
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
170
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
19
Strength to Weight: Bending, points 17
19
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 14
12

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
25 to 29
Copper (Cu), % 0
0 to 0.75
Iron (Fe), % 96.1 to 97.7
29.4 to 42.6
Manganese (Mn), % 0.3 to 0.6
0 to 1.5
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
32 to 37
Phosphorus (P), % 0 to 0.025
0 to 0.045
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