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ASTM A369 Grade FP1 vs. AISI 414 Stainless Steel

Both ASTM A369 grade FP1 and AISI 414 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP1 and the bottom bar is AISI 414 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
17
Fatigue Strength, MPa 160
430 to 480
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Shear Strength, MPa 270
550 to 590
Tensile Strength: Ultimate (UTS), MPa 430
900 to 960
Tensile Strength: Yield (Proof), MPa 240
700 to 790

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 410
750
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 50
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.1
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 8.2
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 2.4
8.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.5
2.1
Embodied Energy, MJ/kg 20
29
Embodied Water, L/kg 47
100

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 75
140 to 150
Resilience: Unit (Modulus of Resilience), kJ/m3 150
1260 to 1590
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 15
32 to 34
Strength to Weight: Bending, points 16
27 to 28
Thermal Diffusivity, mm2/s 13
6.7
Thermal Shock Resistance, points 13
33 to 35

Alloy Composition

Carbon (C), % 0.1 to 0.2
0 to 0.15
Chromium (Cr), % 0
11.5 to 13.5
Iron (Fe), % 97.8 to 99.06
81.8 to 87.3
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.44 to 0.65
0
Nickel (Ni), % 0
1.3 to 2.5
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0.1 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.030