MakeItFrom.com
Menu (ESC)

ASTM A369 Grade FP9 vs. AISI 416 Stainless Steel

Both ASTM A369 grade FP9 and AISI 416 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is ASTM A369 grade FP9 and the bottom bar is AISI 416 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
230 to 320
Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 20
13 to 31
Fatigue Strength, MPa 160
230 to 340
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 75
76
Shear Strength, MPa 300
340 to 480
Tensile Strength: Ultimate (UTS), MPa 470
510 to 800
Tensile Strength: Yield (Proof), MPa 240
290 to 600

Thermal Properties

Latent Heat of Fusion, J/g 270
270
Maximum Temperature: Mechanical, °C 600
680
Melting Completion (Liquidus), °C 1450
1530
Melting Onset (Solidus), °C 1410
1480
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
30
Thermal Expansion, µm/m-K 13
9.9

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 9.0
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 10
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 6.5
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.0
1.9
Embodied Energy, MJ/kg 28
27
Embodied Water, L/kg 87
100

Common Calculations

PREN (Pitting Resistance) 12
13
Resilience: Ultimate (Unit Rupture Work), MJ/m3 80
98 to 140
Resilience: Unit (Modulus of Resilience), kJ/m3 140
220 to 940
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
18 to 29
Strength to Weight: Bending, points 17
18 to 25
Thermal Diffusivity, mm2/s 6.9
8.1
Thermal Shock Resistance, points 13
19 to 30

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.15
Chromium (Cr), % 8.0 to 10
12 to 14
Iron (Fe), % 87.1 to 90.3
83.2 to 87.9
Manganese (Mn), % 0.3 to 0.6
0 to 1.3
Molybdenum (Mo), % 0.9 to 1.1
0
Phosphorus (P), % 0 to 0.030
0 to 0.060
Silicon (Si), % 0.5 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0.15 to 0.35