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AISI 314 Stainless Steel vs. ASTM A369 Grade FP12

Both AISI 314 stainless steel and ASTM A369 grade FP12 are iron alloys. They have 53% 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 AISI 314 stainless steel and the bottom bar is ASTM A369 grade FP12.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
140
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 45
20
Fatigue Strength, MPa 210
170
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Shear Strength, MPa 410
300
Tensile Strength: Ultimate (UTS), MPa 590
470
Tensile Strength: Yield (Proof), MPa 230
250

Thermal Properties

Latent Heat of Fusion, J/g 330
250
Maximum Temperature: Mechanical, °C 1100
430
Melting Completion (Liquidus), °C 1380
1470
Melting Onset (Solidus), °C 1340
1430
Specific Heat Capacity, J/kg-K 490
470
Thermal Conductivity, W/m-K 15
45
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.3
8.3

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.8
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 4.3
1.6
Embodied Energy, MJ/kg 62
21
Embodied Water, L/kg 190
52

Common Calculations

PREN (Pitting Resistance) 25
2.8
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
81
Resilience: Unit (Modulus of Resilience), kJ/m3 130
160
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.9
12
Thermal Shock Resistance, points 14
14

Alloy Composition

Carbon (C), % 0 to 0.25
0.050 to 0.15
Chromium (Cr), % 23 to 26
0.8 to 1.3
Iron (Fe), % 46.7 to 56.5
96.8 to 98.4
Manganese (Mn), % 0 to 2.0
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 19 to 22
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 1.5 to 3.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.025