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AISI 304L Stainless Steel vs. ASTM A369 Grade FP2

Both AISI 304L stainless steel and ASTM A369 grade FP2 are iron alloys. They have 71% of their average alloy composition in common. There are 32 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 AISI 304L stainless steel and the bottom bar is ASTM A369 grade FP2.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160 to 350
130
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 6.7 to 46
20
Fatigue Strength, MPa 170 to 430
160
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 370 to 680
270
Tensile Strength: Ultimate (UTS), MPa 540 to 1160
430
Tensile Strength: Yield (Proof), MPa 190 to 870
240

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 540
420
Melting Completion (Liquidus), °C 1450
1470
Melting Onset (Solidus), °C 1400
1430
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 16
49
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
7.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
8.2

Otherwise Unclassified Properties

Base Metal Price, % relative 16
2.6
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 3.1
1.6
Embodied Energy, MJ/kg 44
20
Embodied Water, L/kg 150
50

Common Calculations

PREN (Pitting Resistance) 20
2.5
Resilience: Ultimate (Unit Rupture Work), MJ/m3 71 to 240
75
Resilience: Unit (Modulus of Resilience), kJ/m3 92 to 1900
150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 19 to 41
15
Strength to Weight: Bending, points 19 to 31
16
Thermal Diffusivity, mm2/s 4.2
13
Thermal Shock Resistance, points 12 to 25
13

Alloy Composition

Carbon (C), % 0 to 0.030
0.1 to 0.2
Chromium (Cr), % 18 to 20
0.5 to 0.81
Iron (Fe), % 65 to 74
97.4 to 98.6
Manganese (Mn), % 0 to 2.0
0.3 to 0.61
Molybdenum (Mo), % 0
0.44 to 0.65
Nickel (Ni), % 8.0 to 12
0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.1 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.025