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ASTM A182 Grade F5a vs. N08020 Stainless Steel

Both ASTM A182 grade F5a and N08020 stainless steel are iron alloys. They have 43% of their average alloy composition in common. There are 31 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 ASTM A182 grade F5a and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 25
15 to 34
Fatigue Strength, MPa 380
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
77
Shear Strength, MPa 450
380 to 410
Tensile Strength: Ultimate (UTS), MPa 710
610 to 620
Tensile Strength: Yield (Proof), MPa 520
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 260
300
Maximum Temperature: Mechanical, °C 510
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1420
1360
Specific Heat Capacity, J/kg-K 470
460
Thermal Conductivity, W/m-K 40
12
Thermal Expansion, µm/m-K 13
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.2
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 9.4
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 4.5
38
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 1.8
6.6
Embodied Energy, MJ/kg 24
92
Embodied Water, L/kg 69
220

Common Calculations

PREN (Pitting Resistance) 6.8
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 160
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 700
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 20
15

Alloy Composition

Carbon (C), % 0 to 0.25
0 to 0.070
Chromium (Cr), % 4.0 to 6.0
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 91.4 to 95.6
29.9 to 44
Manganese (Mn), % 0 to 0.6
0 to 2.0
Molybdenum (Mo), % 0.44 to 0.65
2.0 to 3.0
Nickel (Ni), % 0 to 0.5
32 to 38
Niobium (Nb), % 0
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.035