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N08020 Stainless Steel vs. ASTM A182 Grade FR

Both N08020 stainless steel and ASTM A182 grade FR are iron alloys. They have 41% 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 N08020 stainless steel and the bottom bar is ASTM A182 grade FR.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 34
28
Fatigue Strength, MPa 210 to 240
270
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
72
Shear Strength, MPa 380 to 410
320
Tensile Strength: Ultimate (UTS), MPa 610 to 620
490
Tensile Strength: Yield (Proof), MPa 270 to 420
360

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
410
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1420
Specific Heat Capacity, J/kg-K 460
470
Thermal Conductivity, W/m-K 12
52
Thermal Expansion, µm/m-K 15
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 38
3.3
Density, g/cm3 8.2
7.9
Embodied Carbon, kg CO2/kg material 6.6
1.6
Embodied Energy, MJ/kg 92
21
Embodied Water, L/kg 220
52

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
340
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
17
Strength to Weight: Bending, points 20
17
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 15
14

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.2
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0.75 to 1.3
Iron (Fe), % 29.9 to 44
95.2 to 97.3
Manganese (Mn), % 0 to 2.0
0.4 to 1.1
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
1.6 to 2.2
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0
Sulfur (S), % 0 to 0.035
0 to 0.050