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N08020 Stainless Steel vs. ASTM A356 Grade 1

Both N08020 stainless steel and ASTM A356 grade 1 are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 29 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 A356 grade 1.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 15 to 34
23
Fatigue Strength, MPa 210 to 240
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 610 to 620
550
Tensile Strength: Yield (Proof), MPa 270 to 420
280

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1100
400
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
51
Thermal Expansion, µm/m-K 15
12

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.6
7.0
Electrical Conductivity: Equal Weight (Specific), % IACS 1.8
8.1

Otherwise Unclassified Properties

Base Metal Price, % relative 38
1.8
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.6
1.4
Embodied Energy, MJ/kg 92
18
Embodied Water, L/kg 220
45

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
110
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
210
Stiffness to Weight: Axial, points 13
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 21
20
Strength to Weight: Bending, points 20
19
Thermal Diffusivity, mm2/s 3.2
14
Thermal Shock Resistance, points 15
18

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.35
Chromium (Cr), % 19 to 21
0
Copper (Cu), % 3.0 to 4.0
0
Iron (Fe), % 29.9 to 44
98.3 to 100
Manganese (Mn), % 0 to 2.0
0 to 0.7
Molybdenum (Mo), % 2.0 to 3.0
0
Nickel (Ni), % 32 to 38
0
Niobium (Nb), % 0 to 1.0
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 0.6
Sulfur (S), % 0 to 0.035
0 to 0.030