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N08020 Stainless Steel vs. S44700 Stainless Steel

Both N08020 stainless steel and S44700 stainless steel are iron alloys. They have 60% of their average alloy composition in common. There are 28 material properties with values for both materials. Properties with values for just one material (7, in this case) are not shown.

For each property being compared, the top bar is N08020 stainless steel and the bottom bar is S44700 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 15 to 34
23
Fatigue Strength, MPa 210 to 240
300
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
82
Shear Strength, MPa 380 to 410
380
Tensile Strength: Ultimate (UTS), MPa 610 to 620
600
Tensile Strength: Yield (Proof), MPa 270 to 420
450

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 490
460
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1410
1460
Melting Onset (Solidus), °C 1360
1410
Specific Heat Capacity, J/kg-K 460
480
Thermal Expansion, µm/m-K 15
11

Otherwise Unclassified Properties

Base Metal Price, % relative 38
18
Density, g/cm3 8.2
7.8
Embodied Carbon, kg CO2/kg material 6.6
3.6
Embodied Energy, MJ/kg 92
49
Embodied Water, L/kg 220
180

Common Calculations

PREN (Pitting Resistance) 28
42
Resilience: Ultimate (Unit Rupture Work), MJ/m3 83 to 170
120
Resilience: Unit (Modulus of Resilience), kJ/m3 180 to 440
480
Stiffness to Weight: Axial, points 13
15
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
21
Strength to Weight: Bending, points 20
20
Thermal Shock Resistance, points 15
19

Alloy Composition

Carbon (C), % 0 to 0.070
0 to 0.010
Chromium (Cr), % 19 to 21
28 to 30
Copper (Cu), % 3.0 to 4.0
0 to 0.15
Iron (Fe), % 29.9 to 44
64.9 to 68.5
Manganese (Mn), % 0 to 2.0
0 to 0.3
Molybdenum (Mo), % 2.0 to 3.0
3.5 to 4.2
Nickel (Ni), % 32 to 38
0 to 0.15
Niobium (Nb), % 0 to 1.0
0
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0 to 0.2
Sulfur (S), % 0 to 0.035
0 to 0.020