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EN 1.4303 Stainless Steel vs. N08020 Stainless Steel

Both EN 1.4303 stainless steel and N08020 stainless steel are iron alloys. They have 69% of their average alloy composition in common. There are 32 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is EN 1.4303 stainless steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 13 to 49
15 to 34
Fatigue Strength, MPa 220 to 320
210 to 240
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 420 to 540
380 to 410
Tensile Strength: Ultimate (UTS), MPa 590 to 900
610 to 620
Tensile Strength: Yield (Proof), MPa 230 to 560
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 410
490
Maximum Temperature: Mechanical, °C 940
1100
Melting Completion (Liquidus), °C 1420
1410
Melting Onset (Solidus), °C 1380
1360
Specific Heat Capacity, J/kg-K 480
460
Thermal Conductivity, W/m-K 15
12
Thermal Expansion, µm/m-K 16
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
1.6
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
1.8

Otherwise Unclassified Properties

Base Metal Price, % relative 17
38
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 3.2
6.6
Embodied Energy, MJ/kg 46
92
Embodied Water, L/kg 150
220

Common Calculations

PREN (Pitting Resistance) 19
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110 to 230
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 140 to 800
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21 to 32
21
Strength to Weight: Bending, points 20 to 26
20
Thermal Diffusivity, mm2/s 4.0
3.2
Thermal Shock Resistance, points 13 to 20
15

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.070
Chromium (Cr), % 17 to 19
19 to 21
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 64.8 to 72
29.9 to 44
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 3.0
Nickel (Ni), % 11 to 13
32 to 38
Niobium (Nb), % 0
0 to 1.0
Nitrogen (N), % 0 to 0.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035