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EN 1.4971 Stainless Steel vs. N08020 Stainless Steel

Both EN 1.4971 stainless steel and N08020 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 30 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 EN 1.4971 stainless steel and the bottom bar is N08020 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 210
200
Elongation at Break, % 34
15 to 34
Fatigue Strength, MPa 270
210 to 240
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 81
77
Shear Strength, MPa 530
380 to 410
Tensile Strength: Ultimate (UTS), MPa 800
610 to 620
Tensile Strength: Yield (Proof), MPa 340
270 to 420

Thermal Properties

Latent Heat of Fusion, J/g 300
300
Maximum Temperature: Corrosion, °C 570
490
Maximum Temperature: Mechanical, °C 1100
1100
Melting Completion (Liquidus), °C 1460
1410
Melting Onset (Solidus), °C 1410
1360
Specific Heat Capacity, J/kg-K 450
460
Thermal Conductivity, W/m-K 13
12
Thermal Expansion, µm/m-K 15
15

Otherwise Unclassified Properties

Base Metal Price, % relative 70
38
Density, g/cm3 8.4
8.2
Embodied Carbon, kg CO2/kg material 7.6
6.6
Embodied Energy, MJ/kg 110
92
Embodied Water, L/kg 300
220

Common Calculations

PREN (Pitting Resistance) 38
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 220
83 to 170
Resilience: Unit (Modulus of Resilience), kJ/m3 280
180 to 440
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
21
Strength to Weight: Bending, points 23
20
Thermal Diffusivity, mm2/s 3.4
3.2
Thermal Shock Resistance, points 19
15

Alloy Composition

Carbon (C), % 0.080 to 0.16
0 to 0.070
Chromium (Cr), % 20 to 22.5
19 to 21
Cobalt (Co), % 18.5 to 21
0
Copper (Cu), % 0
3.0 to 4.0
Iron (Fe), % 24.3 to 37.1
29.9 to 44
Manganese (Mn), % 0 to 2.0
0 to 2.0
Molybdenum (Mo), % 2.5 to 3.5
2.0 to 3.0
Nickel (Ni), % 19 to 21
32 to 38
Niobium (Nb), % 0.75 to 1.3
0 to 1.0
Nitrogen (N), % 0.1 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.035
Tungsten (W), % 2.0 to 3.0
0