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EN 1.4020 Stainless Steel vs. EN 1.6982 Stainless Steel

Both EN 1.4020 stainless steel and EN 1.6982 stainless steel are iron alloys. They have 83% of their average alloy composition in common. There are 27 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 EN 1.4020 stainless steel and the bottom bar is EN 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 13 to 34
17
Fatigue Strength, MPa 340 to 540
350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 770 to 1130
800
Tensile Strength: Yield (Proof), MPa 430 to 950
570

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 890
770
Melting Completion (Liquidus), °C 1390
1440
Melting Onset (Solidus), °C 1350
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Expansion, µm/m-K 17
10

Otherwise Unclassified Properties

Base Metal Price, % relative 11
10
Density, g/cm3 7.6
7.8
Embodied Carbon, kg CO2/kg material 2.5
2.4
Embodied Energy, MJ/kg 37
33
Embodied Water, L/kg 150
110

Common Calculations

PREN (Pitting Resistance) 23
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140 to 220
120
Resilience: Unit (Modulus of Resilience), kJ/m3 460 to 2290
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 28 to 41
28
Strength to Weight: Bending, points 25 to 32
25
Thermal Shock Resistance, points 16 to 23
29

Alloy Composition

Carbon (C), % 0 to 0.15
0 to 0.050
Chromium (Cr), % 16.5 to 19
12 to 13.5
Iron (Fe), % 62.8 to 71.8
78.7 to 84.5
Manganese (Mn), % 11 to 14
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.7
Nickel (Ni), % 0.5 to 2.5
3.5 to 5.0
Nitrogen (N), % 0.2 to 0.45
0
Phosphorus (P), % 0 to 0.045
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015