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EN 1.4005 Stainless Steel vs. EN 1.6982 Stainless Steel

Both EN 1.4005 stainless steel and EN 1.6982 stainless steel are iron alloys. They have a very high 96% of their average alloy composition in common. There are 31 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 1.4005 stainless steel and the bottom bar is EN 1.6982 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 13 to 21
17
Fatigue Strength, MPa 240 to 290
350
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 630 to 750
800
Tensile Strength: Yield (Proof), MPa 370 to 500
570

Thermal Properties

Latent Heat of Fusion, J/g 270
280
Maximum Temperature: Corrosion, °C 390
390
Maximum Temperature: Mechanical, °C 760
770
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1400
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 30
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.3
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 7.0
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
2.4
Embodied Energy, MJ/kg 28
33
Embodied Water, L/kg 100
110

Common Calculations

PREN (Pitting Resistance) 14
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 90 to 110
120
Resilience: Unit (Modulus of Resilience), kJ/m3 350 to 650
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 23 to 27
28
Strength to Weight: Bending, points 21 to 24
25
Thermal Diffusivity, mm2/s 8.1
6.6
Thermal Shock Resistance, points 23 to 27
29

Alloy Composition

Carbon (C), % 0.060 to 0.15
0 to 0.050
Chromium (Cr), % 12 to 14
12 to 13.5
Iron (Fe), % 82.4 to 87.8
78.7 to 84.5
Manganese (Mn), % 0 to 1.5
0 to 1.0
Molybdenum (Mo), % 0 to 0.6
0 to 0.7
Nickel (Ni), % 0
3.5 to 5.0
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0.15 to 0.35
0 to 0.015