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EN 1.6982 Stainless Steel vs. EN 1.6368 Steel

Both EN 1.6982 stainless steel and EN 1.6368 steel are iron alloys. They have 84% of their average alloy composition in common. There are 30 material properties with values for both materials. Properties with values for just one material (4, in this case) are not shown.

For each property being compared, the top bar is EN 1.6982 stainless steel and the bottom bar is EN 1.6368 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Elongation at Break, % 17
18
Fatigue Strength, MPa 350
310 to 330
Impact Strength: V-Notched Charpy, J 56
43 to 46
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 800
660 to 690
Tensile Strength: Yield (Proof), MPa 570
460 to 490

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 770
410
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 25
40
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
7.5
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
8.6

Otherwise Unclassified Properties

Base Metal Price, % relative 10
3.4
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.4
1.7
Embodied Energy, MJ/kg 33
22
Embodied Water, L/kg 110
53

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
110
Resilience: Unit (Modulus of Resilience), kJ/m3 820
580 to 650
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
23 to 24
Strength to Weight: Bending, points 25
21 to 22
Thermal Diffusivity, mm2/s 6.6
11
Thermal Shock Resistance, points 29
20

Alloy Composition

Aluminum (Al), % 0
0.015 to 0.040
Carbon (C), % 0 to 0.050
0 to 0.17
Chromium (Cr), % 12 to 13.5
0 to 0.3
Copper (Cu), % 0
0.5 to 0.8
Iron (Fe), % 78.7 to 84.5
95.1 to 97.2
Manganese (Mn), % 0 to 1.0
0.8 to 1.2
Molybdenum (Mo), % 0 to 0.7
0.25 to 0.5
Nickel (Ni), % 3.5 to 5.0
1.0 to 1.3
Niobium (Nb), % 0
0.015 to 0.045
Nitrogen (N), % 0
0 to 0.020
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 1.0
0.25 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.010