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EN 1.6982 Stainless Steel vs. EN 1.4886 Stainless Steel

Both EN 1.6982 stainless steel and EN 1.4886 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 31 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 1.6982 stainless steel and the bottom bar is EN 1.4886 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
45
Fatigue Strength, MPa 350
280
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
76
Tensile Strength: Ultimate (UTS), MPa 800
580
Tensile Strength: Yield (Proof), MPa 570
300

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Corrosion, °C 390
420
Maximum Temperature: Mechanical, °C 770
1100
Melting Completion (Liquidus), °C 1440
1390
Melting Onset (Solidus), °C 1400
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 10
15

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.2
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 10
31
Density, g/cm3 7.8
8.0
Embodied Carbon, kg CO2/kg material 2.4
5.4
Embodied Energy, MJ/kg 33
76
Embodied Water, L/kg 110
190

Common Calculations

PREN (Pitting Resistance) 14
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
220
Resilience: Unit (Modulus of Resilience), kJ/m3 820
230
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 28
20
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 6.6
3.1
Thermal Shock Resistance, points 29
14

Alloy Composition

Carbon (C), % 0 to 0.050
0 to 0.15
Chromium (Cr), % 12 to 13.5
17 to 20
Iron (Fe), % 78.7 to 84.5
38.7 to 49
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.7
0
Nickel (Ni), % 3.5 to 5.0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.035
0 to 0.030
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015