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EN 1.4655 Stainless Steel vs. EN 1.6982 Stainless Steel

Both EN 1.4655 stainless steel and EN 1.6982 stainless steel are iron alloys. They have 87% 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 1.4655 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, % 23 to 25
17
Fatigue Strength, MPa 320
350
Poisson's Ratio 0.27
0.28
Shear Modulus, GPa 78
76
Tensile Strength: Ultimate (UTS), MPa 720 to 730
800
Tensile Strength: Yield (Proof), MPa 450 to 480
570

Thermal Properties

Latent Heat of Fusion, J/g 290
280
Maximum Temperature: Corrosion, °C 440
390
Maximum Temperature: Mechanical, °C 1050
770
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
3.2

Otherwise Unclassified Properties

Base Metal Price, % relative 15
10
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.9
2.4
Embodied Energy, MJ/kg 41
33
Embodied Water, L/kg 160
110

Common Calculations

PREN (Pitting Resistance) 26
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150 to 160
120
Resilience: Unit (Modulus of Resilience), kJ/m3 510 to 580
820
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 26
28
Strength to Weight: Bending, points 23
25
Thermal Diffusivity, mm2/s 4.0
6.6
Thermal Shock Resistance, points 20
29

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.050
Chromium (Cr), % 22 to 24
12 to 13.5
Copper (Cu), % 1.0 to 3.0
0
Iron (Fe), % 63.6 to 73.4
78.7 to 84.5
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0.1 to 0.6
0 to 0.7
Nickel (Ni), % 3.5 to 5.5
3.5 to 5.0
Nitrogen (N), % 0.050 to 0.2
0
Phosphorus (P), % 0 to 0.035
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015