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N08810 Stainless Steel vs. EN 1.7779 Steel

Both N08810 stainless steel and EN 1.7779 steel are iron alloys. They have 49% 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 N08810 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 33
16
Fatigue Strength, MPa 160
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Shear Strength, MPa 340
500
Tensile Strength: Ultimate (UTS), MPa 520
810
Tensile Strength: Yield (Proof), MPa 200
660

Thermal Properties

Latent Heat of Fusion, J/g 300
260
Maximum Temperature: Mechanical, °C 1100
470
Melting Completion (Liquidus), °C 1400
1460
Melting Onset (Solidus), °C 1350
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 14
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
7.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
8.9

Otherwise Unclassified Properties

Base Metal Price, % relative 30
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.3
2.8
Embodied Energy, MJ/kg 76
41
Embodied Water, L/kg 200
64

Common Calculations

PREN (Pitting Resistance) 21
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 140
120
Resilience: Unit (Modulus of Resilience), kJ/m3 100
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 18
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 3.0
11
Thermal Shock Resistance, points 13
23

Alloy Composition

Aluminum (Al), % 0.15 to 0.6
0 to 0.040
Carbon (C), % 0.050 to 0.1
0.17 to 0.23
Chromium (Cr), % 19 to 23
3.0 to 3.3
Copper (Cu), % 0 to 0.75
0 to 0.3
Iron (Fe), % 39.5 to 50.7
93.8 to 95.4
Manganese (Mn), % 0 to 1.5
0.3 to 0.5
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 30 to 35
0 to 0.3
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 1.0
0.15 to 0.35
Sulfur (S), % 0 to 0.015
0 to 0.010
Titanium (Ti), % 0.15 to 0.6
0
Vanadium (V), % 0
0.45 to 0.55