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N08330 Stainless Steel vs. EN 1.7779 Steel

Both N08330 stainless steel and EN 1.7779 steel are iron alloys. They have 47% of their average alloy composition in common. There are 32 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 N08330 stainless steel and the bottom bar is EN 1.7779 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 180
240
Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 34
16
Fatigue Strength, MPa 190
430
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Shear Strength, MPa 360
500
Tensile Strength: Ultimate (UTS), MPa 550
810
Tensile Strength: Yield (Proof), MPa 230
660

Thermal Properties

Latent Heat of Fusion, J/g 310
260
Maximum Temperature: Mechanical, °C 1050
470
Melting Completion (Liquidus), °C 1390
1460
Melting Onset (Solidus), °C 1340
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 12
39
Thermal Expansion, µm/m-K 16
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 32
4.0
Density, g/cm3 8.0
7.8
Embodied Carbon, kg CO2/kg material 5.4
2.8
Embodied Energy, MJ/kg 77
41
Embodied Water, L/kg 190
64

Common Calculations

PREN (Pitting Resistance) 19
5.0
Resilience: Ultimate (Unit Rupture Work), MJ/m3 150
120
Resilience: Unit (Modulus of Resilience), kJ/m3 140
1150
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 19
29
Strength to Weight: Bending, points 18
25
Thermal Diffusivity, mm2/s 3.1
11
Thermal Shock Resistance, points 13
23

Alloy Composition

Aluminum (Al), % 0
0 to 0.040
Carbon (C), % 0 to 0.080
0.17 to 0.23
Chromium (Cr), % 17 to 20
3.0 to 3.3
Copper (Cu), % 0 to 1.0
0 to 0.3
Iron (Fe), % 38.3 to 48.3
93.8 to 95.4
Lead (Pb), % 0 to 0.0050
0
Manganese (Mn), % 0 to 2.0
0.3 to 0.5
Molybdenum (Mo), % 0
0.5 to 0.6
Nickel (Ni), % 34 to 37
0 to 0.3
Phosphorus (P), % 0 to 0.030
0 to 0.025
Silicon (Si), % 0.75 to 1.5
0.15 to 0.35
Sulfur (S), % 0 to 0.030
0 to 0.010
Tin (Sn), % 0 to 0.025
0
Vanadium (V), % 0
0.45 to 0.55