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EN 1.7779 Steel vs. N08028 Stainless Steel

Both EN 1.7779 steel and N08028 stainless steel are iron alloys. They have a modest 39% of their average alloy composition in common, which, by itself, doesn't mean much. There are 30 material properties with values for both materials. Properties with values for just one material (5, in this case) are not shown.

For each property being compared, the top bar is EN 1.7779 steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 16
45
Fatigue Strength, MPa 430
220
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Shear Strength, MPa 500
400
Tensile Strength: Ultimate (UTS), MPa 810
570
Tensile Strength: Yield (Proof), MPa 660
240

Thermal Properties

Latent Heat of Fusion, J/g 260
320
Maximum Temperature: Mechanical, °C 470
1100
Melting Completion (Liquidus), °C 1460
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 39
12
Thermal Expansion, µm/m-K 13
16

Otherwise Unclassified Properties

Base Metal Price, % relative 4.0
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.8
6.4
Embodied Energy, MJ/kg 41
89
Embodied Water, L/kg 64
240

Common Calculations

PREN (Pitting Resistance) 5.0
39
Resilience: Ultimate (Unit Rupture Work), MJ/m3 120
210
Resilience: Unit (Modulus of Resilience), kJ/m3 1150
140
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 29
19
Strength to Weight: Bending, points 25
19
Thermal Diffusivity, mm2/s 11
3.2
Thermal Shock Resistance, points 23
12

Alloy Composition

Aluminum (Al), % 0 to 0.040
0
Carbon (C), % 0.17 to 0.23
0 to 0.030
Chromium (Cr), % 3.0 to 3.3
26 to 28
Copper (Cu), % 0 to 0.3
0.6 to 1.4
Iron (Fe), % 93.8 to 95.4
29 to 40.4
Manganese (Mn), % 0.3 to 0.5
0 to 2.5
Molybdenum (Mo), % 0.5 to 0.6
3.0 to 4.0
Nickel (Ni), % 0 to 0.3
30 to 34
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0.15 to 0.35
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030
Vanadium (V), % 0.45 to 0.55
0