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EN 1.7709 Steel vs. N08028 Stainless Steel

Both EN 1.7709 steel and N08028 stainless steel are iron alloys. They have a modest 38% of their average alloy composition in common, which, by itself, doesn't mean much. There are 24 material properties with values for both materials. Properties with values for just one material (10, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is N08028 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200 to 230
180
Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
80
Tensile Strength: Ultimate (UTS), MPa 650 to 780
570

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1420
Melting Onset (Solidus), °C 1420
1370
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 33
12
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
37
Density, g/cm3 7.8
8.1
Embodied Carbon, kg CO2/kg material 2.3
6.4
Embodied Energy, MJ/kg 32
89
Embodied Water, L/kg 56
240

Common Calculations

PREN (Pitting Resistance) 3.6
39
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 23 to 27
19
Strength to Weight: Bending, points 21 to 24
19
Thermal Diffusivity, mm2/s 8.9
3.2
Thermal Shock Resistance, points 22 to 26
12

Alloy Composition

Aluminum (Al), % 0 to 0.030
0
Carbon (C), % 0.17 to 0.25
0 to 0.030
Chromium (Cr), % 1.2 to 1.5
26 to 28
Copper (Cu), % 0
0.6 to 1.4
Iron (Fe), % 95.2 to 97.5
29 to 40.4
Manganese (Mn), % 0.4 to 0.8
0 to 2.5
Molybdenum (Mo), % 0.55 to 0.8
3.0 to 4.0
Nickel (Ni), % 0 to 0.6
30 to 34
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Vanadium (V), % 0.2 to 0.35
0