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EN 1.7709 Steel vs. N08135 Stainless Steel

Both EN 1.7709 steel and N08135 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 21 material properties with values for both materials. Properties with values for just one material (12, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is N08135 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

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
310
Maximum Temperature: Mechanical, °C 440
1100
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
460
Thermal Expansion, µm/m-K 11
16

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
39
Density, g/cm3 7.8
8.2
Embodied Carbon, kg CO2/kg material 2.3
6.8
Embodied Energy, MJ/kg 32
94
Embodied Water, L/kg 56
220

Common Calculations

PREN (Pitting Resistance) 3.6
38
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 Shock Resistance, points 22 to 26
13

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
20.5 to 23.5
Copper (Cu), % 0
0 to 0.7
Iron (Fe), % 95.2 to 97.5
30.2 to 42.3
Manganese (Mn), % 0.4 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.55 to 0.8
4.0 to 5.0
Nickel (Ni), % 0 to 0.6
33 to 38
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030
Tungsten (W), % 0
0.2 to 0.8
Vanadium (V), % 0.2 to 0.35
0