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EN 1.7709 Steel vs. S36200 Stainless Steel

Both EN 1.7709 steel and S36200 stainless steel are iron alloys. They have 80% of their average alloy composition in common. There are 25 material properties with values for both materials. Properties with values for just one material (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.7709 steel and the bottom bar is S36200 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 73
76
Tensile Strength: Ultimate (UTS), MPa 650 to 780
1180 to 1410

Thermal Properties

Latent Heat of Fusion, J/g 250
280
Maximum Temperature: Mechanical, °C 440
820
Melting Completion (Liquidus), °C 1470
1440
Melting Onset (Solidus), °C 1420
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 33
16
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.5
2.3
Electrical Conductivity: Equal Weight (Specific), % IACS 8.6
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
12
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.3
2.8
Embodied Energy, MJ/kg 32
40
Embodied Water, L/kg 56
120

Common Calculations

PREN (Pitting Resistance) 3.6
15
Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 23 to 27
42 to 50
Strength to Weight: Bending, points 21 to 24
32 to 36
Thermal Diffusivity, mm2/s 8.9
4.3
Thermal Shock Resistance, points 22 to 26
40 to 48

Alloy Composition

Aluminum (Al), % 0 to 0.030
0 to 0.1
Carbon (C), % 0.17 to 0.25
0 to 0.050
Chromium (Cr), % 1.2 to 1.5
14 to 14.5
Iron (Fe), % 95.2 to 97.5
75.4 to 79.5
Manganese (Mn), % 0.4 to 0.8
0 to 0.5
Molybdenum (Mo), % 0.55 to 0.8
0 to 0.3
Nickel (Ni), % 0 to 0.6
6.5 to 7.0
Phosphorus (P), % 0 to 0.025
0 to 0.030
Silicon (Si), % 0 to 0.4
0 to 0.3
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.6 to 0.9
Vanadium (V), % 0.2 to 0.35
0