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AISI 309H Stainless Steel vs. EN 1.3518 Steel

Both AISI 309H stainless steel and EN 1.3518 steel are iron alloys. They have 65% of their average alloy composition in common. There are 25 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 AISI 309H stainless steel and the bottom bar is EN 1.3518 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
190
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.27
0.29
Shear Modulus, GPa 78
72
Tensile Strength: Ultimate (UTS), MPa 580
630

Thermal Properties

Latent Heat of Fusion, J/g 290
260
Maximum Temperature: Mechanical, °C 1080
420
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1370
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
43
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.5
8.5

Otherwise Unclassified Properties

Base Metal Price, % relative 19
2.4
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 3.6
1.5
Embodied Energy, MJ/kg 51
20
Embodied Water, L/kg 170
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
23
Strength to Weight: Bending, points 20
21
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13
19

Alloy Composition

Aluminum (Al), % 0
0 to 0.050
Carbon (C), % 0.040 to 0.1
0.93 to 1.1
Chromium (Cr), % 22 to 24
0.9 to 1.2
Copper (Cu), % 0
0 to 0.3
Iron (Fe), % 58.1 to 66
96.3 to 97.8
Manganese (Mn), % 0 to 2.0
0.9 to 1.2
Molybdenum (Mo), % 0
0 to 0.1
Nickel (Ni), % 12 to 15
0
Oxygen (O), % 0
0 to 0.0015
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0.45 to 0.75
Sulfur (S), % 0 to 0.030
0 to 0.030