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AISI 309HCb Stainless Steel vs. EN 1.7039 Steel

Both AISI 309HCb stainless steel and EN 1.7039 steel are iron alloys. They have 63% of their average alloy composition in common. 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 AISI 309HCb stainless steel and the bottom bar is EN 1.7039 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 78
73
Tensile Strength: Ultimate (UTS), MPa 590
530 to 1850

Thermal Properties

Latent Heat of Fusion, J/g 300
250
Maximum Temperature: Mechanical, °C 1090
420
Melting Completion (Liquidus), °C 1420
1460
Melting Onset (Solidus), °C 1380
1420
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
46
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
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 23
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 4.1
1.4
Embodied Energy, MJ/kg 59
19
Embodied Water, L/kg 170
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 21
19 to 65
Strength to Weight: Bending, points 20
19 to 43
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 13
16 to 54

Alloy Composition

Carbon (C), % 0.040 to 0.1
0.38 to 0.45
Chromium (Cr), % 22 to 24
0.9 to 1.2
Copper (Cu), % 0
0 to 0.25
Iron (Fe), % 56 to 66
96.8 to 98.1
Manganese (Mn), % 0 to 2.0
0.6 to 0.9
Nickel (Ni), % 12 to 16
0
Niobium (Nb), % 0 to 1.1
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.75
0 to 0.3
Sulfur (S), % 0 to 0.030
0.020 to 0.040