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EN 1.7039 Steel vs. EN 1.4837 Stainless Steel

Both EN 1.7039 steel and EN 1.4837 stainless steel are iron alloys. They have 61% of their average alloy composition in common. There are 24 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is EN 1.7039 steel and the bottom bar is EN 1.4837 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Poisson's Ratio 0.29
0.27
Shear Modulus, GPa 73
78
Tensile Strength: Ultimate (UTS), MPa 530 to 1850
500

Thermal Properties

Latent Heat of Fusion, J/g 250
320
Maximum Temperature: Mechanical, °C 420
1050
Melting Completion (Liquidus), °C 1460
1390
Melting Onset (Solidus), °C 1420
1350
Specific Heat Capacity, J/kg-K 470
490
Thermal Conductivity, W/m-K 46
14
Thermal Expansion, µm/m-K 13
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.3
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 8.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 2.3
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.4
3.7
Embodied Energy, MJ/kg 19
53
Embodied Water, L/kg 51
180

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 65
18
Strength to Weight: Bending, points 19 to 43
18
Thermal Diffusivity, mm2/s 12
3.7
Thermal Shock Resistance, points 16 to 54
11

Alloy Composition

Carbon (C), % 0.38 to 0.45
0.3 to 0.5
Chromium (Cr), % 0.9 to 1.2
24 to 27
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 96.8 to 98.1
53.4 to 63.7
Manganese (Mn), % 0.6 to 0.9
0 to 2.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 0
11 to 14
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.3
1.0 to 2.5
Sulfur (S), % 0.020 to 0.040
0 to 0.030