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EN 1.5918 Steel vs. EN 1.4935 Stainless Steel

Both EN 1.5918 steel and EN 1.4935 stainless steel are iron alloys. They have 88% of their average alloy composition in common. There are 24 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 1.5918 steel and the bottom bar is EN 1.4935 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
76
Tensile Strength: Ultimate (UTS), MPa 530 to 1390
780 to 880

Thermal Properties

Latent Heat of Fusion, J/g 250
270
Maximum Temperature: Mechanical, °C 440
740
Melting Completion (Liquidus), °C 1460
1460
Melting Onset (Solidus), °C 1420
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 43
24
Thermal Expansion, µm/m-K 13
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 7.6
2.9
Electrical Conductivity: Equal Weight (Specific), % IACS 8.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 3.4
9.0
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 1.6
2.9
Embodied Energy, MJ/kg 21
42
Embodied Water, L/kg 56
100

Common Calculations

Stiffness to Weight: Axial, points 13
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 19 to 49
28 to 31
Strength to Weight: Bending, points 18 to 35
24 to 26
Thermal Diffusivity, mm2/s 12
6.5
Thermal Shock Resistance, points 15 to 41
27 to 30

Alloy Composition

Carbon (C), % 0.14 to 0.2
0.17 to 0.24
Chromium (Cr), % 1.4 to 1.7
11 to 12.5
Copper (Cu), % 0 to 0.25
0
Iron (Fe), % 94.9 to 96.6
83 to 86.7
Manganese (Mn), % 0.5 to 0.9
0.3 to 0.8
Molybdenum (Mo), % 0
0.8 to 1.2
Nickel (Ni), % 1.4 to 1.7
0.3 to 0.8
Phosphorus (P), % 0 to 0.025
0 to 0.025
Silicon (Si), % 0 to 0.3
0.1 to 0.5
Sulfur (S), % 0 to 0.025
0 to 0.015
Tungsten (W), % 0
0.4 to 0.6
Vanadium (V), % 0
0.2 to 0.35

Comparable Variants