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EN 1.4986 Stainless Steel vs. EN 1.7241 Steel

Both EN 1.4986 stainless steel and EN 1.7241 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 (9, in this case) are not shown.

For each property being compared, the top bar is EN 1.4986 stainless steel and the bottom bar is EN 1.7241 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 230
200 to 480
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
73
Tensile Strength: Ultimate (UTS), MPa 750
660 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 290
250
Maximum Temperature: Mechanical, °C 940
420
Melting Completion (Liquidus), °C 1450
1460
Melting Onset (Solidus), °C 1400
1420
Specific Heat Capacity, J/kg-K 470
470
Thermal Conductivity, W/m-K 15
44
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 25
2.5
Density, g/cm3 7.9
7.8
Embodied Carbon, kg CO2/kg material 4.8
1.5
Embodied Energy, MJ/kg 67
20
Embodied Water, L/kg 150
51

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 24
24
Strength to Weight: Axial, points 26
23 to 71
Strength to Weight: Bending, points 23
21 to 45
Thermal Diffusivity, mm2/s 4.0
12
Thermal Shock Resistance, points 16
19 to 59

Alloy Composition

Boron (B), % 0.050 to 0.1
0
Carbon (C), % 0.040 to 0.1
0.56 to 0.64
Chromium (Cr), % 15.5 to 17.5
0.7 to 1.0
Iron (Fe), % 59.4 to 66.6
96.6 to 97.8
Manganese (Mn), % 0 to 1.5
0.7 to 1.0
Molybdenum (Mo), % 1.6 to 2.0
0.25 to 0.35
Nickel (Ni), % 15.5 to 17.5
0
Niobium (Nb), % 0.4 to 1.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0.3 to 0.6
0 to 0.4
Sulfur (S), % 0 to 0.030
0 to 0.025