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EN 1.4525 Stainless Steel vs. EN 1.7239 Steel

Both EN 1.4525 stainless steel and EN 1.7239 steel are iron alloys. They have 76% 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 1.4525 stainless steel and the bottom bar is EN 1.7239 steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 76
73
Tensile Strength: Ultimate (UTS), MPa 1030 to 1250
660 to 1990

Thermal Properties

Latent Heat of Fusion, J/g 280
250
Maximum Temperature: Mechanical, °C 860
420
Melting Completion (Liquidus), °C 1430
1460
Melting Onset (Solidus), °C 1390
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 18
44
Thermal Expansion, µm/m-K 11
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.2
7.3
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
8.4

Otherwise Unclassified Properties

Base Metal Price, % relative 13
2.3
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
1.5
Embodied Energy, MJ/kg 39
20
Embodied Water, L/kg 130
50

Common Calculations

Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 36 to 45
23 to 71
Strength to Weight: Bending, points 29 to 33
21 to 45
Thermal Diffusivity, mm2/s 4.7
12
Thermal Shock Resistance, points 34 to 41
19 to 59

Alloy Composition

Carbon (C), % 0 to 0.070
0.56 to 0.64
Chromium (Cr), % 15 to 17
0.7 to 1.0
Copper (Cu), % 2.5 to 4.0
0
Iron (Fe), % 70.4 to 79
96.8 to 98
Manganese (Mn), % 0 to 1.0
0.7 to 1.0
Molybdenum (Mo), % 0 to 0.8
0.060 to 0.15
Nickel (Ni), % 3.5 to 5.5
0
Niobium (Nb), % 0 to 0.35
0
Nitrogen (N), % 0 to 0.050
0
Phosphorus (P), % 0 to 0.035
0 to 0.025
Silicon (Si), % 0 to 0.8
0 to 0.4
Sulfur (S), % 0 to 0.025
0 to 0.025