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EN 1.7390 Steel vs. EN 1.3541 Stainless Steel

Both EN 1.7390 steel and EN 1.3541 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 26 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 1.7390 steel and the bottom bar is EN 1.3541 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 210
220
Elastic (Young's, Tensile) Modulus, GPa 190
190
Poisson's Ratio 0.29
0.28
Shear Modulus, GPa 74
76
Tensile Strength: Ultimate (UTS), MPa 710
710

Thermal Properties

Latent Heat of Fusion, J/g 260
270
Maximum Temperature: Mechanical, °C 510
770
Melting Completion (Liquidus), °C 1460
1440
Melting Onset (Solidus), °C 1420
1390
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 40
30
Thermal Expansion, µm/m-K 13
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 8.1
3.0
Electrical Conductivity: Equal Weight (Specific), % IACS 9.3
3.5

Otherwise Unclassified Properties

Base Metal Price, % relative 4.3
7.0
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 1.7
1.9
Embodied Energy, MJ/kg 23
27
Embodied Water, L/kg 69
100

Common Calculations

PREN (Pitting Resistance) 6.8
14
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 25
26
Strength to Weight: Bending, points 23
23
Thermal Diffusivity, mm2/s 11
8.1
Thermal Shock Resistance, points 20
26

Alloy Composition

Carbon (C), % 0 to 0.18
0.43 to 0.5
Chromium (Cr), % 4.0 to 6.0
12.5 to 14.5
Iron (Fe), % 91.9 to 95.3
83.4 to 87.5
Manganese (Mn), % 0.3 to 0.8
0 to 1.0
Molybdenum (Mo), % 0.45 to 0.65
0
Phosphorus (P), % 0 to 0.025
0 to 0.040
Silicon (Si), % 0 to 0.4
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030