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EN 1.4640 Stainless Steel vs. EN 1.3542 Stainless Steel

Both EN 1.4640 stainless steel and EN 1.3542 stainless steel are iron alloys. They have 85% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is EN 1.3542 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
220
Elastic (Young's, Tensile) Modulus, GPa 200
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 620 to 650
720

Thermal Properties

Latent Heat of Fusion, J/g 280
270
Maximum Temperature: Corrosion, °C 420
380
Maximum Temperature: Mechanical, °C 930
770
Melting Completion (Liquidus), °C 1420
1440
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
29
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.6

Otherwise Unclassified Properties

Base Metal Price, % relative 14
7.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.0
Embodied Energy, MJ/kg 40
29
Embodied Water, L/kg 150
100

Common Calculations

PREN (Pitting Resistance) 20
15
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 23
26
Strength to Weight: Bending, points 21
23
Thermal Diffusivity, mm2/s 4.0
7.9
Thermal Shock Resistance, points 14 to 15
26

Alloy Composition

Carbon (C), % 0.030 to 0.080
0.6 to 0.7
Chromium (Cr), % 18 to 19
12.5 to 14.5
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
82.7 to 87.5
Manganese (Mn), % 1.5 to 4.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030