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EN 1.4371 Stainless Steel vs. EN 1.3543 Stainless Steel

Both EN 1.4371 stainless steel and EN 1.3543 stainless steel are iron alloys. They have 88% 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 1.4371 stainless steel and the bottom bar is EN 1.3543 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220 to 230
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
76
Tensile Strength: Ultimate (UTS), MPa 740 to 750
730

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
390
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1410
1430
Melting Onset (Solidus), °C 1370
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
22
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
3.0

Otherwise Unclassified Properties

Base Metal Price, % relative 12
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.6
2.3
Embodied Energy, MJ/kg 38
32
Embodied Water, L/kg 140
120

Common Calculations

PREN (Pitting Resistance) 20
19
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
27
Strength to Weight: Bending, points 24
24
Thermal Diffusivity, mm2/s 4.0
6.1
Thermal Shock Resistance, points 16
26

Alloy Composition

Carbon (C), % 0 to 0.030
1.0 to 1.2
Chromium (Cr), % 16 to 17.5
16 to 18
Copper (Cu), % 0 to 1.0
0
Iron (Fe), % 66.7 to 74.4
79.1 to 83.6
Manganese (Mn), % 6.0 to 8.0
0 to 1.0
Molybdenum (Mo), % 0
0.4 to 0.8
Nickel (Ni), % 3.5 to 5.5
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.030