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EN 1.3543 Stainless Steel vs. AISI 434 Stainless Steel

Both EN 1.3543 stainless steel and AISI 434 stainless steel are iron alloys. Their average alloy composition is basically identical. There are 27 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 1.3543 stainless steel and the bottom bar is AISI 434 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 220
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
78
Tensile Strength: Ultimate (UTS), MPa 730
520

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 870
880
Melting Completion (Liquidus), °C 1430
1510
Melting Onset (Solidus), °C 1390
1430
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 22
25
Thermal Expansion, µm/m-K 10
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
9.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.4
Embodied Energy, MJ/kg 32
33
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 19
20
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
19
Strength to Weight: Bending, points 24
18
Thermal Diffusivity, mm2/s 6.1
6.7
Thermal Shock Resistance, points 26
19

Alloy Composition

Carbon (C), % 1.0 to 1.2
0 to 0.12
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 79.1 to 83.6
78.6 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0.4 to 0.8
0.75 to 1.3
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030