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AISI 434 Stainless Steel vs. EN 1.4520 Stainless Steel

Both AISI 434 stainless steel and EN 1.4520 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 98% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (2, in this case) are not shown.

For each property being compared, the top bar is AISI 434 stainless steel and the bottom bar is EN 1.4520 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 170
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 24
26
Fatigue Strength, MPa 220
160
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 78
77
Shear Strength, MPa 330
310
Tensile Strength: Ultimate (UTS), MPa 520
480
Tensile Strength: Yield (Proof), MPa 320
220

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 410
500
Maximum Temperature: Mechanical, °C 880
870
Melting Completion (Liquidus), °C 1510
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
20
Thermal Expansion, µm/m-K 10
10

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 9.5
8.5
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.4
2.2
Embodied Energy, MJ/kg 33
32
Embodied Water, L/kg 120
120

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 110
100
Resilience: Unit (Modulus of Resilience), kJ/m3 260
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 19
17
Strength to Weight: Bending, points 18
18
Thermal Diffusivity, mm2/s 6.7
5.4
Thermal Shock Resistance, points 19
17

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.025
Chromium (Cr), % 16 to 18
16 to 18
Iron (Fe), % 78.6 to 83.3
80.1 to 83.9
Manganese (Mn), % 0 to 1.0
0 to 0.5
Molybdenum (Mo), % 0.75 to 1.3
0
Nitrogen (N), % 0
0 to 0.015
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0.15 to 0.8