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EN 1.4529 Stainless Steel vs. AISI 434 Stainless Steel

Both EN 1.4529 stainless steel and AISI 434 stainless steel are iron alloys. They have 65% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (3, in this case) are not shown.

For each property being compared, the top bar is EN 1.4529 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
Elongation at Break, % 43
24
Fatigue Strength, MPa 310
220
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
78
Shear Strength, MPa 520
330
Tensile Strength: Ultimate (UTS), MPa 750
520
Tensile Strength: Yield (Proof), MPa 340
320

Thermal Properties

Latent Heat of Fusion, J/g 300
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 1100
880
Melting Completion (Liquidus), °C 1460
1510
Melting Onset (Solidus), °C 1410
1430
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 33
9.5
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.4
Embodied Energy, MJ/kg 84
33
Embodied Water, L/kg 200
120

Common Calculations

PREN (Pitting Resistance) 45
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 280
260
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 26
19
Strength to Weight: Bending, points 23
18
Thermal Diffusivity, mm2/s 3.2
6.7
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.12
Chromium (Cr), % 19 to 21
16 to 18
Copper (Cu), % 0.5 to 1.5
0
Iron (Fe), % 42.7 to 50.4
78.6 to 83.3
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 6.0 to 7.0
0.75 to 1.3
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0.15 to 0.25
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.030