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AISI 429 Stainless Steel vs. EN 1.4618 Stainless Steel

Both AISI 429 stainless steel and EN 1.4618 stainless steel are iron alloys. They have 84% 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 AISI 429 stainless steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
51
Fatigue Strength, MPa 180
240 to 250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 300
480 to 500
Tensile Strength: Ultimate (UTS), MPa 480
680 to 700
Tensile Strength: Yield (Proof), MPa 260
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 810
900
Melting Completion (Liquidus), °C 1440
1400
Melting Onset (Solidus), °C 1400
1360
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 10
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
13
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
2.7
Embodied Energy, MJ/kg 28
39
Embodied Water, L/kg 110
150

Common Calculations

PREN (Pitting Resistance) 15
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 170
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24 to 25
Strength to Weight: Bending, points 18
22 to 23
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 17
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 14 to 16
16.5 to 18.5
Copper (Cu), % 0
1.0 to 2.5
Iron (Fe), % 81.8 to 86
62.7 to 72.5
Manganese (Mn), % 0 to 1.0
5.5 to 9.5
Nickel (Ni), % 0
4.5 to 5.5
Nitrogen (N), % 0
0 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.070
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.010