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AISI 429 Stainless Steel vs. EN 1.4347 Stainless Steel

Both AISI 429 stainless steel and EN 1.4347 stainless steel are iron alloys. They have 82% of their average alloy composition in common. There are 31 material properties with values for both materials. Properties with values for just one material (5, 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 1.4347 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
23
Fatigue Strength, MPa 180
320
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 77
79
Tensile Strength: Ultimate (UTS), MPa 480
660
Tensile Strength: Yield (Proof), MPa 260
480

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
450
Maximum Temperature: Mechanical, °C 810
1100
Melting Completion (Liquidus), °C 1440
1410
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 10
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.1
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
16
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.0
3.1
Embodied Energy, MJ/kg 28
44
Embodied Water, L/kg 110
170

Common Calculations

PREN (Pitting Resistance) 15
28
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
140
Resilience: Unit (Modulus of Resilience), kJ/m3 170
570
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
24
Strength to Weight: Bending, points 18
22
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 17
19

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.050
Chromium (Cr), % 14 to 16
25 to 27
Iron (Fe), % 81.8 to 86
62.2 to 69.4
Manganese (Mn), % 0 to 1.0
0 to 1.5
Nickel (Ni), % 0
5.5 to 7.5
Nitrogen (N), % 0
0.1 to 0.2
Phosphorus (P), % 0 to 0.040
0 to 0.035
Silicon (Si), % 0 to 1.0
0 to 1.5
Sulfur (S), % 0 to 0.030
0 to 0.020