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AISI 429 Stainless Steel vs. EN 1.4878 Stainless Steel

Both AISI 429 stainless steel and EN 1.4878 stainless steel are iron alloys. They have 86% 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 429 stainless steel and the bottom bar is EN 1.4878 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
180
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 25
45
Fatigue Strength, MPa 180
190
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 300
430
Tensile Strength: Ultimate (UTS), MPa 480
610
Tensile Strength: Yield (Proof), MPa 260
210

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 400
490
Maximum Temperature: Mechanical, °C 810
850
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 26
15
Thermal Expansion, µm/m-K 10
17

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
16
Density, g/cm3 7.7
7.8
Embodied Carbon, kg CO2/kg material 2.0
3.2
Embodied Energy, MJ/kg 28
46
Embodied Water, L/kg 110
140

Common Calculations

PREN (Pitting Resistance) 15
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 99
210
Resilience: Unit (Modulus of Resilience), kJ/m3 170
120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 17
22
Strength to Weight: Bending, points 18
20
Thermal Diffusivity, mm2/s 6.9
4.0
Thermal Shock Resistance, points 17
13

Alloy Composition

Carbon (C), % 0 to 0.12
0 to 0.1
Chromium (Cr), % 14 to 16
17 to 19
Iron (Fe), % 81.8 to 86
65 to 74
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0
9.0 to 12
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0
0 to 0.8