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EN 1.4539 Stainless Steel vs. EN 1.4029 Stainless Steel

Both EN 1.4539 stainless steel and EN 1.4029 stainless steel are iron alloys. They have 62% of their average alloy composition in common. There are 32 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 EN 1.4539 stainless steel and the bottom bar is EN 1.4029 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 38
10 to 20
Fatigue Strength, MPa 220
270 to 400
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 79
76
Shear Strength, MPa 430
440 to 550
Tensile Strength: Ultimate (UTS), MPa 630
700 to 930
Tensile Strength: Yield (Proof), MPa 260
410 to 740

Thermal Properties

Latent Heat of Fusion, J/g 300
270
Maximum Temperature: Corrosion, °C 420
390
Maximum Temperature: Mechanical, °C 1100
750
Melting Completion (Liquidus), °C 1440
1440
Melting Onset (Solidus), °C 1390
1400
Specific Heat Capacity, J/kg-K 460
480
Thermal Conductivity, W/m-K 12
30
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
3.1
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.7

Otherwise Unclassified Properties

Base Metal Price, % relative 31
7.0
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 5.7
2.0
Embodied Energy, MJ/kg 78
28
Embodied Water, L/kg 200
100

Common Calculations

PREN (Pitting Resistance) 36
14
Resilience: Ultimate (Unit Rupture Work), MJ/m3 190
89 to 120
Resilience: Unit (Modulus of Resilience), kJ/m3 160
440 to 1410
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 22
25 to 33
Strength to Weight: Bending, points 20
23 to 27
Thermal Diffusivity, mm2/s 3.2
8.1
Thermal Shock Resistance, points 14
26 to 34

Alloy Composition

Carbon (C), % 0 to 0.020
0.25 to 0.32
Chromium (Cr), % 19 to 21
12 to 13.5
Copper (Cu), % 1.2 to 2.0
0
Iron (Fe), % 43.1 to 51.8
82.8 to 87.6
Manganese (Mn), % 0 to 2.0
0 to 1.5
Molybdenum (Mo), % 4.0 to 5.0
0 to 0.6
Nickel (Ni), % 24 to 26
0
Nitrogen (N), % 0 to 0.15
0
Phosphorus (P), % 0 to 0.030
0 to 0.040
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0.15 to 0.25