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AISI 439 Stainless Steel vs. EN 1.4876 Stainless Steel

Both AISI 439 stainless steel and EN 1.4876 stainless steel are iron alloys. They have 64% 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 439 stainless steel and the bottom bar is EN 1.4876 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
33
Fatigue Strength, MPa 170
150
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 310
370
Tensile Strength: Ultimate (UTS), MPa 490
570
Tensile Strength: Yield (Proof), MPa 250
190

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 530
490
Maximum Temperature: Mechanical, °C 890
1100
Melting Completion (Liquidus), °C 1510
1400
Melting Onset (Solidus), °C 1430
1350
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
12
Thermal Expansion, µm/m-K 11
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
1.9

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
30
Density, g/cm3 7.7
8.0
Embodied Carbon, kg CO2/kg material 2.3
5.3
Embodied Energy, MJ/kg 34
76
Embodied Water, L/kg 120
200

Common Calculations

PREN (Pitting Resistance) 18
21
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
140
Resilience: Unit (Modulus of Resilience), kJ/m3 160
94
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 18
20
Strength to Weight: Bending, points 18
19
Thermal Diffusivity, mm2/s 6.7
3.2
Thermal Shock Resistance, points 16
14

Alloy Composition

Aluminum (Al), % 0 to 0.15
0.15 to 0.6
Carbon (C), % 0 to 0.030
0 to 0.12
Chromium (Cr), % 17 to 19
19 to 23
Iron (Fe), % 77.1 to 82.8
38.6 to 50.7
Manganese (Mn), % 0 to 1.0
0 to 2.0
Nickel (Ni), % 0 to 0.5
30 to 34
Nitrogen (N), % 0 to 0.030
0
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.015
Titanium (Ti), % 0.2 to 1.1
0.15 to 0.6