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AISI 439 Stainless Steel vs. EN 1.4116 Stainless Steel

Both AISI 439 stainless steel and EN 1.4116 stainless steel are iron alloys. Both are furnished in the annealed condition. They have a very high 96% of their average alloy composition in common. There are 34 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 439 stainless steel and the bottom bar is EN 1.4116 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 160
240
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
14
Fatigue Strength, MPa 170
240
Poisson's Ratio 0.28
0.28
Rockwell B Hardness 78
88
Shear Modulus, GPa 77
76
Shear Strength, MPa 310
450
Tensile Strength: Ultimate (UTS), MPa 490
750
Tensile Strength: Yield (Proof), MPa 250
430

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 530
390
Maximum Temperature: Mechanical, °C 890
800
Melting Completion (Liquidus), °C 1510
1440
Melting Onset (Solidus), °C 1430
1400
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 25
30
Thermal Expansion, µm/m-K 11
11

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.9
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 3.4
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 9.0
8.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 2.3
2.5
Embodied Energy, MJ/kg 34
36
Embodied Water, L/kg 120
110

Common Calculations

PREN (Pitting Resistance) 18
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 95
87
Resilience: Unit (Modulus of Resilience), kJ/m3 160
470
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
27
Strength to Weight: Bending, points 18
24
Thermal Diffusivity, mm2/s 6.7
8.1
Thermal Shock Resistance, points 16
26

Alloy Composition

Aluminum (Al), % 0 to 0.15
0
Carbon (C), % 0 to 0.030
0.45 to 0.55
Chromium (Cr), % 17 to 19
14 to 15
Iron (Fe), % 77.1 to 82.8
81.3 to 85
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0.5 to 0.8
Nickel (Ni), % 0 to 0.5
0
Nitrogen (N), % 0 to 0.030
0 to 0.15
Phosphorus (P), % 0 to 0.040
0 to 0.040
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
Vanadium (V), % 0
0.1 to 0.2