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EN 1.4116 Stainless Steel vs. EN 1.4439 Stainless Steel

Both EN 1.4116 stainless steel and EN 1.4439 stainless steel are iron alloys. They have 79% 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 EN 1.4116 stainless steel and the bottom bar is EN 1.4439 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 240
220
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 14
40
Fatigue Strength, MPa 240
270
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
79
Shear Strength, MPa 450
470
Tensile Strength: Ultimate (UTS), MPa 750
680
Tensile Strength: Yield (Proof), MPa 430
310

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 800
980
Melting Completion (Liquidus), °C 1440
1460
Melting Onset (Solidus), °C 1400
1410
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 30
14
Thermal Expansion, µm/m-K 11
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.7
2.0
Electrical Conductivity: Equal Weight (Specific), % IACS 3.1
2.3

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
22
Density, g/cm3 7.7
7.9
Embodied Carbon, kg CO2/kg material 2.5
4.5
Embodied Energy, MJ/kg 36
61
Embodied Water, L/kg 110
160

Common Calculations

PREN (Pitting Resistance) 18
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87
220
Resilience: Unit (Modulus of Resilience), kJ/m3 470
240
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
24
Strength to Weight: Bending, points 24
22
Thermal Diffusivity, mm2/s 8.1
3.8
Thermal Shock Resistance, points 26
15

Alloy Composition

Carbon (C), % 0.45 to 0.55
0 to 0.030
Chromium (Cr), % 14 to 15
16.5 to 18.5
Iron (Fe), % 81.3 to 85
58.7 to 66.9
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.5 to 0.8
4.0 to 5.0
Nickel (Ni), % 0
12.5 to 14.5
Nitrogen (N), % 0 to 0.15
0.12 to 0.22
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015
Vanadium (V), % 0.1 to 0.2
0