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EN 1.4859 Stainless Steel vs. AISI 441 Stainless Steel

Both EN 1.4859 stainless steel and AISI 441 stainless steel are iron alloys. They have 65% 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 1.4859 stainless steel and the bottom bar is AISI 441 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 140
170
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 23
23
Fatigue Strength, MPa 140
180
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77
Tensile Strength: Ultimate (UTS), MPa 490
470
Tensile Strength: Yield (Proof), MPa 210
270

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 560
550
Maximum Temperature: Mechanical, °C 1050
910
Melting Completion (Liquidus), °C 1410
1440
Melting Onset (Solidus), °C 1360
1400
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 13
23
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.7
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
3.1

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 8.0
7.7
Embodied Carbon, kg CO2/kg material 6.2
2.8
Embodied Energy, MJ/kg 88
41
Embodied Water, L/kg 190
130

Common Calculations

PREN (Pitting Resistance) 21
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 91
92
Resilience: Unit (Modulus of Resilience), kJ/m3 110
190
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 17
17
Strength to Weight: Bending, points 17
17
Thermal Diffusivity, mm2/s 3.4
6.1
Thermal Shock Resistance, points 11
16

Alloy Composition

Carbon (C), % 0.050 to 0.15
0 to 0.030
Chromium (Cr), % 19 to 21
17.5 to 19.5
Iron (Fe), % 40.3 to 49
76 to 82.2
Manganese (Mn), % 0 to 2.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
0
Nickel (Ni), % 31 to 33
0 to 1.0
Niobium (Nb), % 0.5 to 1.5
0.3 to 0.9
Nitrogen (N), % 0
0 to 0.030
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0.5 to 1.5
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.1 to 0.5