MakeItFrom.com
Menu (ESC)

AISI 440A Stainless Steel vs. EN 1.4864 Stainless Steel

Both AISI 440A stainless steel and EN 1.4864 stainless steel are iron alloys. They have 63% of their average alloy composition in common. There are 31 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 440A stainless steel and the bottom bar is EN 1.4864 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
190
Elongation at Break, % 5.0 to 20
33
Fatigue Strength, MPa 270 to 790
200
Poisson's Ratio 0.28
0.29
Shear Modulus, GPa 77
75
Shear Strength, MPa 450 to 1040
430
Tensile Strength: Ultimate (UTS), MPa 730 to 1790
650
Tensile Strength: Yield (Proof), MPa 420 to 1650
260

Thermal Properties

Latent Heat of Fusion, J/g 280
310
Maximum Temperature: Corrosion, °C 400
410
Maximum Temperature: Mechanical, °C 760
1100
Melting Completion (Liquidus), °C 1480
1390
Melting Onset (Solidus), °C 1370
1340
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 23
13
Thermal Expansion, µm/m-K 10
14

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
1.7
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
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 2.2
5.3
Embodied Energy, MJ/kg 31
75
Embodied Water, L/kg 120
180

Common Calculations

PREN (Pitting Resistance) 18
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 87 to 120
170
Stiffness to Weight: Axial, points 14
13
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 26 to 65
23
Strength to Weight: Bending, points 23 to 43
21
Thermal Diffusivity, mm2/s 6.2
3.3
Thermal Shock Resistance, points 26 to 65
17

Alloy Composition

Carbon (C), % 0.6 to 0.75
0 to 0.15
Chromium (Cr), % 16 to 18
15 to 17
Iron (Fe), % 78.4 to 83.4
41.7 to 51
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0 to 0.75
0
Nickel (Ni), % 0
33 to 37
Nitrogen (N), % 0
0 to 0.1
Phosphorus (P), % 0 to 0.040
0 to 0.045
Silicon (Si), % 0 to 1.0
1.0 to 2.0
Sulfur (S), % 0 to 0.015
0 to 0.015