MakeItFrom.com
Menu (ESC)

EN 1.4640 Stainless Steel vs. EN 1.4466 Stainless Steel

Both EN 1.4640 stainless steel and EN 1.4466 stainless steel are iron alloys. They have 75% of their average alloy composition in common. There are 33 material properties with values for both materials. Properties with values for just one material (1, in this case) are not shown.

For each property being compared, the top bar is EN 1.4640 stainless steel and the bottom bar is EN 1.4466 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
42
Fatigue Strength, MPa 230 to 250
250
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
80
Shear Strength, MPa 440 to 460
440
Tensile Strength: Ultimate (UTS), MPa 620 to 650
640
Tensile Strength: Yield (Proof), MPa 240 to 260
280

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 420
450
Maximum Temperature: Mechanical, °C 930
1100
Melting Completion (Liquidus), °C 1420
1420
Melting Onset (Solidus), °C 1380
1380
Specific Heat Capacity, J/kg-K 480
470
Thermal Conductivity, W/m-K 15
14
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
2.4

Otherwise Unclassified Properties

Base Metal Price, % relative 14
28
Density, g/cm3 7.8
7.9
Embodied Carbon, kg CO2/kg material 2.8
5.0
Embodied Energy, MJ/kg 40
70
Embodied Water, L/kg 150
200

Common Calculations

PREN (Pitting Resistance) 20
35
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
220
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
200
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 23
22
Strength to Weight: Bending, points 21
21
Thermal Diffusivity, mm2/s 4.0
3.7
Thermal Shock Resistance, points 14 to 15
14

Alloy Composition

Carbon (C), % 0.030 to 0.080
0 to 0.020
Chromium (Cr), % 18 to 19
24 to 26
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
45.6 to 52.9
Manganese (Mn), % 1.5 to 4.0
0 to 2.0
Molybdenum (Mo), % 0
2.0 to 2.5
Nickel (Ni), % 5.5 to 6.9
21 to 23
Nitrogen (N), % 0.030 to 0.11
0.1 to 0.16
Phosphorus (P), % 0 to 0.045
0 to 0.025
Silicon (Si), % 0 to 0.5
0 to 0.7
Sulfur (S), % 0 to 0.015
0 to 0.010