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AISI 414 Stainless Steel vs. EN 1.4740 Stainless Steel

Both AISI 414 stainless steel and EN 1.4740 stainless steel are iron alloys. They have a moderately high 93% of their average alloy composition in common. There are 23 material properties with values for both materials. Properties with values for just one material (11, in this case) are not shown.

For each property being compared, the top bar is AISI 414 stainless steel and the bottom bar is EN 1.4740 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 17
22
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
77

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 390
410
Maximum Temperature: Mechanical, °C 750
900
Melting Completion (Liquidus), °C 1440
1420
Melting Onset (Solidus), °C 1400
1370
Specific Heat Capacity, J/kg-K 480
490
Thermal Conductivity, W/m-K 25
18
Thermal Expansion, µm/m-K 10
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.5
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.9
2.6

Otherwise Unclassified Properties

Base Metal Price, % relative 8.0
9.5
Density, g/cm3 7.8
7.6
Embodied Carbon, kg CO2/kg material 2.1
2.3
Embodied Energy, MJ/kg 29
32
Embodied Water, L/kg 100
120

Common Calculations

PREN (Pitting Resistance) 13
18
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Thermal Diffusivity, mm2/s 6.7
4.8

Alloy Composition

Carbon (C), % 0 to 0.15
0.3 to 0.5
Chromium (Cr), % 11.5 to 13.5
16 to 19
Iron (Fe), % 81.8 to 87.3
75.4 to 82.7
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.5
Nickel (Ni), % 1.3 to 2.5
0 to 1.0
Phosphorus (P), % 0 to 0.040
0 to 0.040
Silicon (Si), % 0 to 1.0
1.0 to 2.5
Sulfur (S), % 0 to 0.030
0 to 0.030