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EN 1.4640 Stainless Steel vs. AISI 430F Stainless Steel

Both EN 1.4640 stainless steel and AISI 430F stainless steel are iron alloys. They have 88% 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 AISI 430F stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190 to 200
230
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 51
23
Fatigue Strength, MPa 230 to 250
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 440 to 460
340
Tensile Strength: Ultimate (UTS), MPa 620 to 650
540
Tensile Strength: Yield (Proof), MPa 240 to 260
310

Thermal Properties

Latent Heat of Fusion, J/g 280
280
Maximum Temperature: Corrosion, °C 420
410
Maximum Temperature: Mechanical, °C 930
870
Melting Completion (Liquidus), °C 1420
1430
Melting Onset (Solidus), °C 1380
1390
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
25
Thermal Expansion, µm/m-K 16
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.8
Electrical Conductivity: Equal Weight (Specific), % IACS 2.7
3.3

Otherwise Unclassified Properties

Base Metal Price, % relative 14
8.5
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
2.1
Embodied Energy, MJ/kg 40
29
Embodied Water, L/kg 150
120

Common Calculations

PREN (Pitting Resistance) 20
17
Resilience: Ultimate (Unit Rupture Work), MJ/m3 250 to 260
110
Resilience: Unit (Modulus of Resilience), kJ/m3 150 to 170
250
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 22 to 23
20
Strength to Weight: Bending, points 21
19
Thermal Diffusivity, mm2/s 4.0
6.7
Thermal Shock Resistance, points 14 to 15
19

Alloy Composition

Carbon (C), % 0.030 to 0.080
0 to 0.12
Chromium (Cr), % 18 to 19
16 to 18
Copper (Cu), % 1.3 to 2.0
0
Iron (Fe), % 67.4 to 73.6
79.2 to 83.9
Manganese (Mn), % 1.5 to 4.0
0 to 1.3
Nickel (Ni), % 5.5 to 6.9
0
Nitrogen (N), % 0.030 to 0.11
0
Phosphorus (P), % 0 to 0.045
0 to 0.060
Silicon (Si), % 0 to 0.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0.15 to 0.35