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EN 1.4835 Stainless Steel vs. AISI 440A Stainless Steel

Both EN 1.4835 stainless steel and AISI 440A stainless steel are iron alloys. They have 83% 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 EN 1.4835 stainless steel and the bottom bar is AISI 440A stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 43
5.0 to 20
Fatigue Strength, MPa 310
270 to 790
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Shear Strength, MPa 520
450 to 1040
Tensile Strength: Ultimate (UTS), MPa 750
730 to 1790
Tensile Strength: Yield (Proof), MPa 350
420 to 1650

Thermal Properties

Latent Heat of Fusion, J/g 320
280
Maximum Temperature: Corrosion, °C 430
400
Maximum Temperature: Mechanical, °C 1150
760
Melting Completion (Liquidus), °C 1400
1480
Melting Onset (Solidus), °C 1360
1370
Specific Heat Capacity, J/kg-K 490
480
Thermal Conductivity, W/m-K 15
23
Thermal Expansion, µm/m-K 17
10

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.0
2.5
Electrical Conductivity: Equal Weight (Specific), % IACS 2.4
2.9

Otherwise Unclassified Properties

Base Metal Price, % relative 17
9.0
Density, g/cm3 7.7
7.7
Embodied Carbon, kg CO2/kg material 3.3
2.2
Embodied Energy, MJ/kg 47
31
Embodied Water, L/kg 160
120

Common Calculations

PREN (Pitting Resistance) 24
18
Resilience: Ultimate (Unit Rupture Work), MJ/m3 270
87 to 120
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 27
26 to 65
Strength to Weight: Bending, points 24
23 to 43
Thermal Diffusivity, mm2/s 4.0
6.2
Thermal Shock Resistance, points 16
26 to 65

Alloy Composition

Carbon (C), % 0.050 to 0.12
0.6 to 0.75
Cerium (Ce), % 0.030 to 0.080
0
Chromium (Cr), % 20 to 22
16 to 18
Iron (Fe), % 62 to 68.4
78.4 to 83.4
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0
0 to 0.75
Nickel (Ni), % 10 to 12
0
Nitrogen (N), % 0.12 to 0.2
0
Phosphorus (P), % 0 to 0.045
0 to 0.040
Silicon (Si), % 1.4 to 2.5
0 to 1.0
Sulfur (S), % 0 to 0.015
0 to 0.015