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EN 1.4435 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4435 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 88% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4435 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 190
270
Elastic (Young's, Tensile) Modulus, GPa 200
210
Elongation at Break, % 43
22 to 23
Fatigue Strength, MPa 220
420 to 490
Impact Strength: V-Notched Charpy, J 90
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 78
81
Shear Strength, MPa 420
550 to 580
Tensile Strength: Ultimate (UTS), MPa 610
880 to 930
Tensile Strength: Yield (Proof), MPa 240
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 290
300
Maximum Temperature: Corrosion, °C 420
460
Maximum Temperature: Mechanical, °C 980
1100
Melting Completion (Liquidus), °C 1440
1430
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 16
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.3
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.6
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 21
20
Density, g/cm3 7.9
7.7
Embodied Carbon, kg CO2/kg material 4.1
3.7
Embodied Energy, MJ/kg 57
52
Embodied Water, L/kg 160
190

Common Calculations

PREN (Pitting Resistance) 28
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 210
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 150
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 21
31 to 33
Strength to Weight: Bending, points 20
26 to 27
Thermal Diffusivity, mm2/s 4.0
3.5
Thermal Shock Resistance, points 14
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 17 to 19
28 to 30
Copper (Cu), % 0
0 to 0.8
Iron (Fe), % 59.8 to 68
56.6 to 63.6
Manganese (Mn), % 0 to 2.0
0.8 to 1.5
Molybdenum (Mo), % 2.5 to 3.0
1.5 to 2.6
Nickel (Ni), % 12.5 to 15
5.8 to 7.5
Nitrogen (N), % 0 to 0.1
0.3 to 0.4
Phosphorus (P), % 0 to 0.045
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.015
0 to 0.015