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EN 1.4615 Stainless Steel vs. EN 1.4477 Stainless Steel

Both EN 1.4615 stainless steel and EN 1.4477 stainless steel are iron alloys. They have 83% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4615 stainless steel and the bottom bar is EN 1.4477 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 150
270
Elastic (Young's, Tensile) Modulus, GPa 190
210
Elongation at Break, % 50
22 to 23
Fatigue Strength, MPa 190
420 to 490
Impact Strength: V-Notched Charpy, J 91
110
Poisson's Ratio 0.28
0.27
Shear Modulus, GPa 76
81
Shear Strength, MPa 360
550 to 580
Tensile Strength: Ultimate (UTS), MPa 500
880 to 930
Tensile Strength: Yield (Proof), MPa 200
620 to 730

Thermal Properties

Latent Heat of Fusion, J/g 280
300
Maximum Temperature: Corrosion, °C 400
460
Maximum Temperature: Mechanical, °C 840
1100
Melting Completion (Liquidus), °C 1400
1430
Melting Onset (Solidus), °C 1360
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 15
13
Thermal Expansion, µm/m-K 17
13

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 2.4
2.2
Electrical Conductivity: Equal Weight (Specific), % IACS 2.8
2.5

Otherwise Unclassified Properties

Base Metal Price, % relative 13
20
Density, g/cm3 7.8
7.7
Embodied Carbon, kg CO2/kg material 2.8
3.7
Embodied Energy, MJ/kg 40
52
Embodied Water, L/kg 140
190

Common Calculations

PREN (Pitting Resistance) 17
41
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
180 to 190
Resilience: Unit (Modulus of Resilience), kJ/m3 99
940 to 1290
Stiffness to Weight: Axial, points 14
15
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 18
31 to 33
Strength to Weight: Bending, points 18
26 to 27
Thermal Diffusivity, mm2/s 4.1
3.5
Thermal Shock Resistance, points 11
23 to 25

Alloy Composition

Carbon (C), % 0 to 0.030
0 to 0.030
Chromium (Cr), % 14 to 16
28 to 30
Copper (Cu), % 2.0 to 4.0
0 to 0.8
Iron (Fe), % 63.1 to 72.5
56.6 to 63.6
Manganese (Mn), % 7.0 to 9.0
0.8 to 1.5
Molybdenum (Mo), % 0 to 0.8
1.5 to 2.6
Nickel (Ni), % 4.5 to 6.0
5.8 to 7.5
Nitrogen (N), % 0.020 to 0.060
0.3 to 0.4
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 0.5
Sulfur (S), % 0 to 0.010
0 to 0.015