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EN 1.4405 Stainless Steel vs. EN 1.4650 Stainless Steel

Both EN 1.4405 stainless steel and EN 1.4650 stainless steel are iron alloys. They have a moderately high 91% of their average alloy composition in common. There are 32 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 1.4405 stainless steel and the bottom bar is EN 1.4650 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 17
48
Fatigue Strength, MPa 370
230
Impact Strength: V-Notched Charpy, J 68
91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 77
77
Tensile Strength: Ultimate (UTS), MPa 860
620
Tensile Strength: Yield (Proof), MPa 610
240

Thermal Properties

Latent Heat of Fusion, J/g 280
290
Maximum Temperature: Corrosion, °C 410
420
Maximum Temperature: Mechanical, °C 870
970
Melting Completion (Liquidus), °C 1450
1420
Melting Onset (Solidus), °C 1400
1380
Specific Heat Capacity, J/kg-K 480
480
Thermal Conductivity, W/m-K 17
15
Thermal Expansion, µm/m-K 11
16

Electrical Properties

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

Otherwise Unclassified Properties

Base Metal Price, % relative 13
16
Density, g/cm3 7.8
7.8
Embodied Carbon, kg CO2/kg material 2.8
3.1
Embodied Energy, MJ/kg 39
43
Embodied Water, L/kg 130
150

Common Calculations

PREN (Pitting Resistance) 20
20
Resilience: Ultimate (Unit Rupture Work), MJ/m3 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 950
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
25
Strength to Weight: Axial, points 31
22
Strength to Weight: Bending, points 26
21
Thermal Diffusivity, mm2/s 4.6
4.1
Thermal Shock Resistance, points 29
14

Alloy Composition

Carbon (C), % 0 to 0.060
0 to 0.030
Chromium (Cr), % 15 to 17
18.5 to 20
Copper (Cu), % 0
0 to 1.0
Iron (Fe), % 73.6 to 80.3
65.8 to 72.5
Manganese (Mn), % 0 to 1.0
0 to 2.0
Molybdenum (Mo), % 0.7 to 1.5
0
Nickel (Ni), % 4.0 to 6.0
9.0 to 10
Nitrogen (N), % 0
0 to 0.080
Phosphorus (P), % 0 to 0.035
0 to 0.045
Silicon (Si), % 0 to 0.8
0 to 1.0
Sulfur (S), % 0 to 0.025
0 to 0.015