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EN 1.4563 Stainless Steel vs. EN 1.4618 Stainless Steel

Both EN 1.4563 stainless steel and EN 1.4618 stainless steel are iron alloys. They have 61% of their average alloy composition in common.

For each property being compared, the top bar is EN 1.4563 stainless steel and the bottom bar is EN 1.4618 stainless steel.

Metric UnitsUS Customary Units

Mechanical Properties

Brinell Hardness 200
200 to 210
Elastic (Young's, Tensile) Modulus, GPa 200
200
Elongation at Break, % 40
51
Fatigue Strength, MPa 210
240 to 250
Impact Strength: V-Notched Charpy, J 91
90 to 91
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 80
77
Shear Strength, MPa 420
480 to 500
Tensile Strength: Ultimate (UTS), MPa 620
680 to 700
Tensile Strength: Yield (Proof), MPa 250
250 to 260

Thermal Properties

Latent Heat of Fusion, J/g 310
280
Maximum Temperature: Corrosion, °C 460
410
Maximum Temperature: Mechanical, °C 1100
900
Melting Completion (Liquidus), °C 1420
1400
Melting Onset (Solidus), °C 1370
1360
Specific Heat Capacity, J/kg-K 470
480
Thermal Conductivity, W/m-K 12
15
Thermal Expansion, µm/m-K 16
16

Electrical Properties

Electrical Conductivity: Equal Volume, % IACS 1.7
2.4
Electrical Conductivity: Equal Weight (Specific), % IACS 1.9
2.7

Otherwise Unclassified Properties

Base Metal Price, % relative 36
13
Density, g/cm3 8.1
7.7
Embodied Carbon, kg CO2/kg material 6.3
2.7
Embodied Energy, MJ/kg 87
39
Embodied Water, L/kg 240
150

Common Calculations

PREN (Pitting Resistance) 39
19
Resilience: Ultimate (Unit Rupture Work), MJ/m3 200
270 to 280
Resilience: Unit (Modulus of Resilience), kJ/m3 150
160 to 170
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 24
25
Strength to Weight: Axial, points 21
24 to 25
Strength to Weight: Bending, points 20
22 to 23
Thermal Diffusivity, mm2/s 3.2
4.0
Thermal Shock Resistance, points 13
15 to 16

Alloy Composition

Carbon (C), % 0 to 0.020
0 to 0.1
Chromium (Cr), % 26 to 28
16.5 to 18.5
Copper (Cu), % 0.7 to 1.5
1.0 to 2.5
Iron (Fe), % 31.6 to 40.3
62.7 to 72.5
Manganese (Mn), % 0 to 2.0
5.5 to 9.5
Molybdenum (Mo), % 3.0 to 4.0
0
Nickel (Ni), % 30 to 32
4.5 to 5.5
Nitrogen (N), % 0 to 0.1
0 to 0.15
Phosphorus (P), % 0 to 0.030
0 to 0.070
Silicon (Si), % 0 to 0.7
0 to 1.0
Sulfur (S), % 0 to 0.010
0 to 0.010