Nickel and nickel alloys · Alloy 28 / UNS N08028 / 1.4563

Alloy 28 (UNS N08028 / 1.4563) — Technical Characteristics and Application

Technical Description and Characteristics of Alloy 28

Alloy 28 (UNS N08028, W.Nr. 1.4563) is a highly alloyed austenitic stainless steel designed for operation in extremely aggressive acidic environments, including sulfuric and phosphoric acids. This material demonstrates exceptional corrosion resistance, making it indispensable in critically important applications. EV Group China supplies this alloy for the needs of the oil and gas, chemical, and energy industries, ensuring the reliability and durability of equipment.

Forms of releaseParameterValue
AnalogSheet, plate, strip, bar, forging, wire1.4563
AnalogSheet, plate, strip, bar, forging, wire1.4563
SpecificationsSheet, plate, strip, bar, forging, wire14, 25, 84
SpecificationsSheet, plate, strip, bar, forging, wire14, 25, 84
NameSheet, plate, strip, bar, forging, wireAlloy 28, Nicrofer 3127 LC, UNS N08028
NameSheet, plate, strip, bar, forging, wireAlloy 28, Nicrofer 3127 LC, UNS N08028
NameSheet, plate, strip, bar, forging, wireAlloy 28, Nicrofer 3127 LC, UNS N08028
SpecificationsSheet, plate, strip, bar, forging, wireB668, B709, A403
SpecificationsSheet, plate, strip, bar, forging, wireB668, B709, A403
SpecificationsSheet, plate, strip, bar, forging, wire10216-5, 10088-2, 10088-3, 10272
SpecificationsSheet, plate, strip, bar, forging, wire10216-5, 10088-2, 10088-3, 10272
AnalogSheet, plate, strip, bar, forging, wireW.Nr.
SpecificationsSheet, plate, strip, bar, forging, wireASTM
SpecificationsSheet, plate, strip, bar, forging, wireEN
SpecificationsSheet, plate, strip, bar, forging, wireSS

Chemical Composition of Alloy 28 (%)

NiParameterValue
31Cr27
31Cu1,2
31Fe37
31Mo3,5

Mechanical Properties

Tensile StrengthParameterValue
Yield Strength (0.2% offset)500 MPa214 MPa
Yield Strength (0.2% offset)72.5 ksi31 ksi
Elongation72.5 ksi15 %
Elongation500 MPa15 %

Physical and Technical Parameters

The density of Alloy 28 is 8 g/cm³. These parameters are critically important for the design and operation of systems where a combination of high strength and corrosion resistance is required at various temperature conditions.

Temperature (°C)ParameterValue
20Modulus of Elasticity (MPa x10³)195
20Thermal Conductivity (W/m°C)10
20Specific Heat (J/kg°C)460
20Specific Resistance (mΩ·m)0.99
100Modulus of Elasticity (MPa x10³)190
100Thermal Conductivity (W/m°C)13
100Specific Heat (J/kg°C)480
100Specific Resistance (mΩ·m)1.07
200Modulus of Elasticity (MPa x10³)182
200Thermal Conductivity (W/m°C)14
200Specific Heat (J/kg°C)500
200Specific Resistance (mΩ·m)1.16
300Modulus of Elasticity (MPa x10³)174
300Thermal Conductivity (W/m°C)17
300Specific Heat (J/kg°C)515
300Specific Resistance (mΩ·m)1.22
400Modulus of Elasticity (MPa x10³)166
400Thermal Conductivity (W/m°C)19
400Specific Heat (J/kg°C)535
400Specific Resistance (mΩ·m)1.25
500Modulus of Elasticity (MPa x10³)-
500Thermal Conductivity (W/m°C)21
500Specific Heat (J/kg°C)555
500Specific Resistance (mΩ·m)-
600Modulus of Elasticity (MPa x10³)-
600Thermal Conductivity (W/m°C)24
600Specific Heat (J/kg°C)590
600Specific Resistance (mΩ·m)-