X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 Stainless Steels to EN 10028-7

X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 - Specification & Application

  • EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
  • EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
  • EN 10088-3 - Stainless steels - Part 3: Technical delivery conditions for semi-finished products, bars, rods, wire, sections and bright products of corrosion resisting steels for general purposes
  • EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
  • EN 10088-5 - Stainless steels - Part 5: Technical delivery conditions for bars, rods, wire, sections and bright products of corrosion resisting steels for construction purposes
  • EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
  • EN 10217-7 - Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
  • EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels
  • EN 10253-3 - Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
  • EN 10253-4 - Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
  • EN 10272 - Stainless steel bars for pressure purposes
  • EN 10297-2 (2005) - Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Austenitic steel designed to deal with sour gas, phosphoric, sulphuric and acetic acids, and vinyl chloride. It is used for heat exchangers, co

Chemical composition(wt.%) of X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 grade: to EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.020
Si - 0.70
Mn - 2.00
P - 0.030
S - 0.010
Cr 26.00 28.00
Mo 3.00 4.00
Ni 30.00 32.00
N - 0.11
Cu 0.70 1.50

Mechanical properties of grade X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 grade: to EN 10028-7

Yield Strength,Rp 0.2(MPa)

Condition Min Max Similar Note
220
High temperature 50°C 209
High temperature 100°C 190
High temperature 150°C 175

Tensile Strength,Rm(MPa)

Condition Min Max Similar Note
Forgings 500 700
High temperature 50°C 485
High temperature 100°C 460
High temperature 150°C 445

Impact,Kv/Ku(J)

Condition Min Max Similar Note

Elongation,A(%)

Condition Min Max Similar Note
40

Reduction of area,(%)

Condition Min Max Similar Note

Hardness

Condition Type Min Max Similar Note
HB 230

Physical properties of grade X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 EN 10028-7

Density Note
8.00 g/cm3
Specific heat capacity Note
0.45 kJ/(kg*K)
Thermal conductivity Note
12 W/(m*K)
Young's modulus E Note
195 GPa
Electrical resistivity Note
1 µΩ*m
Linear expansion coefficient Note
15.8 (10-6/K)

Related properties

Heat treatment and working - Forging: 1150-850 °C
Heat treatment and working - Rolling: 1150-850 °C
Heat treatment and working - Solutioning: 1050-1150 °C

X1NiCrMoCu31-27-4, 1.4563, Alloy 28, UNS N08028 - Detail

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel, Austenitic steel designed to deal with sour gas, phosphoric, sulphuric and acetic acids, and vinyl chloride. It is used for heat exchangers, coolers, tanks, pumps and pipelines in the chemical, cryogenic, paper, petrochemical and energy industries, for elements of mining platforms, and for aircraft structures, screws and valves.It has a better corrosion resistance than UNS N08904 / 904L / 1.4539.The steel is resistant to intergranular corrosion in the delivery condition. It also has an excellent resistance to stress corrosion cracking phenomena, particularly in case of hot chloride environments.The alloy belongs to the welding group ISO 8.2; Preheating is not necessary.

Equivalent Products

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