X1NiCrMoCu25-20-5 Stainless Steels to BS EN 10028-7

X1NiCrMoCu25-20-5 - Specification & Application

  • BS EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
  • BS EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • BS EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
  • BS 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
  • BS EN 10088-4 - Stainless steels - Part 4: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for construction purposes
  • BS 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
  • BS EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
  • BS EN 10217-7 - Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
  • BS EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels
  • BS EN 10253-3 - Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
  • BS EN 10253-4 - Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
  • BS EN 10272 - Stainless steel bars for pressure purposes
  • BS EN 10296-2 (2005) - Welded circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
  • BS 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 - Part 2: Stainless steel

Chemical composition(wt.%) of X1NiCrMoCu25-20-5 grade: to BS EN 10028-7

Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.02
Si - 0.70
Mn - 2.00
P - 0.03
S - 0.01
Cr 19.00 21.00
Ni 24.00 26.00
Mo 4.00 5.00
N - 0.15
Cu 1.20 2.00

X1NiCrMoCu25-20-5 - Detail

Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel

Mechanical properties of grade X1NiCrMoCu25-20-5 BS EN 10028-7

Proof strength
Rp0.2 (MPa)
Tensile strength
Rm (MPa)
Impact energy
KV (J)
Elongation at fracture
A (%)
Reduction in cross section on fracture
Z (%)
As-Heat-Treated Condition Brinell hardness (HBW)
598 (≥) 398 (≥) 34 34 11 Solution and Aging, Annealing, Ausaging, Q+T,etc 412

Physical properties of grade X1NiCrMoCu25-20-5 BS EN 10028-7

Property Density
kg/dm3
Temperature T
°C/F
Specific heat
J / kgK
Thermal conductivity
W/mK
Electric resistance
µΩ·cm
Modulus of elasticity
kN/mm2
Expansion rate
329 (≥) 854 (≥) 23 32 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
376 659 143

Equivalent Products

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