X2CrNiMoCuWN25-7-4

X2CrNiMoCuWN25-7-4 Stainless Steels to NF EN 10028-7

X2CrNiMoCuWN25-7-4 - Specification & Application

  • NF EN 10028-7 - Flat products made of steels for pressure purposes - Part 7: Stainless steels
  • NF EN 10088-1 - Stainless steels - Part 1: List of stainless steels
  • NF EN 10088-2 - Stainless steels - Part 2: Technical delivery conditions for sheet/plate and strip of corrosion resisting steels for general purposes
  • NF 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
  • NF EN 10216-5 (2004) - Seamless steel tubes for pressure purposes - Technical delivery conditions - Part 5: Stainless steel tubes
  • NF EN 10217-7 - Welded steel tubes for pressure purposes - Technical delivery conditions - Part 7: Stainless steel tubes
  • NF EN 10250-4 - Open die steel forgings for general engineering purposes - Part 4: Stainless steels
  • NF EN 10253-3 - Butt-welding pipe fittings - Part 3: Wrought austenitic and austenitic-ferritic (duplex) stainless steels without specific inspection requirements
  • NF EN 10253-4 - Butt-welding pipe fittings - Part 4: Wrought austenitic and austenitic-ferritic (duplex) stainless steels with specific inspection requirements
  • NF EN 10272 - Stainless steel bars for pressure purposes
  • NF 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 X2CrNiMoCuWN25-7-4 grade: to NF EN 10028-7

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.030
Si - 1.00
Mn - 1.00
P - 0.035
S - 0.015
Cr 24.00 26.00
Mo 3.00 4.00
Ni 6.00 8.00
Cu 0.50 1.00
W 0.05 1.00
N 0.20 0.30

X2CrNiMoCuWN25-7-4 - Detail

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

Mechanical properties of grade X2CrNiMoCuWN25-7-4 NF 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)
316 (≥) 195 (≥) 12 14 43 Solution and Aging, Annealing, Ausaging, Q+T,etc 342

Physical properties of grade X2CrNiMoCuWN25-7-4 NF 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
318 (≥) 831 (≥) 31 14 41 Solution and Aging, Annealing, Ausaging, Q+T,etc 333
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
161 635 987

Equivalent Grade

1 X2CrNiMoCuWN25-7-4 2 EN X2CrNiMoCuWN25-7-4 3 EN X2CrNiMoCuWN25-7-4 4 EN X2CrNiMoCuWN25-7-4 5 EN X2CrNiMoCuWN25-7-4 6 EN X2CrNiMoCuWN25-7-4 7 EN X2CrNiMoCuWN25-7-4 8 EN X2CrNiMoCuWN25-7-4 9 X2CrNiMoCuWN25-7-4 10 1.4501 11 X2CrNiMoCuWN25-7-4 12 1.4501

Equivalent Products

Product shapes we supply:

We can customize the production of X2CrNiMoCuWN25-7-4 grade, contact us for the best solution.
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