X1CrNiMoCuN20-18-7

X1CrNiMoCuN20-18-7 Stainless Steels to BS EN 10028-7

X1CrNiMoCuN20-18-7 - 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 X1CrNiMoCuN20-18-7 grade: to BS EN 10028-7

Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.02
Si - 0.70
Mn - 1.00
P - 0.03
S - 0.01
Cr 19.50 20.50
Ni 17.50 18.50
Mo 6.00 7.00
N 0.18 0.25
Cu 0.50 1.00

X1CrNiMoCuN20-18-7 - Detail

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

Mechanical properties of grade X1CrNiMoCuN20-18-7 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)
249 (≥) 629 (≥) 34 31 33 Solution and Aging, Annealing, Ausaging, Q+T,etc 243

Physical properties of grade X1CrNiMoCuN20-18-7 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
769 (≥) 621 (≥) 11 42 12 Solution and Aging, Annealing, Ausaging, Q+T,etc 122
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
536 361 592

Equivalent Grade

1 X1CrNiMoCuN20-18-7 2 ISO X1CrNiMoCuN20-18-7 3 EN X1CrNiMoCuN20-18-7 4 EN X1CrNiMoCuN20-18-7 5 EN X1CrNiMoCuN20-18-7 6 EN X1CrNiMoCuN20-18-7 7 EN X1CrNiMoCuN20-18-7 8 EN X1CrNiMoCuN20-18-7 9 EN X1CrNiMoCuN20-18-7 10 EN X1CrNiMoCuN20-18-7 11 X1CrNiMoCuN20-18-7 12 1.4547 13 X1CrNiMoCuN20-18-7 14 1.4547 15 X1CrNiMoCuN20-18-7 16 254SMO, X1CrNiMoCuN20-18-7, 1.4547, UNS S31254

Equivalent Products

Product shapes we supply:

We can customize the production of X1CrNiMoCuN20-18-7 grade, contact us for the best solution.
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