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EN X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Details

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

X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 is high alloyed stainless steel with an austenitic structure, which can be classified as nickel alloys (according to American standards).Delivered in the supersaturated state exhibits resistance to intercrystalline, pitting, and stress corrosion, salt, sea water, chloride, sulfuric acid, phosphoric acid and other aggressive chemicals in high concentrations in liquid and gaseous form.X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 steel is used mainly in the chemical, paper, cryogenic, aerospace, and power industries. The main end products are heat exchangers, chemical tanks, pumps, screws, aircraft components, bushings, shafts, water desalination and flue gas desulphurisation equipment, valves and even radiator components.

EN X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Standard Download

X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Datasheet
EN X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926

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X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Application:Steel is used mainly in the chemical, paper, cryogenic, aerospace, and power industries. The main end products are heat exchangers, chemical tanks, pumps, screws, aircraft components, bushings, shafts, water desalination and flue gas desulphurisation equi
Category Type Grade Microstructure Designations
Grades Stainless Steels X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Austenite European - EN , 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
Chemical composition(mass fraction)(wt.%)
Elements Min.（≥） Max.（≤） Similar Remarks
C - 0.020
Si - 0.50
Mn - 1.00
P - 0.030
S - 0.010
Cr 19.00 21.00
Mo 6.00 7.00
Ni 24.00 26.00
N 0.15 0.25
Cu 0.50 1.50
Mechanical properties of grade X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926
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)
858 (≥) 631 (≥) 33 31 42 Solution and Aging, Annealing, Ausaging, Q+T,etc 142
Physical properties of grade X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926
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
227 (≥) 385 (≥) 14 23 44 Solution and Aging, Annealing, Ausaging, Q+T,etc 124
Temp.
°C/°F		 Creep strain limit
(10000h)
(Rp1,0) N/mm2		 Creep rupture strength
(10000h)
(Rp1,0) N/mm2
767 876 842
X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 Range of products
Product type Products Dimension Processes Deliver Status
Plates / Sheets Plates / Sheets 0.08-200mm(T)*W*L Forging, hot rolling and cold rolling Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Steel Bar Round Bar, Flat Bar, Square Bar Φ8-1200mm*L Forging, hot rolling and cold rolling, Cast Black, Rough Turning, Shot Blasting,
Coil / Strip Steel Coil /Steel Strip 0.03-16.0x1200mm Cold-Rolled & Hot-Rolled Annealed, Solution and Aging, Q+T, ACID-WASHED, Shot Blasting
Pipes / Tubes Seamless Pipes/Tubes, Welded Pipes/Tubes OD:6-219mm x WT:0.5-20.0mm Hot extrusion, Cold Drawn, Welded Annealed, Solution and Aging, Q+T, ACID-WASHED
Cross Reference Table(Equivalent Grade)
Grade Standard Country Application
X1NiCrMoCuN25-20-7 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4529 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X1NiCrMoCuN25-20-7 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4529 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X1NiCrMoCuN25-20-7, 1.4529, Alloy 926, UNS N08926 EN European
Steel is used mainly in the chemical, paper, cryogenic, aerospace, and power industries. The main end products are heat exchangers, chemical tanks, pumps, screws, aircraft components, bushings, shafts, water desalination and flue gas desulphurisation equi