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EN 1.4507, X2CrNiMoCuN25-6-3, UNS S32550 Details

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

EN 1.4507, X2CrNiMoCuN25-6-3, UNS S32550 Standard Download

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1.4507, X2CrNiMoCuN25-6-3, UNS S32550 Application:Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
Category Type Grade Microstructure Designations
Grades Stainless Steels 1.4507, X2CrNiMoCuN25-6-3, UNS S32550 Austenitic-Ferritic(Duplex steel) European - EN , 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 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
Chemical composition(mass fraction)(wt.%)
Elements Min.(≥) Max.(≤) Similar Remarks
C - 0.030
Si - 0.70
Mn - 2.00
P - 0.035
S - 0.015
Cr 24.00 26.00
Mo 2.70 4.00
Ni 5.50 7.50
N 0.15 0.30
Cu 1.00 2.50
Mechanical properties of grade 1.4507, X2CrNiMoCuN25-6-3, UNS S32550
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)
721 (≥) 675 (≥) 32 44 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 131
Physical properties of grade 1.4507, X2CrNiMoCuN25-6-3, UNS S32550
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
687 (≥) 126 (≥) 34 21 32 Solution and Aging, Annealing, Ausaging, Q+T,etc 213
Temp.
°C/°F
Creep strain limit
(10000h)
(Rp1,0) N/mm2
Creep rupture strength
(10000h)
(Rp1,0) N/mm2
457 667 442
1.4507, X2CrNiMoCuN25-6-3, UNS S32550 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
X2CrNiMoCuN25-6-3 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4507 B.S. UK
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
X2CrNiMoCuN25-6-3 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4507 AFNOR France
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
1.4507, X2CrNiMoCuN25-6-3, UNS S32550 EN European
Seamless circular steel tubes for mechanical and general engineering purposes - Technical delivery conditions - Part 2: Stainless steel
A 1049 S32550 SAE USA
Stainless Steel Forgings, Ferritic/Austenitic (Duplex), for Pressure Vessels and Related Components
A 240 S32550 SAE USA
Chromium and Chromium-Nickel Stainless Steel Plate, Sheet, and Strip for Pressure Vessels and for General Applications
A 276 S32550 SAE USA
Stainless Steel Bars and Shapes
A 473 S32550 SAE USA
Stainless Steel Forgings
A 479 S32550 SAE USA
Stainless Steel Bars and Shapes for Use in Boilers and Other Pressure Vessels
A 511 S32550 SAE USA
Seamless Stainless Steel Mechanical Tubing
A 789 S32550 SAE USA
Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service
A 790 S32550 SAE USA
Seamless and Welded Ferritic/Austenitic Stainless Steel Pipe
A 815 CRS32550 SAE USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings
A 815 WPS32550 SAE USA
Wrought Ferritic, Ferritic/Austenitic, and Martensitic Stainless Steel Piping Fittings

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