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

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(wt.%) of 1.4507, X2CrNiMoCuN25-6-3, UNS S32550 grade: NF EN 10028-7

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 NF EN 10028-7

Yield Strength,Rp 0.2(MPa)

Condition Min Max Similar Note
500

Tensile Strength,Rm(MPa)

Condition Min Max Similar Note
700 900

Impact,Kv/Ku(J)

Condition Min Max Similar Note

Elongation,A(%)

Condition Min Max Similar Note
25

Reduction of area,(%)

Condition Min Max Similar Note

Hardness

Condition Type Min Max Similar Note
HB 270

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

1.4507, X2CrNiMoCuN25-6-3, UNS S32550 - Form of Supply

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
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

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