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INCOLOY-Alloy-27-7MO

INCOLOY Alloy 27-7MO (UNS S31277) Product Introduction

Skład chemiczny

ElementSkład (%)
Nikiel (Ni)26.0 – 28.0
Chrom (Cr)26.0 – 28.0
Molibden (Mo)6.0 – 7.0
Nitrogen (N)0.25 – 0.30
Żelazo (Fe)Balansować
Copper (Cu)1.5 – 2.5
Mangan (Mn)1,0 maks
Krzem (Si)00,5 maks
Węgiel (C)00,010 maks
Fosfor (P)0.030 max
Siarka (S)00,010 maks

Właściwości mechaniczne

NieruchomośćWartość
Wytrzymałość na rozciąganie, ksi (MPa)115 (795) min
Granica plastyczności (przesunięcie 0,2%), ksi (MPa)55 (380) min
Wydłużenie (% na 2 cale)40 min
Hardness, Brinell (HB)255 max

Wydajność w różnych temperaturach

Zakres temperaturyWydajność
Temperatura pokojowaExcellent mechanical properties and corrosion resistance.
Elevated Temperatures (up to 1000°F / 538°C)Maintains strength and oxidation resistance.
Low TemperaturesRetains toughness and ductility down to cryogenic temperatures.

Zastosowania branżowe

Sektor przemysłowyAplikacje
Olej i gazDownhole equipment, subsea pipelines.
PetrochemicalHeat exchangers, chemical processing equipment.
MorskiOffshore platforms, seawater handling systems.
Wytwarzanie energiiCondensers, boiler components.

Shape, Size, and Production Standards

Formularz produktuDostępne kształtyDostępne rozmiaryStandardy produkcyjne
PościelTalerze, prześcieradłaVarious thicknessesASTM B688, ASTM B709
SłupyRound bars, hexagonal barsDiameter rangeASTM B805
Rury/RurySeamless tubes, welded pipesVarious dimensionsASTM B690, ASTM B775

Standards and Corresponding Grades

Kraj/regionStandard/Grade
USAUNS S31277
Europe1.4529
NiemcyX1NiCrMoCuN20-18-7
FrancjaZ1NCDU20.18.06Az

Welding, Processing, Polishing, Heat Treatment

ProcesDetale
SpawalniczyExcellent weldability using TIG, MIG methods.
ProcessingCold and hot forming processes. Machinable with standard methods.
PolerowanieAchieves smooth finishes suitable for sanitary applications.
Obróbka cieplnaSolution annealing at 2100°F (1150°C) followed by rapid quenching.

Cold Processing, Advantages, and Disadvantages

AspektDetale
Cold ProcessingExcellent formability and cold workability.
ZaletyHigh resistance to chloride-induced stress corrosion cracking. Good mechanical properties over a wide temperature range.
NiedogodnościHigher initial cost compared to standard stainless steels. Requires expertise in welding to prevent sensitization.

podobne produkty

Product NamePorównanie
Alloy 926 (UNS N08926)Higher molybdenum content, similar applications in aggressive environments.
Alloy 254 SMO (UNS S31254)Higher chromium and molybdenum content, excellent resistance to pitting and crevice corrosion.

Comparison of Similar Products

Właściwość/funkcjaINCOLOY Alloy 27-7MO (UNS S31277)Alloy 926 (UNS N08926)Alloy 254 SMO (UNS S31254)
Zawartość niklu (%)26.0 – 28.024.0 – 26.018.0 – 20.0
Zawartość chromu (%)26.0 – 28.019.0 – 21.019.5 – 20.5
Zawartość molibdenu (%)6.0 – 7.06.0 – 7.06.0 – 6.5
Copper Content (%)1.5 – 2.51,5 – 3,00.5 – 1.0
Nitrogen Content (%)0.25 – 0.300.15 – 0.250.18 – 0.22
Tensile Strength (ksi)115 min100 min100 min
Yield Strength (ksi)55 min45 min45 min
Wydłużenie (%)40 min40 min35 min
Resistance to SCCHighHighHigh
Typical ApplicationsOil and gas, petrochemical, marineChemical processing, marineChemical processing, marine

This structured presentation provides a detailed overview of INCOLOY Alloy 27-7MO (UNS S31277), encompassing its chemical composition, mechanical properties, performance characteristics at different temperatures, industry applications, available shapes and sizes, production standards, welding and processing capabilities, as well as the advantages, disadvantages, and comparable products. Each section is organized into tables to ensure clarity and accessibility of technical specifications and comparisons.