Excellent mechanical properties and corrosion resistance.
Elevated Temperatures (up to 1000°F / 538°C)
Maintains strength and oxidation resistance.
Low Temperatures
Retains toughness and ductility down to cryogenic temperatures.
Branchenanwendungen
Industriesektor
Anwendungen
Öl und Gas
Downhole equipment, subsea pipelines.
Petrochemie
Heat exchangers, chemical processing equipment.
Marine
Offshore platforms, seawater handling systems.
Energieerzeugung
Condensers, boiler components.
Form, Größe und Produktionsstandards
Produkt Form
Verfügbare Formen
Verfügbare Größen
Produktionsstandards
Blätter
Platten, Blätter
Verschiedene Stärken
ASTM B688, ASTM B709
Riegel
Rundstäbe, Sechskantstäbe
Durchmesserbereich
ASTM B805
Rohre/Rohre
Nahtlose Rohre, geschweißte Rohre
Various dimensions
ASTM B690, ASTM B775
Standards und entsprechende Noten
Land/Region
Standard/Klasse
USA
UNS S31277
Europa
1.4529
Deutschland
X1NiCrMoCuN20-18-7
Frankreich
Z1NCDU20.18.06Az
Schweißen, Bearbeiten, Polieren, Wärmebehandlung
Verfahren
Einzelheiten
Schweißen
Excellent weldability using TIG, MIG methods.
wird bearbeitet
Cold and hot forming processes. Machinable with standard methods.
Polieren
Achieves smooth finishes suitable for sanitary applications.
Wärmebehandlung
Solution annealing at 2100°F (1150°C) followed by rapid quenching.
Kaltverarbeitung, Vor- und Nachteile
Aspekt
Einzelheiten
Kaltverarbeitung
Excellent formability and cold workability.
Vorteile
High resistance to chloride-induced stress corrosion cracking. Good mechanical properties over a wide temperature range.
Nachteile
Higher initial cost compared to standard stainless steels. Requires expertise in welding to prevent sensitization.
Ähnliche Produkte
Produktname
Vergleich
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.
Vergleich ähnlicher Produkte
Eigenschaft/Funktion
INCOLOY Alloy 27-7MO (UNS S31277)
Alloy 926 (UNS N08926)
Alloy 254 SMO (UNS S31254)
Nickelgehalt (%)
26.0 – 28.0
24.0 – 26.0
18.0 – 20.0
Chromgehalt (%)
26.0 – 28.0
19.0 – 21.0
19.5 – 20.5
Molybdängehalt (%)
6.0 – 7.0
6.0 – 7.0
6.0 – 6.5
Copper Content (%)
1,5 – 2,5
1,5 – 3,0
0.5 – 1.0
Nitrogen Content (%)
0.25 – 0.30
0.15 – 0.25
0.18 – 0.22
Zugfestigkeit (ksi)
115 Min
100 Min
100 Min
Streckgrenze (ksi)
55 Min
45 Min
45 Min
Dehnung (%)
40 Min
40 Min
35 min
Resistance to SCC
High
High
High
Typical Applications
Oil and gas, petrochemical, marine
Chemical processing, marine
Chemical 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.
