Inconel 690

Nickel-based alloy flanges are essential components used across various industries owing to their superior properties, such as excellent corrosion resistance, high temperature handling capabilities, and exceptional mechanical strength. These flanges are employed in demanding environments where other materials would fail, ensuring the reliability and longevity of installations in sectors ranging from aerospace to chemical processing. Here, we delve into the detailed aspects of nickel-based alloy flanges to provide a comprehensive understanding of their composition, properties, applications, and more.

Nickel-Based Alloy Composition

Alliage de nickelNickel (Ni)Chrome (Cr)Molybdène (Mo)Fer (Fe)Les autres
Inconel 62558%20-23%8-10%5%Nb, C, Mn, Si, S, Al, Ti, Co
Hastelloy C27657%15.5%16%5%W, Co, V
Monels 40063%2.5%Cu, Mn, Si, C, S, Fe
Nickel 20099.6%0.4%Cu, Mn, Si, C, S, Fe

Propriétés mécaniques

Alliage de nickelRésistance à la traction (MPa)Limite d'élasticité (MPa)Allongement (%)Dureté (Brinell)
Inconel 62595043030%220
Hastelloy C27679035540%200
Monels 400550-62024035%150
Nickel 20038010040%110

Performances à différentes températures

Alliage de nickelLow Temp (-196°C)Medium Temp (500°C)High Temp (1000°C)
Inconel 625ExcellentExcellentBon
Hastelloy C276ExcellentExcellentBon
Monels 400ExcellentBonOuvrage écroui par laminage puis stabilisé par traitement thermique à basse température jusqu'au quart de dur
Nickel 200BonOuvrage écroui par laminage puis stabilisé par traitement thermique à basse température jusqu'au quart de durNon recommandé

Applications industrielles

Alliage de nickelIndustrieApplication
Inconel 625Aerospace, Oil & GasJet engines, Turbines, Drilling Rigs
Hastelloy C276Chemical Processing, Power GenerationReactors, Heat Exchangers, Boilers
Monels 400Marine, Chemical ProcessingShipbuilding, Desalination
Nickel 200Electrical, Chemical ProcessingConductors, Storage Tanks

Normes de forme, de taille et de production

ParamètrePossibilités
FormeCircular, Square, Rectangular, Custom
TailleVarious sizes – From 1/2 inch to 60 inches
NormesANSI, ASME, DIN, JIS, BS, ISO, EN

Normes et notes correspondantes

PaysStandardClasse
Etats-UnisASTM B564Inconel 625, Hastelloy C276, Monel 400, Nickel 200
AllemagneA PARTIR DE 177442.4856, 2.4819, 2.4360, 2.4066
JaponJIS H4551NCF 625, NCF 276, NCF 400
Royaume-UniBS 3076NA 21, NA 22, NA 13

Soudage, traitement, polissage et traitement thermique

TraiterDétails
SoudageTIG, MIG, GTAW, SMAW
TraitementForging, Machining, Rolling
PolissageMechanical, Electropolishing, Buffing
Traitement thermiqueAnnealing, Solution Treatment, Aging

Traitement à froid et traitement thermique

Alliage de nickelTraitement à froidTraitement thermique
Inconel 625Cold rolling, Cold drawingSolution annealing at 1093-1204°C
Hastelloy C276Cold rolling, Cold drawingSolution annealing at 1121-1177°C
Monels 400Cold rolling, Cold drawingStress Relief at 594-649°C
Nickel 200Cold rolling, Cold drawingAnnealing at 649-760°C

Advantages and Disadvantages of Nickel-Based Alloys

Alliage de nickelAvantagesDésavantages
Inconel 625High strength, Corrosion resistanceExpensive, Difficult to machine
Hastelloy C276Superior corrosion resistanceVery expensive, Limited availability
Monels 400Excellent in marine environmentsLower high-temp performance, Costly
Nickel 200Good electrical conductivity, CheapPoor high-temp performance, Soft material

Produits similaires et comparaison

Alliage de nickelSimilar ProductComparaison
Inconel 625Incoloy 825, Hastelloy XInconel 625 has better high-temp resistance
Hastelloy C276Incoloy 800, Alloy 20C276 offers better corrosion resistance
Monels 400Cupronickel, Aluminum-BronzeMonel 400 better corrosion resistance but more costly
Nickel 200Stainless Steel 304, 316Nickel 200 better in caustic environments

With their diverse properties and tailored applications, nickel-based alloy flanges play a pivotal role in ensuring the durability, safety, and efficiency of various industrial processes. The advantages they offer, from high corrosion and temperature resistance to unique mechanical properties, make them indispensable despite some production and cost-related challenges. Understanding these flanges in detail helps in making informed decisions for their optimal application in respective industries.