Inconel 625 Flanges

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Inconel 625 Flanges Specification

Feature
Corrosion Resistant, High Strength, Oxidation Resistance, Durability

Grade
UNS N06625, Alloy 625

Purity
Nickel content approximately 58% minimum

Application
Petrochemical Industry, Power Plants, Offshore, Chemical Processing, Aerospace, Marine Engineering

Dimension (L*W*H)
As per drawing or ASTM/ASME standard

Product Type
Pipe Flange

Material
Inconel 625 (Nickel-Chromium Alloy)

Standard
ASTM B564, ASME SB564, DIN, EN, JIS, GB, IS, BS

Shape
Round, Square, Custom

Surface
Bright, Black, Polished, Rough

Connection
Weld Neck, Slip On, Threaded, Blind, Socket Weld, Lap Joint

Technics
Forged, Machined

Pressure
Class 150 to 2500 LBS, PN6 to PN400

Size
1/2 inch to 48 inch (DN15 to DN1200)

Color
Silver, Metallic Grey

About Inconel 625 Flanges

What Are Specification Inconel 625 Flanges?

Standards	GOST Flange, JISB2220, BS1560-3.1, API7S-15, API7S-43, API605, EN1092, BS, BS4504, BS 10, EN-1092, DIN, ANSI, ASME, DIN, MSS S44, ISO70051, ANSI/ASME B16.5, ASME/ANSI B16.5/16.36/16.47A/16.47B, B16.47 Series A & B, B16.48, EN
Pressure Rating ANSI	Class 1500, Class 150, Class 900, Class 2500, Class 300, Class 600,
Pressure Calculation in DIN	10Bar, 16Bar, 25Bar, 40Bar, 6Bar, / PN16, PN64, PN40, PN25, PN10, PN6
JIS	16 K, 20 K, 5K, 10 K, 40 K, 63 K, 30 K,
UNI	10Bar 16Bar 6Bar 25Bar 40Bar
EN	6Bar 25Bar 40Bar 10Bar 16Bar
Most common Types	Threaded / Screwed / Forged / Plate
Production technique	Forged, Heat treated and machined
Shapes and Types we produce	Large Male-Female (LMF), Ring Type Joint (RTJ), Flat Face (FF), Small Tongue, Small Male-Female (SMF),Raised Face (RF), Large Tongue & Groove, Groove, Lap-Joint Face (LJF)
Test	Direct-reading Spectrograph, Magnetic particle detector, Hydrostatic testing machine, X-ray detector, UI trasonic flaw detector
Equipment	Pushing Machine, Press machine, Bending machine, Sand-blasting machine, electric bevelling machine etc

Equivalent material Of Inconel 625 Flanges?

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Inconel 625	8.4 g/cm3	1350 ?C (2460 ?F)	Psi ? 1,35,000 , MPa ? 930	Psi ? 75,000 , MPa ? 517	42.5 %

Chemical Composition Of Inconel 625 Flanges?

Element	Density	Melting Point	Tensile Strength	Yield Strength (0.2%Offset)	Elongation
Inconel 625	8.4 g/cm3	1350 ?C (2460 ?F)	Psi ? 1,35,000 , MPa ? 930	Psi ? 75,000 , MPa ? 517	42.5 %

Mechanical Properties Of Inconel 625 Flanges?

Grade	C	Mn	Si	S	Cu	Fe	Ni	Cr
Inconel 625	0.10 max	0.50 max	0.50 max	0.015 max	?	5.0 max	58.0 min	20.0 ? 23.0

Superior Corrosion and Oxidation Resistance

Inconel 625 flanges are engineered to withstand highly corrosive and oxidizing environments, ensuring long-term structural integrity. The nickel-chromium composition, with at least 58% nickel, renders these flanges highly resistant to pitting, crevice corrosion, and stress-corrosion cracking. This makes them ideal for offshore, marine, chemical, and power plant applications where durability is paramount.

Exceptional Mechanical Strength and Versatility

With a minimum tensile strength of 827 MPa and yield strength of 414 MPa, Inconel 625 flanges maintain high performance even at elevated temperatures up to their melting range of 12901350C. Their adaptability across a range of sizes (1/2 inch to 48 inches), connection types, and pressure classes (Class 150 to 2500 LBS, PN6 to PN400) makes them suitable for diverse industries and custom applications.

Comprehensive Standards and Quality Assurance

Manufactured to rigorous industry standards including ASTM B564, ASME SB564, DIN, EN, JIS, GB, IS, and BS, Inconel 625 flanges undergo strict quality controls. Available in various finishes and packaging options, these flanges can be tailored to specific client requirements, guaranteeing performance, safety, and reliability throughout their lifespan.

FAQs of Inconel 625 Flanges:

Q: How are Inconel 625 flanges typically used in industrial applications?

A: Inconel 625 flanges are commonly employed in petrochemical plants, power stations, marine engineering, aerospace, and chemical processing industries. Their excellent resistance to corrosion and high mechanical strength make them ideal for connecting piping systems or equipment exposed to aggressive chemicals or severe operating conditions.

Q: What are the benefits of selecting Inconel 625 flanges over traditional stainless steel flanges?

A: Choosing Inconel 625 flanges offers superior resistance to high-temperature oxidation, chloride-induced stress-corrosion cracking, and aggressive chemical environments. They provide enhanced durability and longevity, reducing maintenance needs and ensuring performance in challenging applications where standard stainless steel may fail.

Q: When should I opt for a specific flange face type like RF, FF, or RTJ?

A: Flange face type selection depends on the sealing requirements, pressure ratings, and application environment. Raised Face (RF) is widely used for general process piping, Flat Face (FF) suits low-pressure or cast iron systems, while Ring Type Joint (RTJ) is ideal for high-pressure, high-temperature scenarios, enhancing gasket compression and sealing integrity.

Q: What manufacturing process is used for Inconel 625 flanges?

A: These flanges are typically produced through forging and machining, yielding superior grain structure and mechanical properties. This process ensures material uniformity, dimensional accuracy, and the ability to withstand demanding service environments.

Q: Where are Inconel 625 flanges exported or supplied from?

A: As exporters, manufacturers, suppliers, and traders based in India, these flanges are shipped globally to meet international demands, adhering to relevant ASTM, ASME, and other standards. Custom packaging options such as wooden cases, pallets, and plastic wrap ensure safe transit.

Q: How does the end finishsuch as smooth, serrated, or spiral serratedimpact flange usage?

A: End finish determines the sealing effectiveness between the flange and gasket. Smooth finishes suit soft gaskets and moderate pressure, serrated surfaces enhance gasket grip for higher pressure applications, while spiral serrated finishes improve seal integrity under cyclic thermal and mechanical conditions, making them suitable for critical services.

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