Incoloy 925 Flange

Incoloy 925 Flange – High-Strength Corrosion-Resistant Flanges for Critical Applications

For example, when you're getting oil from the deep sea or moving chemicals under high pressure, you need parts that won't break. When that happens, the best pick is Incoloy 925 Flange. Being in tough environments makes this part, which is made of nickel, iron, and chromium, stronger over time. Furthermore, it keeps out rust and is very stable in its structure. Because it contains molybdenum, copper, titanium, and aluminium, this product works better than regular stainless steels and more expensive superalloys." When sulphide stress cracks in sour gas wells, hydrogen weakens systems underground, and sealing surfaces break physically under high bolting loads, all of these problems can make things less safe and less effective.

What are Incoloy 925 Flanges?

These flanges are links made from the Incoloy 925 metal that were carefully forged. They are made to connect pipe systems in places that need both high mechanical strength and good defence against rust. There are many places where standard materials don't work, like the oil and gas, chemical processes, and the sea.

Specification

Physical and Chemical Properties

Chemical Composition

Mechanical Properties (After Age Hardening)

Product Standards

The product you have meets strict international standards:

• Astm B564: Specifications for forging
• Standard sizes for flanges according to ASME B16.5
• Qualification for bad service in oil and gas settings (NACE MR0175/ISO 15156)
• EN 10204: Certifications for material tests (3.1/3.2)

These approvals make sure that important systems have accurate measurements, stable metals, and can be tracked back to their source.

What are the Features of Incoloy 925 Flanges?

Your flanges have features that help with problems that come up in the real world of business:

• High Strength: Because of precipitation stiffening, it is almost twice as strong as Incoloy 825.
• Excellent resistance to pitting, crevice corrosion, and sulphide stress cracks which are all types of corrosion.
• Resistance to hydrogen embrittlement: important for high-pressure underwater and bad gas uses
• Chloride SCC Resistance: A lot of nickel keeps stress corrosion cracks from happening.
• Temperature Stability: Keeps its tensile qualities from very cold temperatures to 540°C

Production and Processing Technology

What is the Production Process of Incoloy 925 Flanges?

Our manufacturing process ensures you receive flanges with consistent quality and performance:

Step 1: Material Selection

We get high-purity nickel alloy bars from reputable providers whose credentials have been checked by spectral analysis.

Step 2: Hot Forging

To get the grain flow aligned and get rid of porosity, billets are heated to 1150–1180°C and formed in precise presses.

Step 3: Machining

CNC tools make accurate measurements based on ASME B16.5 standards, which guarantees a perfect fit.

Step 4: Solution Annealing

To break down carbides and make the grain more uniform, flanges are fired to 980–1010°C and then cooled quickly.

Step 5: Age Hardening

Heating under control at 720–760°C for 8–24 hours brings out strengthening phases (Ni₃(Ti,Al)), which achieves the desired tensile qualities.

Step 6: Surface Treatment

Oxidation is removed by pickling or grinding, leaving a clean surface that won't rust.

Step 7: Quality Inspection

Dimensional checks, strength tests, and non-destructive examinations are all done on every bolt.

Quality Inspection

Thorough quality control is important for your safety. What we do is:

• Chemical analysis: laser emission spectrometry was used to confirm the makeup.
• Tensile, yield, and extension tests according to ASTM standards
• Ultrasonic testing (UT) finds cracks and inclusions inside a material.
• Dimensional Inspection: checking the CMM against the limits set by the drawing
• Pressure tests prove the stability of the seals during hydrostatic testing.
• Testing for corrosion: NACE compliance check for bad service

Each package comes with a Material Test Report (MTR) and a certificate, which makes it possible to fully track it.

Why Choose TSM Technology?

Manufacturing Excellence

Our 50,000㎡ building has more than 100 high-precision tools that make 150 tonnes of Incoloy 925 Flange parts every month. You get goods that are very accurate and have great details on the outside.

Quality Certifications

We are certified by ISO 9001, AS9100D, and AS9120. You'll always be in line with our quality system because it follows ASTM, ASME, and EN standards.

Global Experience

We've been serving more than 70 countries for more than 14 years, so we know your technology needs and the problems you face with transportation. Our Hong Kong hub makes sure that deliveries happen on time all over the world.

Technical Support

You'll never be on your own because our metals team can help you with welding, heat treatment, and application.

Material Traceability

Each item has EN 10204 3.1/3.2 paperwork that includes the melt source, heat treatment rounds, and test results.

Package and Shipping

Your flanges are safe for shipping around the world:

• Plastic caps on the flange faces and VCI paper wraps protect the inside.
• Outside packaging includes plywood cases or steel crates for LCL shipping and bundles for filling containers.
• Heat number, size, pressure class, and customer marks are marked.
• There is a packing list, a MTR, and a business invoice.

Because we work with goods transportation companies, we can ship from big ports to anywhere in the world.

FAQ

Q1: How does Incoloy 925 differ from Incoloy 825 in flange applications?

A: While both offer similar corrosion resistance, Incoloy 925 is age-hardenable, providing nearly double the strength of 825. This makes it better for high-pressure load-bearing joints.

Q2: Can these flanges be welded to other alloys?

A: Yes, they're weldable using ERNiFeCr-2 or ERNiCrMo-3 filler metals. Post-weld heat treatment (PWHT) is often required to restore age-hardened properties.

Q3: What is the maximum service temperature?

A: They're rated for continuous service up to 540°C (1000°F). Beyond this temperature, precipitation phases may coarsen, reducing impact strength.

Q4: Are these flanges resistant to chloride-induced stress corrosion cracking?

A: Yes, the high nickel content provides near-immunity to chloride SCC in standard industrial and marine environments.

Q5: What certifications should I request?

A: Always request EN 10204 3.1 or 3.2 Material Test Reports specifying melt source, heat treatment cycle, and NACE MR0175/ISO 15156 compliance for sour service.

Q6: Do you offer customized sizes?

A: Absolutely. We support custom dimensions, special facing requirements, and unique pressure ratings based on your specifications.

Contact Us

Ready to discuss your project requirements with Incoloy 925 Flange? Our technical team is here to help.

Email: info@tsmnialloy.com