ASTM B366 UNS N08825 Butt Weld Fitting with High Corrosion & Acid Resistance

ASTM B366 UNS N08825 Butt Weld Fitting with High Corrosion & Acid Resistance

Why Choose MTSCO for Nickel Alloy Butt Weld Fittings?

MTSCO is a supplier specializing in industrial metal piping systems, offering products such as pipes, fittings, flanges, and plates. Since 2010, MTSCO has invested in and partnered closely with the Hongdi factory, serving as its exclusive international sales center responsible for global marketing and sales.

MTSCO’s products comply with standards such as ASTM, EN, and JIS. Our materials include stainless steel, duplex steel, and nickel alloys, widely used in the chemical, energy, and fluid transport sectors. We also provide one-stop integrated services for pipes, fittings, and flanges to meet the comprehensive procurement needs of engineering projects.

Hongdi is a specialized fittings manufacturer backed by MTSCO’s investment and partnership, boasting approximately 20 years of experience in the industry.

Specification Table

Factory Introduction

The factory covers an area of about 7,000 square meters with a monthly production capacity of 200 tons, primarily producing butt weld fittings such as elbows, tees, reducers, caps, stub ends, and crosses.

The facility is equipped with key machinery—including CNC lathes, automatic laser cutting machines, 1,000-ton hydraulic presses, and elbow mandrel forming machines—and possesses in-house laboratory testing capabilities. Through years of technical upgrades, Hongdi has established mature processes for forming, heat treatment, surface treatment, dimensional inspection, and packaging/shipping, ensuring we meet customer delivery requirements.

How are butt weld fittings manufactured?

The manufacturing of Alloy 825 butt weld fittings encompasses the entire process: raw material re-inspection, cutting, forming, heat treatment, end beveling, surface treatment, dimensional inspection, and final packaging. We precisely match the most suitable forming process to the product's geometry, dimensions, and wall thickness, ensuring structural integrity right from the source.

Material Properties of Alloy 825 Nickel Alloy

Alloy 825 (UNS N08825) is a nickel-iron-chromium alloy containing molybdenum, copper, and titanium. Nickel and chromium provide excellent overall corrosion resistance; molybdenum enhances resistance to pitting and crevice corrosion; copper improves corrosion resistance in reducing acidic media; and titanium helps stabilize the material structure, reducing the risk of intergranular corrosion.

Applications

ASTM B366 UNS N08825 butt-weld fittings are suitable for the following fields:

·Chemical processing

·Acid service

·Oil & gas

·Heat exchangers

·Seawater-related equipment

·Corrosive fluid pipelines

FAQ

Q1: Can these be purchased together with pipes and flanges?

A1: Yes. MTSCO can supply pipes, butt-weld fittings, flanges, and plates together, allowing customers to unify material specifications, standards, packaging, and shipping schedules.

Q2: For which corrosive environments are UNS N08825 fittings suitable?

A2: UNS N08825 is suitable for acidic media, chloride-containing environments, and pipelines carrying corrosive fluids.

Q3: What types of butt-weld fittings can MTSCO supply?

A3: MTSCO supplies common types such as 45°/90°/180° elbows, equal tees, reducing tees, concentric reducers, eccentric reducers, caps, crosses, and stub ends.

Q4: What inspections are typically performed on the fittings before shipment?

A4: Standard inspections include visual inspection, dimensional checks, PMI (Positive Material Identification), penetrant testing, radiographic testing, and hydrostatic testing. Mechanical property testing, chemical composition analysis, or third-party inspections can also be arranged based on order requirements.