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UNS N06625/DIN W. NR. 2.4856 Ultra-Durable Seamless Pipe for Harsh Environments

Alloy 625 has excellent strength at temperatures up to 816℃.At higher temperatures, its strength is generally lower than that of other solid solution strengthened alloys.
Alloy 625 has good oxidation resistance at temperatures up to 980℃ and shows good resistance to aqueous corrosion, but it is relatively moderate compared to other more capable corrosion resistant alloys.
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Overview


UNS N06625/DIN W. NR. 2.4856 Seamless Pipe represents the epitome of advanced engineering in alloy manufacturing. Composed of a nickel-chromium-molybdenum-niobium alloy, this seamless pipe is meticulously crafted to deliver unparalleled performance in the most challenging conditions. Its seamless structure eliminates potential weak points, ensuring consistent strength and integrity throughout its length, making it a reliable choice for industries that demand top-notch material quality.


Features


The standout feature of UNS N06625 seamless pipe is its exceptional corrosion resistance. It demonstrates remarkable durability against a wide spectrum of corrosive media, including chloride ions, seawater, and various aggressive acids. The high chromium and molybdenum content in the alloy forms a stable passive film on the surface, effectively preventing oxidation and chemical attacks. Moreover, it excels in high-temperature applications, maintaining excellent mechanical properties even at temperatures up to 1093°C (2000°F). This pipe also offers outstanding fatigue resistance, allowing it to withstand cyclic loading without premature failure. Its excellent weldability further enhances its practicality, enabling easy installation and maintenance.


Application


In the oil and gas industry, this seamless pipe is widely utilized for subsea pipelines, risers, and wellhead equipment. It endures the harsh marine environment, resisting corrosion from seawater and the erosive effects of flowing hydrocarbons. In chemical processing plants, it is employed to handle aggressive chemicals, such as sulfuric acid, hydrochloric acid, and phosphoric acid, ensuring safe and reliable transportation. In power generation, it is used in heat exchangers, boilers, and superheaters, where its high-temperature resistance and corrosion stability are crucial. Additionally, the aerospace sector benefits from its properties, using it for components that require both strength and corrosion resistance in extreme altitudes and temperatures.


Why Choose Us


Opting for our UNS N06625/DIN W. NR. 2.4856 Seamless Pipe offers distinct advantages. Our manufacturing facilities are equipped with cutting-edge technology, enabling us to produce pipes with precise dimensional tolerances and consistent quality. We adhere to strict quality control measures that comply with international standards, such as ASTM B444 and ASME SB-444, guaranteeing the reliability of each product. Our extensive inventory ensures quick availability of various sizes, and we also provide customized solutions to meet specific project requirements. With a team of experienced engineers and a dedicated customer service team, we offer comprehensive technical support throughout the procurement and installation process, ensuring a seamless experience for our clients.


UNS N06625/DIN W. NR. 2.4856 Seamless Pipe
UNS N06625/DIN W. NR. 2.4856 Seamless Pipe
UNS N06625/DIN W. NR. 2.4856 Seamless Pipe

Chemical Composition

%

Ni

Cr

Mo

Nb+Ta

Fe

Al

Ti

C

Mn

Si

Co

P

S

MIN

58.00

20.00

8.00

3.15










MAX


23.00

10.00

4.15

5.00

0.40

0.40

0.10

0.5

0.5

1

0.015

0.015


Specification

Physical Properties

Seamless pipe and tube

ASTM B 444, B 829

DENSITY

8.44g/cm3

MELTING RANGE

1290-1350℃


Specifications Of UNS N06625/DIN W. NR. 2.4856 Seamless Pipe

OD: 1mm-325mm

WALL THICKNESS:  0.2mm-20mm

Max Length:12m (Special specifications are available as required)

Production Processes

UNS N06625/DIN W. NR. 2.4856 Seamless Pipe

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