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Alloy 625 Downhole Seamless Control Line Tubing

Alloy 625 Downhole Seamless Control Line Tubing

OD: 1/8''~1/2'';
WT: 0.025''~0.065'';
Working Pressure: 60~120MPa;
Length: 50~4000 meters/reel;

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Product Details

Alloy 625 Downhole Seamless Control Line Tubing

Alloy 625 is a low carbon Ni-Cr-Nb alloy which shows excellent resistance to a variety of corrosion media.


Alloy 625 is characterized by:

* Outstanding resistance to pitting, crevice corrosion, impingement corrosion and intergranular attacks;

* Almost complete freedom from chloride-induced stress-corrosion cracking;

* Good resistance to mineral acids, such as nitric, phosphoric, sulphuric and hydrochloric acids;

* Good resistance to alkalis and organic acids;

* Good mechanical properties

 

Chemical Composition:

Nickel…………………………………………….…………58.0 min.

Chromium………………………………………..………20.0-23.0

Iron………………………………………………..…………5.0 max.

Molybdenum……………………………….……...………8.0-10.0

Niobium (plus Tantalum)……………………………..…3.15-4.15

Carbon……………………………………………..……….0.10 max.

Manganese………………………………………....……0.50 max.

Silicon……………………………….…………...…………0.50 max.

Phosphorus……………………………………….……….0.015 max.

Sulfur…………………………………..……….…..……..0.015 max.

Aluminum…………………………………………………..0.40 max.

Titanium……………………………….……………………0.40 max.

Cobalta ……………………………………………………….1.0 max.

 

Physical Properties:

Density: 0.303 lb/in3 (8.44 g/cm3 )

Specific Gravity: 8.44

Melting Range: 2350 – 2460°F (1280 – 1350°C)

Specific Heat: 0.098 Btu/lb X °F (410 Joules/kg X °K)

Magnetic Permeability: (75°F, 200 oersted): 1.0006

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