Meilong Tube supplies a whole range of products to the oil and gas sector, and it’s one of our most important markets. You’ll find our high performance tubes successfully used in some of the most aggressive subsea and downhole conditions thanks to our proven track record in meeting the strict quality requirements of the oil, gas and geothermal energy industries.
Improving technology has extended the range of ways in which oil and gas fields can be exploited, and increasingly projects require the use of long, continuous lengths of stainless steel control lines. These are employed in a variety of applications including hydraulic controls, instrumentation, chemical injection, umbilicals and flowline control. Meilong Tube supplies products for all of these applications, and more, lowering operating costs and improved recovery methods for our customers.
Alloy Feature
Incoloy alloy 825 is a nickel-iron-chromium alloy with additions of molybdenum and copper. This nickel steel alloy’s chemical composition is designed to provide exceptional resistance to many corrosive environments. It is similar to alloy 800 but has improved resistance to aqueous corrosion. It has excellent resistance to both reducing and oxidizing acids, to stress-corrosion cracking, and to localized attack such as pitting and crevice corrosion. Alloy 825 is especially resistant to sulfuric and phosphoric acids. This nickel steel alloy is used for chemical processing, pollution-control equipment, oil and gas well piping, nuclear fuel reprocessing, acid production, and pickling equipment.
Product Display
Alloy Materials
Austenitic:
316L
ASTM A-269
Duplex:
S31803/S32205
ASTM A-789
S32750
ASTM A-789
Nickel alloy:
N08825
ASTM B-704; ASTM B-423
N06625
ASTM B-704; ASTM B-444
CuNi alloy
Monel 400
ASTM B-730; ASTM B-165
Application
Capillary coiled alloy tubing for chemical injection.
Bare and encapsulated hydraulic control line coiled alloy tubing for subsea safety valves.
Velocity strings, work strings, and steel tube umbilicals.
