Products Descriptions
โย Product name:ย Pipeline Steel Tubing
โย Standards: AISI, ASTM, BS, DIN, GB, JIS
โย Place of origin: Tianjin, China (Mainland)
โย Brand name: Runfei
โย Payment terms: L/C, T/T (30% deposit)
โย Certifications: ISO 9001, SGS, RoHS Directive-compliant
โย Packing details: Standard seaworthy packing, horizontal type and vertical type are all available
Our Advantages
โย We can provide factory price with trading company services
โย We control production quality very strictly to keep none compensation
โย We guarantee 24 hours response and 48 hours solution providing service
โย We accept small order quantity before formal cooperation
โย We offer good quality with reasonable price, faster delivery with better payment terms
โย We have professional teams and the factory
โย It’s very important for a company to be honest in the process of trading and so do we
Carbon steel pipe is used as the base pipe of bimetallic combination tubing, which has an internal liner made of stainless steel, titanium alloy steel, copper or aluminum, and so on. This type of tubing has high mechanical performance, high corrosion resistance, high weldability, high operational convenience, and high safety. It combines a surface coating technique that has low cost and wide usable range with a corrosion-resisting alloying technique that has complete structure and high tightness (no blowhole) of material; thus, it has high applicability.
Application of bimetallic combination tubing
Bimetallic combination tubing has higher resistance to corrosion in comparison with carbon steel pipe and has cost superiority in comparison with diphase stainless steel and nickel-based alloy steel. Thus it is widely applied in the oil and gas industry and has very high cost performance especially under high chloride corrosion environment conditions. In the light of different corrosion environments, there are SSC-resistant tubing and casing, CO2-resistant tubing and casing, and tubing and casing that can resist SSC, chloride, and carbon dioxide.
The studies and experience indicate that the application of nickel-based alloy steel in high sour environments is greatly restricted due to its cost, which is 20 to 25 times the cost of corrosion-resistant steel, despite the fact that it has high resistance to corrosion in high sour environments. The bimetallic combination pipe that has been developed combines the high corrosion resistance of corrosion-resistant alloy with the high mechanical performance of carbon steel or low-alloy pipe:
a. In comparison with nickel-based alloy steel, its strength is increased, its weight is reduced, and its cost is reduced by about 100%.
b. In comparison with carbon steel, its corrosion resistance is obviously increased, thus solving the puzzle of the corrosion problem.
c. It has very high cost performance and involves the outstanding performances of both carbon steel and corrosion-resistant alloy steel. Its corrosion resistance is the same as that of corrosion-resistant alloy steel. Its cost is reduced by 70% to 80%. Its service life is 10 to 15 times the service life of corrosion-resistant steel.
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