factory customized Alloy 825 Chemical Injection Line Tube - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG

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The purchaser fulfillment is our primary focus on. We uphold a consistent level of professionalism, high quality, credibility and service for Alloy 625 Chemical Injection Line Tube, N08825 Control Line Tubing, N08825 Capillary String, As a leading manufacture and exporter, we appreciate a great status inside the international markets, especially in America and Europe, because of our top high-quality and sensible charges.
factory customized Alloy 825 Chemical Injection Line Tube - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG Detail:

Product introduction

One of the main challenges in the upstream processes of the oil and gas industry is to protect pipeline and process equipment against waxes, scaling and asphalthane deposits. The engineering disciplines involved in flow assurance play an essential part in mapping the requirements that reduce or prevent loss of production due to pipeline or process equipment blockage. Coiled tubing from Meilong Tube is applied to umbilicals and chemical injection systems play an effective role in chemical storage and delivery at an optimizing flow assurance.

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Super Duplex 2507 Capillary Tube Chemical Injection Line (2)
Super Duplex 2507 Capillary Tube Chemical Injection Line (3)

Alloy Feature

Duplex 2507 is a super duplex stainless steel designed for applications which demand exceptional strength and corrosion resistance. Alloy 2507 has 25% chromium, 4% molybdenum, and 7% nickel. This high molybdenum, chromium and nitrogen content results in excellent resistance to chloride pitting and crevice corrosion attack and the duplex structure provides 2507 with exceptional resistance to chloride stress corrosion cracking.

Usage of Duplex 2507 should be limited to applications below 600° F (316° C). Extended elevated temperature exposure can reduce both the toughness and corrosion resistance of alloy 2507.

Duplex 2507 possesses excellent mechanical properties. Often a light gauge of 2507 material can be used to achieve the same design strength of a thicker nickel alloy. The resulting savings in weight can dramatically reduce the overall cost of fabrication.

Corrosion Resistance

2507 Duplex is highly resistant to uniform corrosion by organic ac Super Duplex 2507 Plateids such as formic and acetic acid. It is also highly resistant to inorganic acids, especially if they contain chlorides.  Alloy 2507 is highly resistant to carbide-related intergranular corrosion.  Due to the ferritic portion of the duplex structure of the alloy it is very resistant to stress corrosion cracking in warm chloride containing environments. Through additions of chromium, molybdenum and nitrogen localized corrosion such as pitting and crevice attack are improved.  Alloy 2507 has excellent localized pitting resistance.

Dimensional Tolerance

ASTM A789 / ASME SA789, Super Duplex 2507, UNS S32750
Size OD Tolerance OD Tolerance WT
<1/2’’ (<12.7 mm) ±0.005’’ (±0.13 mm) ±15%
1/2’’ ≤OD≤1’’ (12.7≤OD≤25.4 mm) ±0.005’’ (±0.13 mm) ±10%
Meilong Standard
Size OD Tolerance OD Tolerance WT
<1/2’’ (<12.7 mm) ±0.004’’ (±0.10 mm) ±10%
1/2’’ ≤OD≤1’’ (12.7≤OD≤25.4 mm) ±0.004’’ (±0.10 mm) ±8%

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factory customized Alloy 825 Chemical Injection Line Tube - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG detail pictures


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Our purpose is to fulfill our clients by offering golden company, great price and premium quality for factory customized Alloy 825 Chemical Injection Line Tube - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG , The product will supply to all over the world, such as: Mecca, Sudan, Albania, If you give us a list of products you are interested in, along with makes and models, we can send you quotations. Please email us directly. Our goal is to establish long-term and mutually profitable business relationships with domestic and overseas clients. We look forward to receiving your reply soon.
  • Customer service staff and sales man are very patience and they all good at English, product's arrival is also very timely, a good supplier.
    5 Stars By Lillian from Mombasa - 2017.03.28 12:22
    Factory equipment is advanced in the industry and the product is fine workmanship, moreover the price is very cheap, value for money!
    5 Stars By Agnes from Vancouver - 2017.05.02 18:28
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