Wholesale Price China Inconel 625 Chemical Injection Tubing - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG

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We are convinced that with joint endeavours, the small business between us will bring us mutual benefits. We could assure you products quality and competitive selling price for Alloy 825 Capillary Tube, Alloy 625 Capillary Tubing Control Line, Monel 400 Control Line Tube, As a key enterprise of this industry, our corporation makes attempts to become a leading supplier, depending on the faith of expert excellent & throughout the world assistance.
Wholesale Price China Inconel 625 Chemical Injection Tubing - 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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Wholesale Price China Inconel 625 Chemical Injection Tubing - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG detail pictures


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Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for Wholesale Price China Inconel 625 Chemical Injection Tubing - Super Duplex 2507 Capillary Tube Chemical Injection Line – MEILONG , The product will supply to all over the world, such as: Belgium, Iraq, Ethiopia, With a wide range, good quality, reasonable prices and stylish designs, our products are extensively used in public placesand other industries. Our products are widely recognized and trusted by users and can meet continuously developing economic and social needs. We welcome new and old customers from all walks of life to contact us for future business relationships and achieving mutual success!
  • A nice supplier in this industry, after a detail and careful discussion, we reached a consensus agreement. Hope that we cooperate smoothly.
    5 Stars By Stephanie from Milan - 2017.10.13 10:47
    We feel easy to cooperate with this company, the supplier is very responsible, thanks.There will be more in-depth cooperation.
    5 Stars By Sandra from Sudan - 2017.10.23 10:29
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