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S32750/2507 Multi-core Tubing
S32750 is a super duplex stainless steel alloy with excellent corrosion resistance and high strength, especially in chloride environments, showing strong resistance to pitting and stress corrosion cracking. Its unique multiphase structure enables it to achieve the best balance between corrosion resistance and mechanical properties. It is suitable for the manufacture of multi-core tubing and is widely used in offshore oil drilling, chemical industry, papermaking and seawater desalination. It is especially suitable for high corrosion, high pressure and high temperature conditions, which can effectively extend the service life of equipment and ensure safe operation.
Parameter Table：
Grade | Alloy 825/N08825, Alloy 625 /N06625, Alloy 400/ N04400, 2205, 2507, TP316/L, TP304/L, etc |
Hole count | Single/Multi Core |
Outer diameter | 1/4’’, 3/8’’, 1/2’’ |
Wall thickness | 0.035’’, 0.049’’, 0.065’’ |
Encapsulation materials | ETFE, FEP, HDPE, PFA, PP, PVDF, TPV, etc |
Length | According to customers’ needs, up to 33000fts/coil |
Standard | ASTM A269/A213/A789/B704/B163,etc. |
Type | Encapsulated fiber cable, encapsulated cable, hybrid cable, load bearable detective cable, flat-pack cable |
Certificate | ISO/CCS/DNV/BV/ABS, etc. |
Inspection | NDT; Hydrostatic test |
Package | Wooden or iron reel |
Chemical Composition：
UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
max | max | max | max | max | ||||||
S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 | 0.08 - 0.20 | - |
2205 | ||||||||||
S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | 0.14 - 0.20 | - |
S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.5 max |
2507 | ||||||||||
S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 -1.00 |
Physical Property:
Steel grade | Physical Property | |||
Y.S | T.S | EL. | HRB | |
S31803 | ≥450 | ≥620 | ≥25 | - |
S32205/2205 | ≥450 | ≥620 | ≥25 | - |
S32750/2507 | ≥550 | ≥800 | ≥15 | ≤32 |
S32760 | ≥550 | ≥750 | ≥45 | ≤29 |
Factory advantages and features:
MTSCO has been specializing in providing high quality continuous tubing services to the global geothermal, heat exchanger, shipbuilding, and oil and gas industries since 2006. We are able to produce to a wide range of international standards, covering key materials such as 304, 316, 2205, 2507, Alloy 625 and Alloy 825. We have made significant achievements in the field of continuous tubulars, downhole control lines and chemical injection control lines, and our main products include welded and seamless continuous tubulars, mono-core and multi-core control lines, and capillary tubing.
The five main advantages of choosing Mtsco include:
One, we offer welded coiled tubing up to 33,000 feet per coil.
Two, our welded coils can withstand hydrostatic testing up to 100 MPA.
Three, our seamless coils can weigh up to 120 kilograms per roll.
Fourth, we offer a wide selection of packaging materials to suit different needs.
Fifth, our products are ISO/PED certified, ensuring high standards of product quality and standards.
Quality Control Method：
We use a strict triple quality control system to ensure product quality. First, the raw materials must come from large steel mills such as POSCO, JISCO, ANSTEEL, ATI, NYK, Outokumpu, TSINGSHAN, Baosteel, WALSIN, etc., and come with MTC and PMI certificates. After the raw materials arrive at the factory, we will conduct PMI and other re-inspections again to ensure that they meet the standards.
Secondly, the production process is fully traceable. Including key processes such as welding, cold drawing, bright annealing and plastic coating, all are monitored by experienced engineers throughout the process, and QC personnel take photos and records each process to ensure that each step is accurate and controllable.
Finally, all factory products must undergo 100% full inspection, including appearance, PMI, size, quantity, mechanical properties, hardness, air tightness, UT, ET, HT and other tests. All coils pass the high-pressure test of 40MPa~100MPa, and support inspection by third-party agencies such as SGS, TUV, BV, etc.
Product Packaging：
Plastic Packaging Materials | Abbreviation | Temperature℃ |
Ethylene Tetrafluoroethylene | ETFE | -60℃~150℃ |
Fluoronated Ethylene Propylene | FEP | -110℃~200℃ |
High Density Polyethylene | HDPE | -60℃~100℃ |
Perfluoroalkoxy | PFA | -80℃~260℃ |
Modified Polypropylene | PP | 30℃~150℃ |
Polyvinylidene Fluoride | PVDF | -30℃~150℃ |
Thermoplastic Vulcanizating | TPV | -30℃~150℃ |
Nylon11 | PA11 | -30℃~150℃ |
Package | Level wound, the smaller dimensions level wound on wooden or plastic spools per coil, the packed by plywood case | |
S32750/2507 Multi-core Tubing
S32750 is a super duplex stainless steel alloy with excellent corrosion resistance and high strength, especially in chloride environments, showing strong resistance to pitting and stress corrosion cracking. Its unique multiphase structure enables it to achieve the best balance between corrosion resistance and mechanical properties. It is suitable for the manufacture of multi-core tubing and is widely used in offshore oil drilling, chemical industry, papermaking and seawater desalination. It is especially suitable for high corrosion, high pressure and high temperature conditions, which can effectively extend the service life of equipment and ensure safe operation.
Parameter Table：
Grade | Alloy 825/N08825, Alloy 625 /N06625, Alloy 400/ N04400, 2205, 2507, TP316/L, TP304/L, etc |
Hole count | Single/Multi Core |
Outer diameter | 1/4’’, 3/8’’, 1/2’’ |
Wall thickness | 0.035’’, 0.049’’, 0.065’’ |
Encapsulation materials | ETFE, FEP, HDPE, PFA, PP, PVDF, TPV, etc |
Length | According to customers’ needs, up to 33000fts/coil |
Standard | ASTM A269/A213/A789/B704/B163,etc. |
Type | Encapsulated fiber cable, encapsulated cable, hybrid cable, load bearable detective cable, flat-pack cable |
Certificate | ISO/CCS/DNV/BV/ABS, etc. |
Inspection | NDT; Hydrostatic test |
Package | Wooden or iron reel |
Chemical Composition：
UNS Designation | C | Si | Mn | P | S | Cr | Ni | Mo | N | Cu |
max | max | max | max | max | ||||||
S31803 | 0.03 | 1 | 2 | 0.03 | 0.02 | 21.0 - 23.0 | 4.5 - 6.5 | 2.5 - 3.5 | 0.08 - 0.20 | - |
2205 | ||||||||||
S32205 | 0.03 | 1 | 2 | 0.03 | 0.02 | 22.0 - 23.0 | 4.5 - 6.5 | 3.0 - 3.5 | 0.14 - 0.20 | - |
S32750 | 0.03 | 0.8 | 1.2 | 0.035 | 0.02 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 5.0 | 0.24 - 0.32 | 0.5 max |
2507 | ||||||||||
S32760 | 0.05 | 1 | 1 | 0.03 | 0.01 | 24.0 - 26.0 | 6.0 - 8.0 | 3.0 - 4.0 | 0.20 - 0.30 | 0.50 -1.00 |
Physical Property:
Steel grade | Physical Property | |||
Y.S | T.S | EL. | HRB | |
S31803 | ≥450 | ≥620 | ≥25 | - |
S32205/2205 | ≥450 | ≥620 | ≥25 | - |
S32750/2507 | ≥550 | ≥800 | ≥15 | ≤32 |
S32760 | ≥550 | ≥750 | ≥45 | ≤29 |
Factory advantages and features:
MTSCO has been specializing in providing high quality continuous tubing services to the global geothermal, heat exchanger, shipbuilding, and oil and gas industries since 2006. We are able to produce to a wide range of international standards, covering key materials such as 304, 316, 2205, 2507, Alloy 625 and Alloy 825. We have made significant achievements in the field of continuous tubulars, downhole control lines and chemical injection control lines, and our main products include welded and seamless continuous tubulars, mono-core and multi-core control lines, and capillary tubing.
The five main advantages of choosing Mtsco include:
One, we offer welded coiled tubing up to 33,000 feet per coil.
Two, our welded coils can withstand hydrostatic testing up to 100 MPA.
Three, our seamless coils can weigh up to 120 kilograms per roll.
Fourth, we offer a wide selection of packaging materials to suit different needs.
Fifth, our products are ISO/PED certified, ensuring high standards of product quality and standards.
Quality Control Method：
We use a strict triple quality control system to ensure product quality. First, the raw materials must come from large steel mills such as POSCO, JISCO, ANSTEEL, ATI, NYK, Outokumpu, TSINGSHAN, Baosteel, WALSIN, etc., and come with MTC and PMI certificates. After the raw materials arrive at the factory, we will conduct PMI and other re-inspections again to ensure that they meet the standards.
Secondly, the production process is fully traceable. Including key processes such as welding, cold drawing, bright annealing and plastic coating, all are monitored by experienced engineers throughout the process, and QC personnel take photos and records each process to ensure that each step is accurate and controllable.
Finally, all factory products must undergo 100% full inspection, including appearance, PMI, size, quantity, mechanical properties, hardness, air tightness, UT, ET, HT and other tests. All coils pass the high-pressure test of 40MPa~100MPa, and support inspection by third-party agencies such as SGS, TUV, BV, etc.
Product Packaging：
Plastic Packaging Materials | Abbreviation | Temperature℃ |
Ethylene Tetrafluoroethylene | ETFE | -60℃~150℃ |
Fluoronated Ethylene Propylene | FEP | -110℃~200℃ |
High Density Polyethylene | HDPE | -60℃~100℃ |
Perfluoroalkoxy | PFA | -80℃~260℃ |
Modified Polypropylene | PP | 30℃~150℃ |
Polyvinylidene Fluoride | PVDF | -30℃~150℃ |
Thermoplastic Vulcanizating | TPV | -30℃~150℃ |
Nylon11 | PA11 | -30℃~150℃ |
Package | Level wound, the smaller dimensions level wound on wooden or plastic spools per coil, the packed by plywood case | |
