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Industrial Bright Annealed Stainless Steel Tubing Duplex Stainless Steel 2205

Suzhou Vanforge Metals Co., Ltd.

Industrial Bright Annealed Stainless Steel Tubing Duplex Stainless Steel 2205

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Brand Name : MEILONG

Model Number : 3/8'' OD x 0.049'' WT

Certification : ISO9001:2015, PED 97/23/EC

Place of Origin : China

MOQ : 10000 feet

Payment Terms : L/C, T/T

Supply Ability : 150000 meters per month

Delivery Time : 10 days (for our required MOQ)

Packaging Details : Level wound coiled on wooden spool, and wooden case packing

Material : Duplex 2205 comply with NACE MR0175/ISO15156

Tube type : Seamless

Condition : Bright annealed

Length : Up to 10000 meters long per reel

Qualification : Hydrostatic tested

Application : Oil and gas fields

Surface : Metallic bright

Specialty : High-pressure hydraulic

Price : Negotiable

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Industrial Bright Annealed Stainless Steel Tubing Duplex Stainless Steel 2205

Description

Duplex Stainless 2205 is a duplex stainless steel. When properly heat treated, the microstructure consists of a nearly equal mixture of the austenitic and ferrite phases. This two-phase microstructure produces a fine grain size which increases the yield strength. In the final heat treated condition, Duplex Stainless 2205 can achieve a yield strength approximately twice that of austenitic alloys such as 316L, 825 and 625 which must be cold worked to achieve comparable yield strengths. Duplex stainless steels are often classified as lean, conventional, super or hyper based upon their pitting resistance equivalent (PRE or PREN). Various PRE formulas are used to rank an alloy’s resistance to chloride pitting corrosion based upon its composition. Duplex Stainless 2205 typically has a PRE of 36 and is considered a conventional duplex stainless steel. Duplex Stainless 2205 is often selected for use in oil and gas production environments based upon its higher strength and resistance to pitting, crevice and stress corrosion cracking in chloride containing environments. Consult ISO 15156-3, Table A.24 for the limits regarding the use of Duplex Stainless 2205 in hydrogen sulfide containing environments for oil and gas production.

A value offer for your umbilical tube challenges

The offshore industry is facing new challenges with tougher operating conditions that are significantly impacting the performance of the umbilical. Subsea umbilical systems for deep and ultra-deep offshore projects are more and more demanding regarding injection capacities, number of functionalities, power requirements and increased tie-back lengths.

  • MEILONG umbilical tubes have been designed to increase the reliability and performances of your umbilical systems while ensuring the safety, flexibility and cost-effectiveness of your projects.
  • Yours operations are safe and reliable at higher temperatures and pressure levels, with superior benefits.
  • MEILONG tubes for umbilicals open new perspectives and capabilities for ultra-deep water projects.

Quality Assurance

Non Destructive Tests:

Hydrostatic

Eddy Current

Surface Roughness

Dimensional Analysis

Destructive Tests:

Yield Strength

Tensile Strength

Elongation

Positive Material Identification (PMI)

Grain Size

Rockwell Hardness

MEILONG has been supplying the world’s best coiled tubes up to 3,234 lbs (1,467 kgs) and 14,764 ft (4500 mtrs) length without orbital butt welding.

Bright annealing treated, our coiled tubes are excellent in both internal and external surface quality.

Our coiled tubes are specially used in oil and gas industry requiring a higher level of reliability.

All the products are performed and delivered after ECT as well as hydrostatic & ovality test satisfying ASTM standards.

Available size and alloy materials

Materials Imperial Size Metric Size

OD

(in.)

WT

(in.)

OD

(mm)

WT

(mm)

SS316L

Duplex 2205

Super Duplex 2507

Incoloy 825

Inconel 625

1/8 0.125 0.028 3.18 0.71
1/8 0.125 0.035 3.18 0.89
1/4 0.250 0.035 6.35 0.89
1/4 0.250 0.049 6.35 1.24
1/4 0.250 0.065 6.35 1.65
3/8 0.375 0.035 9.53 0.89
3/8 0.375 0.049 9.53 1.24
3/8 0.375 0.065 9.53 1.65
3/8 0.375 0.083 9.53 2.11
1/2 0.500 0.049 12.70 1.24
1/2 0.500 0.065 12.70 1.65
1/2 0.500 0.083 12.70 2.11
5/8 0.625 0.049 15.88 1.24
5/8 0.265 0.065 15.88 1.65
5/8 0.625 0.083 15.88 2.11
3/4 0.750 0.049 19.05 1.24
3/4 0.750 0.065 19.05 1.65
3/4 0.750 0.083 19.05 2.11

Duplex Stainless 2205, Chemical composition

Element Composition, %
Chromium 22.0-23.0
Nickel 4.5-6.5
Molybdenum 3.0-3.5
Manganese 2.00 max.
Silicon 1.00 max.
Carbon 0.030 max.
Sulfur 0.020 max.
Phosphorous 0.030 max.
Nitrogen 0.14-0.20

Application: High mechanical strength and good resistance to localized cracking & chloride stress corrosion.

Tensile strength, min.: 90ksi (620MPa)

Yield strength, min.: 65ksi (450MPa)

Elongation in 2 in., min.: 25%

Hardness, max.: Brinell 290, or Rockwell C 30.5

Standards and Specifications

Tubing Specification PTM-TS-011, Duplex Stainless 2205 Tubing for Control Line Applications

ASTM A789, Standard Specification for Seamless and Welded Ferritic/Austenitic Stainless Steel Tubing for General Service

Meets the material limits for duplex stainless steel with PREN 30 to 40 as listed in ISO 15156-3, Table A.24

Duplex Stainless 2205, Characteristics and properties

Nominal

Outside

Diameter

in.

Nominal

Wall

Thickness

in.

Minimum

Burst

Pressure

psi

Minimum

Collapse

Pressure

psi

Min. Min. Min. Min.
0.250 0.035 27,391 17,441
0.250 0.049 38,348 23,028
0.250 0.065 50,870 28,442
0.375 0.035 18,333 12,222
0.375 0.049 25,667 16,489
0.375 0.065 34,048 20,930
0.375 0.083 43,476 25,371
0.500 0.035 13,777 8,091
0.500 0.049 19,288 12,798
0.500 0.065 25,586 16,444
0.500 0.083 32,672 20,233
0.625 0.035 11,035 4,990
0.625 0.049 15,449 9,903
0.625 0.065 20,494 13,478
0.625 0.083 26,169 16,722

Application

Duplex Stainless 2205 seam welded pressure tubing in the heat treated condition is typically used in oil and natural gas wells for chemical injection applications. In such applications, it is commonly referred to as capillary tubing and is free-hanging (self-supporting) inside the production casing. The chemicals being injected are often used to enhance production flow rates, inhibit corrosion or scaling and/or de-water. However, the tubing can also be used for control line tubing applications including hydraulically actuated surface-controlled subsurface safety valves. For control line applications, the tubing is generally deployed by strapping it to the outside of the production casing. The tubing is frequently supplied as 5,000 to 35,000 ft. coils on a wooden or steel reel, depending on size.

Manufacturing Process and Resultant Properties

Welded & Redrawn Tubing

Strip splice welds join lengths of cold rolled strip to enable long lengths between orbital welds (greater than 14,500 ft between orbital welds is achievable). The strip is formed into a tubular cross section and longitudinally seam welded using the gas tungsten arc (GTAW) process. The tubing is first sunk to an intermediate outside diameter, heat treated, and make the same process to obtain the desired size.

Seamless & Redrawn Tubing

Seamless extruded tube hollows are drawn or drawn / sunk to final size to produce seamless tubing coils 500 to 2,000 ft. long, depending upon the size. The tubing is heat treated and joined by orbital welding to achieve the desired length. The final material condition of the tubing is heat treated.

Nondestructive Testing (NDT)

Eddy current testing (ECT) is performed on the longitudinally seam welded tubing and strip splice welds in the as-heat treated condition. Those strip splice welds detected by ECT. Yield pressure hydrostatic testing is performed on the heat treated tubing at final size.

Application

Oil and Gas: Subsea

Sub-Surface Safety Valves (SSSV) / Umbilicals: Tubes filled with Hydraulic Fluid which run from floating platform or FPSO to the well head on the sea floor.

Oil and Gas: Downhole

Downhole Control Lines: Tubes running from above ground surface controls into a downhole well to the location of the well’s safety valve.

Geothermal

Calcite Inhibition System: Carries chemicals into earth’s crust to flash point of water in a geothermal well; injected to break down calcite deposits and extend life of the well.

Instrumentation

Common connection tubing for control panels, pneumatic equipment, and fluid lines.

Norm Equivalence

Grade UNS No Euro norm Japanese
No Name JIS
Alloy ASTM/ASME EN10216-5 EN10216-5 JIS G3463
316L S31603 1.4404, 1.4435 X2CrNiMo17-12-2 SUS316LTB
2205 S31803 1.4462 X2CrNiMoN22-5-3 SUS329J3LTB
2507 S32750 1.4410 X2CrNiMoN25-7-4
625 N06625 2.4856 NiCr22Mo9Nb
825 N08825 2.4858 NiCr21Mo

Since 1999, Meilong Tube Co., Ltd. has produced long coils of stainless steel and high nickel alloy tubing for numerous oil and gas applications, including hydraulic power, monitoring and control equipment, instrumentation, injection lines, down-hole safety valve control, subsea umbilical applications. Unique manufacturing capabilities and processes allow Meilong to produce the longest continuous length control line tubing available in stainless steels and high nickel alloys.

Our coiled tubing is available in a number of high performance corrosion resistant stainless steels and high nickel alloys, including 300 series, Incoloy, Inconel, capable of withstanding a variety of severe environmental conditions.

We specialize in manufacturing small diameter tubing ranging from 0.125 inch to 1 inch outside diameter (3.18mm to 25.4 mm) and a variety of wall thickness. All tubing is level wound coiled on various size spools, and products are tested and evaluated for specific applications before delivery. Our engineering staff welcome the opportunity to work with customers to solve special problems.

Meilong’s seamless control line tubing is drawn from seamless extruded tube hollows to ensure absolute product safety and reliability. Our seamless line tubing is one continuous length of tubing, completely free of any welded joints or seams. Long length coils reduce installation time and costs by eliminating the need for excessive joints preparation and fittings. Elimination of excessive fittings increase reliability and assures a leak-free system. We are capable of 100% hydrotesting each coil.

In meeting customer’s requirements, our tubing can be encapsulated in various materials such as thermalplastics, nylon and PVDF. Coiled seamless control line tubing offers many advantages to installers of hydraulic or pneumatic lines on offshore platforms and onshore refineries. It offers unmatched safety and reliability, while at the same time reducing the frequency of costly joint connections. Close tolerance control during manufacturing assures easy insertion and connection to fittings due to tubing’s inherent ductility.

Downhole hole & umbilical tubing

Our long length seamless coils are used extensively for chemical injection and hydraulic control in subsea and onshore wells. The long length minimizes the number of orbital welds which reduces the potential for weld-related defects and failures. Additionally, our coils have an extremely clean and smooth ID surface that is ideal for hydraulic and chemical injection systems. Seamless stainless steel coils offer short hydraulic response time, greater collapse strength, and elimination of methanol permeation.

Vacuum annealing

Meilong takes special care during manufacturing to assure ID and OD cleanliness of control line tubing. Vacuum annealing insures volatility of metallic oxides and removal of any residual degreasing solvents or drawing lubricants. Vacuum annealing our stainless steel tubing insures a bright, cosmetically appealing surface as well as excellent mechanical properties.

Meilong commitment to quality excellence

From the time an order is received, sent through the production process, completed, and finally shipped, many levels of inspection occur to reinforce Meilong’s Quality Policy. The job of ensuring quality products extends as far as our machine operators. Meilong operators take ownership over material processed at their stations by measuring for dimensional accuracy and conducting a visual inspection of every piece.

Industrial Bright Annealed Stainless Steel Tubing Duplex Stainless Steel 2205

Industrial Bright Annealed Stainless Steel Tubing Duplex Stainless Steel 2205


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