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Stainless Steel ANSI 316L Encapsulated Control Line Bright Annealed Thermoplastic Material

Suzhou Vanforge Metals Co., Ltd.

Stainless Steel ANSI 316L Encapsulated Control Line Bright Annealed Thermoplastic Material

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Brand Name : MEILONG

Model Number : 3/8'' OD x 0.065'' 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 : ANSI 316L 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

Encapsulation material : Thermoplastic

Price : Negotiable

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Stainless Steel ANSI 316L Encapsulated Control Line Bright Annealed Thermoplastic Material

Type 316L, Chemical composition

Element Composition, %
Chromium 16.0-18.0
Nickel 10.0-14.0
Molybdenum 2.0-3.0
Manganese 2.00 max.
Silicon 1.00 max.
Carbon 0.035 max.
Sulfur 0.030 max.
Phosphorous 0.045 max.

Application: Standard oil and gas CRA (corrosion resistant alloy)

Tensile strength, min.: 70ksi (485MPa)

Yield strength, min.: 25ksi (170MPa)

Elongation in 2 in., min.: 35%

Description

ANSI 316L is a chromium-nickel austenitic stainless steel with an addition of molybdenum and reduced carbon content. The addition of molybdenum provides improved resistance to pitting and crevice corrosion in environments containing halides such as chlorides when compared to so-called conventional 18 chromium 8 nickel austenitic stainless steels such as 304L. The reduced carbon content minimizes harmful chromium carbide precipitation during welding and thereby improves resistance to intergranular corrosion. Austenitic stainless steels such as 316L are susceptible to stress corrosion cracking (SCC) in environments containing chlorides and other halides. Alloy 316L is generally used in oil and gas production environments which do not contain oxygen and have limited amounts of chlorides and hydrogen sulfide. Consult ISO 15156-3, Table A.2 for the limits regarding alloy 316L in hydrogen sulfide-containing environments for oil and gas production.

HYDRAULIC CONTROL LINE APPLICATIONS

STAINLESS STEEL AND HIGH NICKEL ALLOYS COILED TUBING SOLUTIONS

MEILONG is an important manufacturer in premium coiled seamless & welded tubular solutions for oil and gas applications. In an endeavor to increase its presence in subsea, MEILONG has extended its offer by developing a highly innovative tubular solution for umbilical projects.

MEILONG has developed a strong and unique expertise in premium quality tubes to answer the most stringent specifications of its customers. Based on this expertise in high pressure, and extremely high pressure tubes, MEILONG’s state-of-art factory is exclusively dedicated to the manufacturing and supply of super duplex and high nickel alloys tubes for corrosive downhole applications and is now ready to offer the highest specifications for your toughest challenges.

High quality polymeric jackets/encapsulations provide added protection

Core tubing is evaporated with the latest thermoplastic elastomeric compounds designed to outlast the life of most project tubing installations by reducing the possibility of corrosion and mechanical damage. They can stand up to a wide range of chemical inhibitors and seawater. Most jackets are manufactured from fire retardant, all-weather, abrasion-resistant compound, designed to remain strong and flexible through wide ranges of temperatures and pressures.

PVC

PP (polypropylene)

SP (Santoprene)

F46 (FEP)

Nylon

Corrosion Resistance

● Organic acids at high concentrations and moderate temperatures

● Inorganic acids, e.g. phosphoric and sulphuric acids, at moderate concentrations and temperatures. The steel can also be used in sulphuric acid of concentrations above 90% at low temperature.

● Salt solutions, e.g. sulphates, sulphides and sulphites

● Caustic environments

Austenitic steels are susceptible to stress corrosion cracking. This may occur at temperatures above about 60°C (140°F) if the steel is subjected to tensile stresses and at the same time comes into contact with certain solutions, particularly those containing chlorides. Such service conditions should therefore be avoided. Conditions when plants are shut down must also be considered, as the condensates which are then formed can develop conditions that lead to both stress corrosion cracking and pitting.

ANSI 316L has a low carbon content and therefore better resistance to intergranular corrosion than steels of type TP316.

Standards and Specifications

ASTM A269, Standard Specification for Seamless and Welded Austenitic Stainless Steel Tubing for General Service

Meets the material limits for 316L austenitic stainless steel listed in ISO 15156-3, Table A.2

Production Process

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.

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

Quality Assurance

Eddy current test (ECT)

Ultrasonic test

Hydrostatic test

Chemical composition analysis

Tensile test

Hardness test

Dimension & visual inspect

Metallographic analysis

Coiled Encapsulated Tubing (Bare Tubing Size)

Imperial size Metric size

OD

inch

WT

inch

OD

mm

WT

mm

1/4 (0.250) 0.035 6.35 0.89
0.049 6.35 1.24
0.065 6.35 1.65
0.083 6.35 2.11
3/8 (0.375) 0.035 9.53 0.89
0.049 9.53 1.24
0.065 9.53 1.65
0.083 9.53 2.11
1/2 (0.500) 0.035 12.7 0.89
0.049 12.7 1.24
0.065 12.7 1.65
0.083 12.7 2.11
5/8 (0.625) 0.049 15.88 1.24
0.065 15.88 1.65
0.083 15.88 2.11

Tubing length up to 32,808 feet (10,000 m)

For control line, chemical injection line, umbilicals

Available materials

Austenitic: 316L

Duplex: S31803, S32205

Super Duplex: S32750

Nickel alloy: N06625, N08825

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

Stainless Steel ANSI 316L Encapsulated Control Line Bright Annealed Thermoplastic Material

Stainless Steel ANSI 316L Encapsulated Control Line Bright Annealed Thermoplastic Material


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