Inconel 625 Kontrolledningsrør i rustfrit stål

Inconel 625 er en nikkelbaseret legering, der anvendes både for sin høje styrke og fremragende vandige korrosionsbestandighed. Styrken af legering 625 er primært en solid opløsningseffekt fra molybdæn og columbium. Legering 625 har fremragende svejsbarhed og bruges ofte til svejsning af AL-6XN® legering. Matchende fyldmetaller bruges også til at forbinde forskellige metaller.

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Instructions for 1/4”Hydraulic control line

1/4”Hydraulic control line, mainly used for the control of downhole safety valve and gas release valve of cable packer in oil and gas wells. Den 1/4 “hydraulic control tubeline is connected to the downhole safety valve and gas valve, and the on-off pressure of the oil and gas well downhole safety valve and the gas release valve through the cable packer are controlled by ground pressure. After the set pressure is reached, the oil and gas well is downhole. The safety valve and the gas release valve passing through the cable packer are opened at the same time. At this time, the oil and gas well can be normally produced, and the gas separated by the electric submersible pump can also be discharged from the annulus through the gas release valve. Then, the pressure of the control tubeline is released, so that the downhole safety valve of the oil and gas well and the gas release valve passing through the cable packer are closed at the same time, and the oil and gas well oil tubes and annulus circulation channels are all blocked, so that the safety of the oil well can be ensured. Selvfølgelig, the 1/4” hydraulic control line can also be used alone for the control of downhole safety valves.

It can also be used for pressure control of surface safety valves and other surface valves, and various connection tubelines of large-scale equipment instrumentation control systems for oil and gas field drilling and oil production.

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composition,%
Materiale UNS Norm C Mn P S Si Ni Cr Mo N Med Fe Al Ti Cb+Ta
625 N06625 ASTM B704 0.10 0.50 0.015 0.015 0.50 min. 58.0 20.0-23.0 8.0-10.0 ... ... 5.0 0.4 0.40 3.15-4.15
825 N08825 0.05 1.00 ... 0.030 0.50 38.0-46.0 19.5-23.5 2.5-3.5 ... 1.5-3.0 min. 22.0 0.2 0.6-1.2 ...

 

Size Chart

OD Wall
(inch)
Materialer Norm Working Pressure
(Mpa)
Længde
1/8" 0.02,0.028,0.035 Austenitic steel 304L (UNS S30403)
Austenitic steel 316L (UNS S31603)
Duplex 2205 (UNS S32205 & S31803)
Super Duplex 2507 (UNS S32750)
Incoloy 825 (UNS N08825)
Inconel 625 (UNS N06625)
ASTM-A 269
ASTM-A 632
ASTM-A 789
ASTM-B 704
60-120 Mpa Customized
3/16" 0.02,0.028,0.035,0.049
1/4" 0.02,0.028,0.035,0.049,0.065.0.083
5/16"
3/8"
1/2"
* OD: Up to 1 inch

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Funktioner:

High creep-rupture strength

Oxidation resistant to 1800°F

Good fatigue resistance

Excellent weldability

Outstanding resistance to chloride pitting and crevice corrosion

Immune to chloride ion stress corrosion cracking

Resistant to seawater under both flowing and stagnant conditions and under fouling

 

Programmer:

Aircraft ducting systems

Jet engine exhaust systems

Engine thrust-reverser systems

Bellows and expansion joints

Turbine shroud rings

Flare stacks

Seawater components

Chemical process equipment handling mixed acids both oxidizing and reducing.

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