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{"title":"Nickel Alloy Flat Inconel 625 UNS NO6625 Forged Corrosion Resistant Structural","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/49\/e2\/1083d7e1ebaf83c3616901ae9571-200x200-1\/nickel_alloy_flat_inconel_625_uns_no6625_forged_corrosion_resistant_structural_beams.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Nickel Alloy H Beam I Beam Inconel 601 UNS N06601 High Temperature Resistant","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/54\/03\/f9d9c766c315ed953e1612619acd-200x200-1\/nickel_alloy_h_beam_i_beam_inconel_601_uns_n06601_high_temperature_resistant_custom_shape.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Nickel Iron Chromium Alloy INCOLOY 800H Custom Machining Component","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/c6\/04\/97ad616c3097bc6632b229ca217d-200x200-1\/nickel_iron_chromium_alloy_incoloy_800h_custom_machining_component.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers' requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Hastelloy C276 UNS N10276 Nickel Alloy Angle Bar For Bridge And Equipment","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/6b\/29\/631aabad64ab2522b1ef03c2b0af-200x200-1\/hastelloy_c276_uns_n10276_nickel_alloy_angle_bar_for_bridge_and_equipment.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
{"title":"Nickle Alloy Angle Iron Bar Inconel 718 UNS NO7718 For Jet Engines Gas Turbine","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/96\/a1\/335a254036f87949cddb5d8e3b9a-200x200-1\/nickle_alloy_angle_iron_bar_inconel_718_uns_no7718_for_jet_engines_gas_turbine.jpg","attrs":{"Brand Name":"DINGSCO","Model Number":"According to customers requirements","Certification":"ISO 9001:2015,PED 2014\/68\/EU,API 6A,API-20B,TSG,NORSOK","Place of Origin":"China"}}
API 6A Nickel Alloy 718 Christmas Tree Tubing Hanger in Petroleum and Gas Extraction
API 6A specification covers requirements for wellhead and Christmas tree equipment for oil and gas drilling and production. Inconel 718, a high-strength, corrosion-resistant nickel-chromium material, is used for components that require excellent mechanical properties at both cryogenic and high temperatures, making it an ideal material for critical wellhead components such as tubing hangers in harsh environments.
Tubing Hanger Details:
Material: Inconel 718 is chosen for tubing hangers due to its excellent resistance to corrosion, high-temperature strength, and its ability to withstand high pressure and sour gas environments. It has a good combination of tensile strength, fatigue strength, and creep-rupture strength, which is crucial for the longevity and reliability of oil and gas extraction equipment.
Design: The design of a tubing hanger as specified under API 6A needs to cater to various factors such as size, pressure rating, temperature rating, and compatibility with the tubing and wellhead it will be part of. The tubing hanger is designed to hang the tubing (pipe through which oil and gas flow) inside the wellhead and provide a seal between the tubing and the casing (larger diameter pipe around tubing).
Sealing: API 6A requires tubing hangers to be equipped with effective sealing mechanisms to prevent leaks. Metal-to-metal seals or elastomer seals compatible with Inconel 718 and the environmental conditions are commonly used. The material’s properties ensure that the seal maintains integrity under temperature fluctuations and different pressures.
Pressure Rating: The pressure rating of tubing hangers made from Inconel 718 must meet API 6A specifications, which categorize equipment based on working pressure ranges from 2,000 to 20,000 PSI. The specific rating will depend on the well's characteristics and the production requirements.
Temperature Rating: Inconel 718 can withstand temperatures from cryogenic up to around 1300°F (700°C), making it suitable for applications across a wide range of temperatures. API 6A specifies equipment temperature class ratings from K (-60°C) up to Y (345°C), and Inconel 718 tubing hangers can be rated for high-temperature applications.
End Connections: Tubing hangers come with different types of end connections, including threaded, flanged, or clamp hub, designed for easy integration with the wellhead system. The choice of end connection depends on the design of the Christmas tree and wellhead, as well as pressure and temperature conditions.
Applications: Inconel 718 tubing hangers are used in oil and gas wells with harsh operating conditions, such as high-pressure wells, deepwater wells, and wells with corrosive environments. They are particularly valuable in applications where sulfide stress cracking (SSC) is a concern.
When selecting and designing a tubing hanger for a Christmas tree, engineers must consider not only the API 6A specifications but also the specific conditions of the well and the production requirements to ensure safety, efficiency, and reliability of the oil and gas production system.
Inconel 718 is a high-strength, corrosion-resistant nickel chromium material used in a range of extreme environments. It is especially noted for its high yield, tensile and creep-rupture properties at temperatures up to 1300°F (700°C). Components made of Inconel 718 are frequently used in the oil and gas industry for parts such as those found in Christmas tree equipment due to the material's durability and performance in highly corrosive and high-pressure environments.
In the context of Christmas tree equipment in oil and gas extraction:
Valves: For controlling the flow of hydrocarbons from the well.
Hangers: For supporting and sealing casing layers within the well.
Flanges: For connecting various sections of the tree firmly together.
Chokes: For regulating the flow rate of the oil and gas.
Actuators and control systems: Used to automatically or manually manipulate valves or other parts of the Christmas tree.
Grade
UNS
Density
Tensile Strength
(MPa min)
Yield Strength
(MPa min)
Reduction of Area min (%)
Elongation min (%)
Hardness (HRC)
INCONEL 718
N07718
8.19
1275MPa min
1034MPa min
15%
12% min
HRC 35-40
Chemical Composition(%):
Ni
Cr
Fe
C
Mn
S
Si
50.0-55.0
17.0-21.0
Remainder
0.08max
0.35max
0.015max
0.35max
B
P
Mo
Ti
Al
Cu
Co
0.006max
0.015max
2.8-3.3
0.65-1.15
0.2-0.8
0.3max
1.0max
The following table lists only some of the grades
Grade
UNS
DIN
Monel 400
N04400
W.Nr. 2.4360
Monel K-500
N05500
W.Nr. 2.4375
Inconel 625
N06625
W.Nr. 2.4856
Inconel 718
N07718
W.Nr. 2.4668
Inconel 600
N06600
W. Nr. 2.4816
Hastelloy C-276
N10276
W.Nr. 2.4819
Hastelloy C-22
N06022
W.Nr. 2.4602
Hastelloy X
N06002
W.Nr. 2.4665
Hastelloy B-2
N10665
W.Nr. 2.4617
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Seller
Year Established:
1998
Total Annual:
70 million-100 million
Employee Number:
50~60
Ecer Certification：
Verified Supplier
Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc... Hunan Dinghan New Material Technology Co.,Ltd. (DINGSCO) specialized in Nickel Based Corrosion Resistant and High Temperature alloys products which used in the world’s most technically demanding industries and applications.
We have complete advanced technology facilities to produc...
