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China factories

China factory - Hunan Dinghan New Material Technology Co., LTD

Hunan Dinghan New Material Technology Co., LTD

  • China,Changsha ,Hunan
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China API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar
China API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar

  1. China API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar
  2. China API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar
  3. China API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar

API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar

  1. MOQ： Negotiable
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms T/T
Supply Ability Negotiable
Delivery Time (Sample order) 7 days
Packaging Details According to customers' requests
Product Name API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar
Size Range Ø8-Ø200,as per your requirements
Application Aerospace,Oil and Gas Industry,Chemical Processing Equipment,Nuclear Energy,Medical Devices
Material Nickel Alloy
Type Round bar
Grade Alloy 718
Density 8.19g/cm³
Surface Treatment Bright
Standard API 6A CRA
Packaging Standard Export Package
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

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T Supply Ability Negotiable
Delivery Time (Sample order) 7 days Packaging Details According to customers' requests
Product Name API 6A CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar Size Range Ø8-Ø200,as per your requirements
Application Aerospace,Oil and Gas Industry,Chemical Processing Equipment,Nuclear Energy,Medical Devices Material Nickel Alloy
Type Round bar Grade Alloy 718
Density 8.19g/cm³ Surface Treatment Bright
Standard API 6A CRA Packaging Standard Export Package
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 CRA Inconel 718 Forging Bar Nickel Alloy Forging Bar

 

The API 6A CRA Inconel 718 Forging Bar is a high-performance alloy component engineered for critical applications in the oil and gas industry, specifically designed to meet the stringent requirements of API Specification 6A. As a corrosion-resistant alloy (CRA) product, it offers exceptional mechanical properties and corrosion resistance, making it ideal for use in harsh downhole and surface environments.

 

 

Material Specification

  • Alloy Grade: Inconel 718 (UNS N07718)
  • Material Type: Nickel-based superalloy with significant additions of chromium, iron, niobium, and molybdenum
  • Form: Forged bar (round, square, or hexagonal cross-sections available)
  • Manufacturing Process: Hot forging followed by solution annealing and aging treatments to optimize mechanical properties

Compliance Standards

  • API 6A: Complies with the latest edition of API Specification 6A, which governs wellhead and Christmas tree equipment
  • Material Certification: Meets ASTM B637 specifications for Inconel 718 forgings
  • Quality Assurance: Traceable material certification, ultrasonic testing (UT), magnetic particle inspection (MPI), and chemical composition verification

Mechanical Properties

  • Tensile Strength: Minimum 130 ksi (900 MPa)
  • Yield Strength (0.2% offset): Minimum 100 ksi (690 MPa)
  • Elongation: Minimum 12% in 2 inches (50 mm)
  • Hardness: Typically 30-40 HRC after heat treatment
  • Operating Temperature Range: -423°F to 1,300°F (-253°C to 704°C)

Corrosion Resistance

Inconel 718 provides excellent resistance to:

 

  • Sour environments containing hydrogen sulfide (H₂S)
  • Sweet corrosion from carbon dioxide (CO₂)
  • Chloride-induced stress corrosion cracking
  • General and pitting corrosion in high-salinity environments
  • Oxidation at elevated temperatures

Applications

  • Wellhead equipment components
  • Valve bodies and trim
  • Choke and kill manifolds
  • Blowout preventers (BOPs)
  • Other critical pressure-containing parts in upstream oil and gas operations
  • Offshore and subsea equipment exposed to aggressive media

Dimensions and Customization

  • Diameters: Available from 1" to 24" (25 mm to 600 mm)
  • Lengths: Up to 20 feet (6 meters) or as per customer requirements
  • Custom sizes and configurations available upon request
  • Machining services offered to meet specific dimensional tolerances

Quality Control

Each forging bar undergoes rigorous quality control measures, including:

 

  • Chemical composition analysis (spectroscopic testing)
  • Mechanical property testing (tensile, impact, hardness)
  • Non-destructive testing (UT, MPI)
  • Dimensional verification
  • Microstructural examination

 

This API 6A CRA Inconel 718 Forging Bar represents the industry standard for high-performance components in demanding oilfield applications, combining superior strength, toughness, and corrosion resistance to ensure reliable operation in extreme environments.

 

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
 

 

More Grades:

Grade UNS DENSITY EN/DIN W.Nr CONDITION
Nickel 200 N02200 8.89 2.4066 Annealed
Nickel 201 N02201 8.89 2.4068 Annealed
MONEL 400 N04400 8.80 2.4360 Annealed
MONEL K-500 N05500 8.44 2.4375 Aged
INCOLOY 825 N08825 8.14 2.4858 Annealed
INCOLOY 925 N09925 8.08 - Aged
INCOLOY 926 N08926 8.1 1.4529 Sol.Annealed
INCOLOY A-286 S66286 7.94 - -
INCOLOY 800 N08800 7.94 1.4876 Annealed
INCOLOY 800H N08810 7.94 1.4958 Annealed
INCOLOY 800HT N08011 7.94 1.4959 Annealed
ALLOY 20 N08020 8.1 2.4660 Annealed
ALLOY 28 N08028 8.0 1.4563 Annealed
NIMONIC 80A N07080 8.19 2.4952 Aged
NIMONIC 901 N09901 8.14 2.4662 -
INCONEL 625 N06625 8.44 2.4856 Annealed
INCONEL 718 N07718 8.19 2.4668 Aged
INCONEL X-750 N07750 8.28 2.4669 Aged
INCONEL 600 N06600 8.47 2.4816 Annealed
INCONEL 601 N06601 8.11 2.4851 -
HASTELLOY C-276 N10276 8.87 2.4819 Annealed
HASTELLOY C-22 N06022 8.69 2.4602 Sol.Annealed
HASTELLOY C-4 N06455 8.64 2.4610 Sol.Annealed
HASTELLOY B-2 N10665 9.22 2.4617 Annealed
HASTELLOY B-3 N10675 9.22 2.4600 Annealed
HASTELLOY X N06002 8.22 2.4665 Aged
F44 S31254 8.0 1.4547 Annealed
F51 S31803 7.8 1.4462 Solution
F53 S32750 7.8 1.4410 Solution
F55 S32760 7.8 1.4501 Solution

 

 

 

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...

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Get in touch with us

  • Reach Us
  • Hunan Dinghan New Material Technology Co., LTD
  • No. 2319, Building 2, Dongfang Furong Garden, No. 582 Yuanda 1st Road, Hehuayuan Street,Furong District, Changsha, Hunan Province, China.
  • https://www.nickel-basedalloys.com/

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