Project Description
N07716 Alloy 716 Inconel 716 Nickel-Based Superalloy Bar – API 6A Oil & Gas Grade | SHUNFU METAL Manufacturer
Premium Quality N07716 Forged & Rolled Round Bars | Direct Factory Supply | Bulk Orders Welcome
Introduction to N07716 Nickel-Based Superalloy
N07716, also known as Alloy 716 or Inconel 716, is a precipitation-hardenable nickel-chromium-molybdenum superalloy specifically engineered for extreme service conditions in the oil and gas industry. This advanced nickel-based alloy combines exceptional strength, outstanding corrosion resistance, and excellent thermal stability, making it the material of choice for critical wellhead and drilling equipment operating in the most demanding environments.
As a professional manufacturer of nickel alloy products, SHUNFU METAL specializes in producing high-quality N07716 forged round bars and rolled round bars that fully comply with API 6A specifications. Our state-of-the-art manufacturing facilities and rigorous quality control processes ensure that every piece of N07716 material meets the stringent requirements of international petroleum industry standards.
The N07716 alloy features a carefully balanced chemical composition with approximately 59-63% nickel, 19-22% chromium, and 7-9.5% molybdenum, along with precise additions of niobium and titanium for precipitation hardening. This unique metallurgical design provides the alloy with superior resistance to chloride-ion stress corrosion cracking, pitting, and crevice corrosion in sour gas environments containing hydrogen sulfide (H₂S).
Applications of N07716 Alloy
N07716 nickel-based superalloy is extensively utilized across various critical applications in the petroleum and natural gas industry. The exceptional combination of high strength, corrosion resistance, and thermal stability makes this alloy indispensable for components that must perform reliably under extreme pressures, temperatures, and corrosive conditions.
Primary Application Areas
Wellhead Equipment
Valve bodies, bonnets, stems, and seats for Christmas trees and wellhead assemblies operating in high-pressure sour gas environments.
Downhole Tools
Hangers, packers, safety valves, and completion equipment designed for deep well drilling in corrosive formations.
Subsea Components
Connectors, fasteners, and structural components for subsea production systems exposed to seawater and H₂S.
High-Pressure Fittings
Flanges, couplings, and connection components for extreme pressure service up to 20,000 psi and beyond.
SHUNFU METAL supplies N07716 materials to major oil and gas operators, equipment manufacturers, and engineering contractors worldwide. As a direct manufacturer, we offer competitive pricing for bulk orders and can accommodate custom specifications to meet your specific project requirements.
N07716 Standards and Equivalent Grades
N07716 is specified under multiple international standards, ensuring global recognition and acceptance for critical oil and gas applications.
Applicable Standards
| Standard Organization | Specification | Description |
|---|---|---|
| API (USA) | API 6A / API 6ACRA | Wellhead and Christmas Tree Equipment |
| ASTM (USA) | ASTM B637 | Precipitation-Hardening Nickel Alloy Bars, Forgings |
| NACE (USA) | NACE MR0175 / ISO 15156 | Sour Service Materials |
| ISO | ISO 10423 | Wellhead and Christmas Tree Equipment |
| UNS (USA) | UNS N07716 | Unified Numbering System Designation |
Equivalent and Similar Grades
Inconel 716
UNS N07716
W.Nr. 2.4669
N07716 Chemical Composition
The chemical composition of N07716 is precisely controlled to achieve optimal mechanical properties and corrosion resistance. The high nickel and chromium content provides excellent resistance to oxidizing environments, while molybdenum enhances resistance to reducing acids and pitting. Niobium and titanium additions enable precipitation hardening to achieve high strength levels.
| Element | Ni | Cr | Mo | Nb | Ti | Fe |
|---|---|---|---|---|---|---|
| Content (%) | 59.0-63.0 | 19.0-22.0 | 7.00-9.50 | 2.75-4.00 | 1.00-1.60 | Balance |
Additional Elements (Maximum Values)
| C | Mn | Si | P | S | Al | B | Cu | Pb |
|---|---|---|---|---|---|---|---|---|
| 0.030 | 0.20 | 0.20 | 0.015 | 0.010 | 0.35 | 0.006 | 0.23 | 0.001 |
N07716 Available Sizes and Forms
SHUNFU METAL maintains a comprehensive inventory of N07716 products in various sizes and forms to meet immediate delivery requirements. As a direct manufacturer, we also offer custom sizing and fabrication services to accommodate specific project needs.
Forged Round Bars
Φ80 – 1200mm
Large diameter forgings for valve bodies, flanges, and heavy-duty components
Rolled Round Bars
Φ10 – 300mm
Precision rolled bars for machined components and fasteners
Additional Product Forms
Forgings: Blocks, discs, rings, and custom shapes
Hollow Bars: Available for bushing and sleeve applications
Plates & Sheets: Cut-to-size available upon request
Custom Shapes: Die forgings per customer drawings
Standard sizes in stock for immediate delivery. Custom sizes welcome – Contact us for specific requirements. Bulk orders receive preferential pricing.
N07716 Heat Treatment Process
N07716 requires precise heat treatment to develop its full mechanical properties. The precipitation hardening process involves solution annealing followed by controlled aging to precipitate strengthening phases within the nickel matrix. SHUNFU METAL operates advanced heat treatment facilities with precise temperature control to ensure consistent results per API 6A requirements.
Melting Process Requirements (API 6A)
Process Route A
Step 1: Basic EF (Electric Furnace)
Step 2: AOD or VOD
Step 3: VAR
Optional Step 4: VAR
Process Route B
Step 1: VIM (Vacuum Induction Melting)
Optional Step 2: ESR or EFR
Step 3: VAR
Optional Step 4: VAR
Heat Treatment Parameters
| Condition | Material Grade | Temperature | Time |
|---|---|---|---|
| Solution Annealing | 120K | 1875°F – 1925°F (1024°C – 1052°C) | 0.5 to 4 hours |
| 140K | 1875°F – 1925°F (1024°C – 1052°C) | 0.5 to 4 hours | |
| Age Hardening | 120K / 140K | 1310°F – 1455°F (710°C – 791°C) | 4-9 hours, furnace cool |
| 120K / 140K | 1125°F – 1275°F (607°C – 691°C) | 12 hours minimum, total aging |
N07716 Mechanical Properties (API 6A)
N07716 offers two material designations (120K and 140K) with different strength levels to meet various application requirements. All properties are guaranteed per API 6A/6ACRA specifications.
Tensile Requirements
| Grade | QTC Thickness (mm) | 0.2% Yield Min. (ksi/MPa) | 0.2% Yield Max. (ksi/MPa) | Tensile Strength (ksi/MPa) | Elongation (%) | RA (%) |
|---|---|---|---|---|---|---|
| 120K | ≤10 (254) | 120 (827) | 150 (1034) | 150 (1034) | 20 | 35 |
| >10 (254) | 120 (827) | 150 (1034) | 150 (1034) | 20 | 25 | |
| 140K | ≤10 (254) | 140 (965) | 160 (1103) | 165 (1138) | 18 | 30 |
| >10 (254) | 140 (965) | 160 (1103) | 165 (1138) | 18 | 20 |
Impact Test Requirements (Charpy V-Notch)
| Grade | QTC Thickness (mm) | Orientation | Min. Average (ft-lbs/J) | Min. Single (ft-lbs/J) | Lateral Exp. (mm) |
|---|---|---|---|---|---|
| 120K | <3 (76) | Longitudinal | 40 (54) | 35 (47) | 0.015 (0.38) |
| ≥3 (76) thru 10 (254) | Transverse | 37 (50) | 32 (43) | 0.015 (0.38) | |
| >10 (254) | Transverse | 32 (43) | 27 (37) | 0.015 (0.38) | |
| 140K | <3 (76) | Longitudinal | 40 (54) | 35 (47) | 0.015 (0.38) |
| ≥3 (76) thru 10 (254) | Transverse | 30 (41) | 27 (37) | 0.015 (0.38) | |
| >10 (254) | Transverse | 30 (41) | 27 (37) | 0.015 (0.38) |
Hardness Requirements
| Material Grade | Minimum HRC (HBW) | Maximum HRC (HBW) |
|---|---|---|
| 120K | 32 HRC | 43 HRC |
| 140K | 34 HRC | 43 HRC |
N07716 Machining Services
As a full-service manufacturer, SHUNFU METAL offers comprehensive machining services for N07716 materials. Our in-house machining capabilities allow us to deliver semi-finished or finished components, reducing your processing time and costs.
Turning & Facing
Precision OD turning, bright finish turning, and facing operations to meet tight dimensional tolerances.
Boring & Drilling
Deep hole boring, precision ID machining, and drilling services for valve bodies and similar components.
Threading
External and internal threading per API, ANSI, and custom specifications for connection components.
Surface Finishing
Grinding, polishing, and surface treatment to achieve required surface roughness specifications.
Why Choose SHUNFU METAL for N07716?
Direct Manufacturer
We are the source – not a trader. Get factory-direct pricing and quality control from melting to final delivery.
API 6A Certified
Full compliance with API 6A/6ACRA requirements. Complete material traceability and documentation provided.
Stock Availability
Common sizes in stock for quick delivery. Reduce project lead times with our ready inventory program.
Bulk Order Capability
Large volume orders welcome with competitive pricing. Reliable supply for your ongoing production needs.
Ready to Order N07716 Nickel Alloy?
Contact SHUNFU METAL today for pricing, availability, and technical support. Bulk orders receive preferential pricing and priority production scheduling.
Visit: www.gaslinepipe.com
© SHUNFU METAL – Professional Manufacturer of Nickel Alloys, Special Steels & Superalloys for Oil & Gas Industry
We are committed to integrate steel resources in china and serve the global steel market. Our company has more than 15 years of experience in steel researching, production, managing and sales. And our team mostly are based on and worked in national famous steel enterprise before. In the aspect of resources and information, we have established cooperative relationship with nearly hundred enterprises, either state-owned or private owned in China.
What’s more, we have built long, deep and close business relationship with dozens of steel company, Sharing and holding equities with several steel enterprises. Because of the close cooperation with steel companies and our pioneering spirit, which can ensure us stay at the top competition, and ensure our customers get what they really want. We provide preffesional one-stop service to the Contractors of follows project:
- Oil and Gas Pipeline Construction
- Onshore and Offshore
- Boiler Manufacturers
- Oil Refining Equipment
- Petroleum and Chemical Plant Construction
- Fire Protection
- Heating & Air Conditioning
Our ability to purchase materials directly from leading mills at the best possible price will give you the competitive edge. This coupled with a skilled workforce dedicated to embracing the demands of the markets we serve. Just give us a call +86-731-89903933.
