Inconel 725 Fasteners Manufacturer, Supplier in Mumbai, India
Inconel 725 Fasteners are high-strength, corrosion-resistant nickel alloy fasteners made from Nickel Alloy 725 / Inconel 725® (UNS N07725). These fasteners offer excellent resistance to oxidation, stress corrosion cracking, and harsh marine environments. Common products include Inconel 725 Bolts, Nuts, Washers, Screws, and Threaded Rods manufactured as per ASTM B166 UNS N07725 Bolt and ASME SB166 Alloy 725 Heavy Hex Nuts standards. They are widely used in oil & gas, marine, and aerospace industries.
What are Inconel 725 Fasteners?
Inconel 725 Fasteners are precipitation-hardened nickel-chromium-molybdenum-niobium alloy fasteners designed for extreme performance. Built using Inconel UNS N07725 Fasteners, they combine the corrosion resistance of Inconel 625 with enhanced strength through heat treatment.
We manufacture and supply a full range of Alloy 725 Fastener products engineered for high-pressure and high-temperature applications. These fasteners perform exceptionally well in sour gas environments and offshore systems, making them ideal for critical industries.

Key Features of Inconel 725 Fasteners
- Exceptional Corrosion Resistance: Resistant to seawater, acids, and aggressive chemicals.
- High Strength & Durability: Stronger than Inconel 625 due to precipitation hardening.
- Excellent Fatigue Resistance: Ideal for cyclic loading and offshore applications.
- Stress Corrosion Cracking Resistance: Performs well in sour gas and chloride-rich environments.
- Thermal Stability: Maintains mechanical properties at elevated temperatures.
Types of Inconel 725 Fasteners We Offer
We provide a comprehensive range of fasteners to meet varied industrial requirements:
- Inconel 725 Bolts
- ASTM B166 725 Inconel Alloy Bolts
- ASTM B166 UNS N07725 Bolt
- Inconel 725 Nuts
- ASME SB166 Alloy 725 Heavy Hex Nuts
- Inconel 725 Square Nuts Manufacturer in India
- Inconel 725 Washers
- Inconel 725 Screws
- JIS NCF 725 Threaded Rod
Each product is precision-engineered to ensure dimensional accuracy, superior finish, and long service life.


Sizes & Dimensions Chart
| Diameter | Length Range |
| M3 – M10 | Up to 100 mm |
| M12 – M24 | Up to 300 mm |
| M30 – M100 | Custom Length |
Equivalent Standards for Inconel 725 Fasteners
| Standard | Equivalent |
| ASTM | ASTM B166 |
| ASME | SB166 |
| JIS | NCF 725 |
| UNS | N07725 |
Product Specifications of Inconel 725 Fasteners
| Specification | Details |
| Material Grade | Nickel Alloy 725 / Inconel 725® |
| UNS Number | N07725 |
| Standards | ASTM B166, ASME SB166 |
| Types | Bolts, Nuts, Washers, Screws, Threaded Rods |
| Size Range | M3 to M100 / Custom Sizes |
| Length | Up to 5 meters |
| Thread Type | UNC, UNF, Metric |
| Forms | Hex, Heavy Hex, Square, Socket |
| Surface Finish | Plain, Coated, Polished |
Chemical Composition of Inconel UNS N07725 Fasteners
| Element | Composition (%) |
| Nickel (Ni) | 55.0 – 59.0 |
| Chromium (Cr) | 19.0 – 22.5 |
| Molybdenum (Mo) | 7.0 – 9.5 |
| Niobium (Nb) | 2.75 – 4.0 |
| Titanium (Ti) | 1.0 – 1.7 |
| Iron (Fe) | Balance |
Mechanical Properties of Alloy 725 Fastener
| Property | Value |
| Tensile Strength | 827 MPa |
| Yield Strength | 586 MPa |
| Elongation | 30% |
| Hardness | Max 35 HRC |
Applications of Inconel 725 Fasteners
Our Inconel 725 Fasteners Supplier in Mumbai, India solutions are widely used across industries:
- Oil & Gas Industry – Subsea equipment, wellhead components
- Marine Engineering – Offshore platforms, seawater systems
- Aerospace – High-performance structural assemblies
- Chemical Processing – Acid handling and reactors
- Power Generation – Turbines and heat exchangers
Manufacturing Process & Quality Assurance
Our Inconel 725 Fasteners undergo a rigorous manufacturing and testing process:
- Raw material sourcing from certified mills
- Precision forging and machining
- Heat treatment for strength enhancement
- Thread rolling and finishing
- Inspection & testing:
- PMI Testing
- Mechanical Testing
- Dimensional Inspection
- Corrosion Testing
Each ASTM B166 725 Inconel Alloy Bolts and ASME SB166 Alloy 725 Heavy Hex Nuts is supplied with complete traceability and mill test certificates.
Packaging & Delivery
We ensure safe and secure delivery of all Inconel 725 Fasteners:
- Wooden boxes / pallets
- Bubble wrapping & corrosion protection
- Custom labeling & barcoding
- Timely dispatch with logistics support
Industries We Serve
We supply Inconel 725 Fasteners to:
- EPC Contractors
- Oil Refineries
- Shipbuilding Companies
- Petrochemical Plants
- Defense & Aerospace Sector
Related Products
Why Choose Us as Your Inconel 725 Fasteners Supplier in Mumbai, India?
We bring practical, hands-on industry experience in manufacturing and supplying Inconel 725 Screws, Bolts, Nuts, and Washers. Our approach focuses on performance, reliability, and long-term value.
- Industry Expertise: Years of experience working with high-performance nickel alloys.
- Strict Quality Control: All products are tested as per ASTM and ASME standards.
- Custom Manufacturing: Tailor-made fasteners based on project specifications.
- Global Supply Capability: Serving domestic and international clients efficiently.
- Competitive Pricing: High-quality products at optimized cost.
Looking for a reliable Inconel 725 Fasteners Supplier in Mumbai, India?
We are ready to support your project with high-quality, precision-engineered fasteners.
Request a quote today or contact our technical team for expert guidance.
Global Reach
ASC LLP boasts a robust global presence, committed to delivering unparalleled service and quality to clients around the world. Our dedication to prompt delivery and exceptional customer care sets us apart in the industry. Major corporations across the USA, Europe, Asia, and other regions place their trust in our high-quality Inconel 725 Fasteners. This widespread trust underscores our reputation for reliability and excellence. By consistently meeting and exceeding the expectations of our international clientele, we continue to solidify our position as a leader in the global steel market.

Countries We Export To
UNITED STATES, EUROPE, UK, UAE, SAUDI ARABIA, OMAN, KUWAIT, JORDAN, QATAR, INDONESIA, MALAYSIA, BRAZIL, SPAIN, ITALY, FRANCE, GERMANY, BAHRAIN, SRI LANKA, AZERBAIJAN, AUSTRALIA, AUSTRIA, PHILIPPINES, TURKEY, RUSSIA, IRAN, IRAQ, CANADA, KOREA, JAPAN, YEMEN, FINLAND, ZIMBABWE, HUNGARY, PORTUGAL, VIETNAM, MOROCCO, THAILAND, SOUTH AFRICA, MEXICO, SINGAPORE, GREECE, KUWAIT, POLAND, NEW ZEALAND, SWEDEN, SWITZERLAND, BELGIUM, BHUTAN, BANGLADESH, TAIWAN, ROMANIA, CAMBODIA, KAZAKHSTAN, AFGHANISTAN.

