Inconel 625 Fasteners – Alloy 625 / UNS N06625 Fasteners Supplier & Exporter

Browse through all our Inconel products such as pipes, tubes, flanges, and other related fasteners. To get the information related to types, sizes, specifications, and prices, refer to our fasteners catalog. 

Introduction to Inconel 625 Fasteners

Inconel 625 fasteners are high-quality Inconel 625 (UNS N06625) fasteners material composed of a nickel-based alloy fastener that is widely recognized as being superior in the area of corrosion resistance, strength and temperature. Nickel Alloy 625 Fasteners or more commonly referred to as Alloy 625 Fasteners is a material that is a blend of nickel, chromium, molybdenum and niobium to provide outstanding performance even in harsh conditions. Some of these products are Inconel 625 Hex Bolts, UNS N06625 Inconel 625 Socket Head Cap Screw, 2.4856 Alloy 625 Hex Nuts, Inconel 625 Bolts, alloy 625 bolts, alloy 625 nuts, threaded rods, studs, washers, and U-bolts. These fasteners are designed to work in even cryogenic temperatures up to about 9821000 C and they are not oxidized and do not suffer stress corrosion cracking where normal materials fail. These fasteners have a high machinability and dimensional precision which gives long service life duration and performance under aggressive saline, acidic or alkaline environments.

Advantages of Alloy 625 Fasteners

Alloy 625 Fasteners are used across industries for their superior material properties:

• Superior Corrosion Resistance- Resists crevices, pitting, and stress corrosion in seawater, acids, and alkalis.
• High Strength & Durability – Durability under high loads and extreme stress.
• Outstanding High-Temperature Performance- Operates well at temperatures up to 1000 °C.
• Versatility – Applicable in marine, chemical, oil and gas and aerospace.
• Good Weldability & Fabrication- Machinable and weldable with no performance loss.
• Long Service Life – Very high oxidation resistance, mechanical fatigue, and thermal cycling.

How Do Inconel 625 Fasteners Perform Under High-Stress Conditions?

UNS N06625 Fasteners have a high mechanical performance even at high stress and high temperatures and corrosive conditions. The niobium and molybdenum content of the alloy offer:

• Excellent creep resistance
• High fatigue strength
• Resistance to stress corrosion cracking
• Inconel 625 Bolts, Alloy 625 Nuts and Socket head cap Screws are therefore perfect in pressure vessels, heat exchangers, turbines, and offshore where long term reliability and dimensional stability matters.

What Is the Difference Between Inconel 625 Fasteners and 825 Fasteners?

Even though both alloys are composed of nickel and provide great resistance to corrosion, they are prioritized in terms of composition and performance. To elaborate on the comparison of these two nickel alloys, as well as see more on them, read our blog Inconel 625 vs Incoloy 825.

Inconel 625 Vs Incoloy 825

Inconel 625 Fasteners Standards & Specifications: ASTM F467, ASTM F468, and ASTM B446

Inconel 625 fasteners are manufactured in accordance with the ASTM F467 and ASTM F468 and ASTM B446 standards to be highly strong, resistant to corrosion and provide a dependable service. Their sizes and tolerances are of global standards and there is consistency, durability and easy fitting in the strenuous industrial applications.

Inconel 625 Fasteners Specification Format

Chemical Composition (%)

Equivalent Grades

Mechanical Properties

Physical Properties of Inconel 625 Fasteners

Available Types of Inconel 625 Fasteners – Kalpataru Piping Solutions

Kalpataru piping solutions have a wide range of Inconel 625 fasteners, such as Alloy 625 Bolts, Alloy 625 Hex Bolts, 2.4856 Alloy 625 Hex Nuts, UNS N06625 Inconel 625 Socket Head Cap Screws, Inconel 625 bolts, nuts, screws, washers, studs, threaded rods, U-bolts, and specialty fasteners comes in in various sizes and types to suit marine, chemical, petrochemical, aerospace, and high-temperature applications.

Size Range & Dimensions for Inconel 625 Fasteners

Alloy 625 Fasteners Metric Sizes

Manufacturing Standards & Thread Types – Inconel 625 Fasteners

We adhere to ASTM, ASME, DIN, ISO, and ANSI requirements on chemical composition, mechanical characteristics and dimensional accuracies. Our fasteners come in a variety of thread types and classes (coarse and fine threads) and metric and imperial variants to achieve compatibility and interchangeability and high load performance.

Inconel 625 Fasteners – Standards & Thread Types Table

Inconel 625 Fasteners Manufacturing Process

• Cold Forging: It is easy to shape fasteners at room temperature using this technique, enhancing strength and surface finish.
• Hot Forging: It is used to transform intricate forms at high temperatures without the loss of toughness.
• Machining: In order to provide accurate dimensions in bolts, nuts, screws, and studs.
• Thread Forming: This is utilized to manufacture powerful, precise threads either via rolling or cutting.
• Cold Forging of Nuts: It produces high-strength nuts with better grains.
• Heat and Surface Treatment: Improves the mechanical properties and corrosion resistance.

Applications of Inconel 625 Fasteners

Inconel 625 fasteners are very common in high-strength, corrosion and extreme environment-demanding industries. They are best suited in the application in:

• Petrochemical Industry: Hot and corrosive chemical processing equipment.
• Automotive Industry: Parts that are subjected to temperature and other harsh conditions.
• Oil & Gas Industries: Refinery equipment, offshore rigs and pipelines.
• Power Generation: High temperature machinery, boilers and turbines.
• Sea Water Equipment: Marine pumps, desalination plants and valves.
• Electrical: The company manufactures electrical equipment, cables, and power connectors.
• Agriculture Industry: An electrical enclosure and agricultural machinery fasteners that are resistant to corrosion.
• Engineering and aerodynamic industry: Aircraft parts, engines and high performance engineering assemblies.
• Construction: Structural elements in corrosive or high-temperature temperaments.
• Heat Exchangers: Fasteners with high-performance to use in thermal equipment working in extreme conditions.

Inconel 625 Fasteners Price Chart – Kalpataru Piping Solutions

Kalpataru Piping Solutions is a supplier of Inconel 625 fasteners at competitive prices which are at industry-standard. We have Alloy 625 bolts, nuts, washers, screws, and studs that are used in extreme temperature and corrosion-prone situations. Prices are to differ depending on size, type and personal requirements.

Estimated Inconel 625 Fasteners Price 

Marking & Packing for Inconel 625 Fasteners

To avoid damage to the Inconel 625 fasteners during transportation and handling, Kalpataru Piping Solutions guarantees safe and secure packaging of all its fasteners. Export consignments are packed in wooden boxes, pallets or crates, which are fumigated, and cushioned with moisture protection. All fasteners have visible markings with information like Grade (UNS N06625), Size, Heat/batch Number, Lot Number and Manufacturer Identification. OEM and project-based requirements can also be requested to be marked and packaged in a specific manner.

Quality Assurance & Testing

Our Inconel 625 fasteners are made under a strict quality control system. All the stages, starting with the selection of the raw materials to final inspection are checked to conform to the international requirements like ASTM, ASME, DIN, EN, ISO, and BS standards. Dimensional checks, corrosion resistance, and surface inspection, and hardness testing are performed on fasteners. Third-party inspection agencies like TUV, BV, SGS and DNV, may be requested to verify the product quality, documentation and compliance to approve projects.

Test Certificates Provided

Kalpataru Piping Solutions also provides a full pack of test certificates to verify the authenticity and performance of the materials, including:

• Manufacturer Test Certificate (MTC) according to EN 10204 3.1 / 3.2.
• Raw Material Certificate / Mill Certificate.
• Heat Treatment Report
• Hardness & Mechanical Test Report.
• Chemical Composition Report.
• PMI Test Report, Positive Material Identification.
• NACE MR0103 / MR0175 Compliance (where required)
• Non-Destructive Test (NDT) Reports Radiography.
• Third-Party Inspection Reports (TPI)

Weight Charts for Inconel 625 Fasteners

Inconel 625 Bolts Weight Chart

Inconel 625 Nut Weight Chart

Torque Specifications Charts

Inconel 625 Bolt Torque Chart

Dimensional Charts & Specifications

Dimensions of Nickel 625 Threaded Rod

Inconel 625 Bolts Dimensions Chart (Hex Bolts – ISO 4014 / DIN 931)

Inconel 625 Nuts Dimensions (Hex Nuts – ISO 4032 / DIN 934)

Inconel 625 Washer Dimensions Chart (Flat Washers – DIN 125 / ISO 7089)

Frequently Asked Questions 

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Bhopal, Lahore, Milan, Hyderabad, Pune, Vadodara, Pimpri-Chinchwad, Aberdeen, Howrah, Jeddah, Riyadh, Bogota, Petaling Jaya, Dallas, Lagos, Nagpur, Houston, Brisbane, Busan, Karachi, Coimbatore, Seoul, Caracas, Atyrau, Perth, Haryana, Bengaluru, Jaipur, Al Jubail, Kuwait City, Al Khobar, Sydney, Ranchi, Chiyoda, Noida, Chandigarh, Secunderabad, Ahvaz, Port-of-Spain, Singapore, Gurgaon, Rajkot, Rio de Janeiro, Abu Dhabi, Hong Kong, Surat, Sharjah, Hanoi, London, Muscat, Jakarta, Navi Mumbai, Istanbul, Kolkata, Cairo, Mumbai, Santiago, Montreal, Faridabad, Vung Tau, Bangkok, Ankara, Ahmedabad, Granada, Melbourne, Tehran, Visakhapatnam, New Delhi, Los Angeles, Ho Chi Minh City, Edmonton, La Victoria, Baroda, Thane, Nashik, Kuala Lumpur, Moscow, Ernakulam, Courbevoie, Calgary, Geoje-si, Indore, New York, Mexico City, Gimhae-si, Ludhiana, Kanpur, Ulsan, Thiruvananthapuram, Manama, Doha, Chennai, Madrid, Jamshedpur, Algiers, Dammam

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