Manufacturer, Supplier & Exporter of Inconel Coupling / Half Coupling

Inconel Couplings and Half Couplings are specialized high-performance fittings widely used in industries that demand resistance to extreme temperatures, pressures, and corrosive environments. These components are typically manufactured from Inconel alloys such as 600, 625, 718, and 825, known for their excellent oxidation and corrosion resistance. Inconel couplings are essential in chemical processing plants, oil and gas industries, power generation units, aerospace applications, and marine engineering, where conventional materials fail to maintain structural integrity under harsh conditions. The robust mechanical properties of these alloys make them ideal for piping systems and industrial assemblies that operate under high-stress scenarios, ensuring long-term reliability and safety..

Riddhi Siddhi Impex is one of the leading manufacturers and suppliers of Inconel Couplings and Half Couplings in India. With over two decades of experience in supplying high-quality industrial fittings, the company has built a reputation for reliability, precision, and customer satisfaction. Riddhi Siddhi Impex specializes in producing these couplings in various sizes, pressure ratings, and configurations, ensuring compatibility with diverse industrial requirements. Their products meet stringent industry standards and international quality certifications, making them trusted across both domestic and global markets.

The company offers a comprehensive range of Inconel couplings and half couplings, including socket weld, threaded, and butt weld types. Each product is carefully engineered to provide excellent dimensional accuracy, corrosion resistance, and durability. Moreover, Riddhi Siddhi Impex provides customization options, enabling clients to specify the exact material grade, dimensions, pressure class, and finishing, which ensures that each coupling meets the unique demands of specific applications. This flexibility makes the company a preferred choice for projects that require precision-engineered components for critical industrial operations..

Quality assurance is a cornerstone of Riddhi Siddhi Impex’s manufacturing process. Every Inconel coupling and half coupling undergoes strict quality control procedures, including material composition verification, dimensional inspection, and hydrostatic or pressure testing. The company adheres to globally recognized standards and certifications, ensuring that every product leaving their facility performs reliably under high-temperature and corrosive conditions. This commitment to quality has helped Riddhi Siddhi Impex maintain long-term partnerships with major industrial clients across India and abroad...

Riddhi Siddhi Impex has established a strong domestic presence, supplying Inconel couplings and half couplings to key industrial cities in India. Their distribution network covers metropolitan and industrial hubs such as Mumbai, Delhi, Bengaluru, Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, Chandigarh, Mysuru, Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, Vilayat, Somnath, Dahej, Ankleshwar, Navsari, Valsad, and Rajpipla. This extensive reach ensures timely delivery and availability of products across India’s major industrial centers..

Inconel Coupling / Half Coupling

Specification

Grade	Inconel 600, 625, 718, 825
Standard	ASTM B564 / ASME B16.11
Size	1/4" to 4" or as per requirement
Pressure Rating	Class 150, 300, 600, 900
Finish	Polished, Satin, Custom
Form	Coupling, Half Coupling, Socket Weld, Threaded, Butt Weld

Chemical Composition

Element	Content (%)
Nickel (Ni)	38 – 72
Chromium (Cr)	14 – 23
Iron (Fe)	Balance / 6 – 39
Molybdenum (Mo)	2.5 – 10
Cobalt (Co)	0 – 1.2
Carbon (C)	≤ 0.08 – 0.15
Manganese (Mn)	≤ 1
Silicon (Si)	≤ 0.5 – 1

Mechanical Properties

Property	Value
Tensile Strength	515 – 1240 MPa
Yield Strength (0.2% offset)	140 – 1034 MPa
Elongation	12 – 50%
Hardness	95 – 350 HB

Dimension Chart

Size (inches)	Socket Weld	Threaded	Butt Weld
1/4"	10 mm	10 mm	12 mm
1/2"	15 mm	15 mm	18 mm
1"	25 mm	25 mm	28 mm
2"	50 mm	50 mm	55 mm
4"	100 mm	100 mm	110 mm

Equivalent Grades

Standard	Grade
ASTM	Inconel 600, 625, 718, 825
UNS	N06600, N06625, N07718, N08825

Equivalent Standards

Standard	Description
ASTM B564	Nickel Alloy Forgings for Piping Components
ASME B16.11	Forged Fittings, Socket-Welding and Threaded

Other Types of Inconel Fittings

Type	Description
Elbow	Used to change pipe direction
Tee	Used for branching pipelines
Reducer	Used to connect different pipe sizes
Flange	Used to join pipes and valves securely

Industries served by Riddhi Siddhi Impex range from oil and gas, petrochemical, and power generation sectors to aerospace and marine engineering. In these industries, Inconel couplings and half couplings are critical for systems that must resist high corrosion, chemical exposure, and extreme heat. The company’s products are widely used in pipelines, process plants, and equipment assemblies where reliability and longevity are non-negotiable. Their fittings ensure seamless operation and minimal downtime, which is crucial for industries operating on tight schedules and strict safety standards..

Frequently Asked Questions (FAQs)

Q1: What are the common applications of Inconel Coupling / Half Coupling?

A1: Inconel Couplings and Half Couplings are widely used in chemical processing, marine, aerospace, power generation, and petrochemical industries due to their high corrosion and heat resistance.

Q2: Can Inconel Couplings be custom-made?

A2: Yes, these couplings can be manufactured in custom sizes, grades, and pressure ratings to meet specific project requirements.

Q3: What are the advantages of using Inconel over other alloys?

A3: Inconel offers excellent resistance to oxidation, high temperature, and corrosion in acidic or marine environments, making it superior to many standard stainless steels in extreme conditions.

Q4: Are Inconel Couplings compatible with standard piping systems?

A4: Yes, Inconel Couplings and Half Couplings are designed to meet ASTM and ASME standards, ensuring compatibility with standard piping systems including socket weld, threaded, and butt weld connections.