Manufacturer, Supplier & Exporter of Inconel Union

Riddhi Siddhi Impex is a prominent manufacturer and supplier of Inconel Unions in India, catering to a wide range of industrial applications that require superior corrosion resistance, high strength, and excellent performance at elevated temperatures. Inconel Unions are nickel-chromium-based alloy fittings widely used in chemical processing, petrochemical, marine, aerospace, power generation, and oil & gas industries. Riddhi Siddhi Impex ensures that all products meet international standards such as ASTM B564 and ASME B16.11, providing clients with high-quality, reliable, and durable piping solutions that perform efficiently under extreme conditions...

Inconel Unions supplied by Riddhi Siddhi Impex are manufactured using precision forging techniques and undergo stringent quality control measures, including hydrostatic testing, dimensional verification, and chemical composition analysis. The company offers various grades, including Inconel 600, 625, 718, and 825, each specifically engineered to withstand corrosion, oxidation, and stress in highly demanding environments. These unions are available in multiple types, including socket weld, threaded, and butt weld, making them compatible with a wide variety of piping systems and industrial applications..

Riddhi Siddhi Impex has a strong presence across the Indian domestic market, supplying Inconel Unions to cities 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, Rajpipla, and Narmada. Their extensive network ensures prompt delivery, local availability, and responsive service across all major industrial hubs..

The Inconel Unions offered are designed with precise dimensions, pressure ratings, and finishes to meet specific engineering requirements, ranging from Class 150 to Class 900. Custom sizes, designs, and finishes can be provided according to client specifications. These unions are engineered to maintain leak-proof connections and optimal flow, ensuring long-term operational efficiency in industrial piping systems. Every union is carefully inspected to guarantee compliance with international standards and industrial specifications...

Inconel Unions are highly valued for their superior resistance to oxidation, pitting, and stress corrosion cracking, making them ideal for high-temperature and highly corrosive applications. They can withstand temperatures up to 1000°C, making them suitable for use in chemical reactors, heat exchangers, marine equipment, power generation plants, and aerospace systems. Riddhi Siddhi Impex ensures that all material grades comply with recognized standards such as UNS and ASTM, offering clients globally compliant, high-quality components..

Inconel Union

Specification

Grade	Inconel 600 / 625 / 718 / 825
Standard	ASTM B564 / ASME B16.11
Type	Socket Weld, Threaded, Butt Weld
Pressure Rating	Class 150 – Class 900
Finish	Polished, Plain, Customized
Size Range	1/4" – 6" or custom sizes

Chemical Composition

Element	Content (%)
Nickel (Ni)	72.0 – 76.0
Chromium (Cr)	14.0 – 17.0
Iron (Fe)	6.0 – 10.0
Cobalt (Co)	≤ 1.0
Carbon (C)	≤ 0.15
Manganese (Mn)	≤ 1.0
Silicon (Si)	≤ 0.50
Phosphorus (P)	≤ 0.025
Sulfur (S)	≤ 0.015

Mechanical Properties

Property	Value
Tensile Strength	≥ 480 MPa
Yield Strength (0.2% offset)	≥ 170 MPa
Elongation	≥ 30%
Hardness	≤ 95 HRB

Dimension Chart

Size (inch)	OD (mm)	ID (mm)	Length (mm)
1/4"	12.7	6.35	35
1/2"	21.3	12.7	40
3/4"	26.7	19.05	45
1"	33.4	25.4	50
2"	60.3	50.8	60

Equivalent Grades

Standard	Grade
ASTM	Inconel 600 / 625 / 718 / 825
UNS	N06600 / N06625 / N07718 / N08825
EN	2.4816 / 2.4856 / 2.4668 / 2.4858

Equivalent Standards

Standard	Description
ASTM B564	Nickel and Nickel Alloy Forged Fittings
ASME B16.11	Forged Steel Fittings, Socket Weld, and Threaded

Other Types of Inconel Fittings

Type	Description
Socket Weld Union	Ideal for small diameter piping with high-pressure applications
Threaded Union	Quick installation without welding for medium pressure pipelines
Butt Weld Union	High strength and leak-proof connection for critical systems
Reducing Union	Connects pipes of different diameters

The company also emphasizes providing cost-effective solutions without compromising on quality, making their Inconel Unions accessible to industries of all sizes. By maintaining an extensive inventory of multiple grades and sizes, Riddhi Siddhi Impex minimizes lead times, ensures uninterrupted supply, and supports smooth project execution. This proactive approach allows clients across India to procure high-quality unions efficiently, even for urgent or large-scale industrial requirements..

Frequently Asked Questions (FAQs)

Q1: What industries use Inconel Unions?

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

Q2: Can Inconel Unions be supplied in custom sizes?

A2: Yes, Riddhi Siddhi Impex offers custom dimensions, grades, and pressure ratings to meet specific project requirements.

Q3: Are these unions compatible with standard piping?

A3: Yes, Inconel Unions conform to ASTM B564 and ASME B16.11 standards, ensuring compatibility with standard piping systems.

Q4: What makes Inconel superior to stainless steel?

A4: Inconel offers higher resistance to oxidation, pitting, and stress corrosion cracking, especially at elevated temperatures, compared to most stainless steels.