Manufacturer, Supplier & Exporter of Inconel 625 Spool

Inconel 625 Spool is engineered from a high-performance nickel-chromium-molybdenum alloy known for its exceptional strength, corrosion resistance, and ability to withstand extreme temperatures. These spools are widely used for piping assemblies, offshore applications, chemical plants, and high-pressure systems where reliability and durability are critical. The alloy’s superior resistance to pitting, crevice corrosion, and chloride-induced stress cracking makes it suitable for aggressive service environments. Because of these properties, Inconel 625 spools are preferred in industries that operate under severe mechanical and thermal stresses...

Riddhi Siddhi Impex, a recognized manufacturer and supplier of specialty alloy products, offers premium-grade Inconel 625 Spool solutions catered to the needs of engineering projects across India. The company specializes in producing spools with precise dimensions, high weld integrity, and optimal surface finishing. Their manufacturing process incorporates stringent quality checks to ensure that every Inconel 625 spool meets international material standards and performance specifications. This commitment to quality has enabled the company to establish a strong presence in both domestic and industrial markets..

As a domestic supplier, Riddhi Siddhi Impex ensures reliable availability of Inconel 625 spools in all major industrial and metropolitan hubs across India. They supply to infrastructure projects, refinery networks, power plants, petrochemical units, water treatment facilities, and mechanical fabrication ventures. Through efficient stock management and nationwide logistics, the company supports timely deliveries, even for large-volume or custom-fabricated spool requirements..

The company caters extensively to major Indian cities such as Mumbai, Delhi, Bengaluru (Bangalore), Hyderabad, Chennai, Kolkata, Pune, Ahmedabad, Surat, Vadodara, Rajkot, Nagpur, Indore, Bhopal, Jaipur, Kanpur, Lucknow, Agra, Varanasi, Amritsar, and Chandigarh. Their supply chain is well integrated to support industries in these regions with ready stock, technical assistance, and material documentation. These cities form important centers of manufacturing, construction, and engineering development, making them key markets for Inconel-based components..

Beyond Tier-1 cities, Riddhi Siddhi Impex also serves fast-growing industrial clusters such as Mysuru (Mysore), Udaipur, Jodhpur, Visakhapatnam, Coimbatore, Madurai, Kochi, Thiruvananthapuram, Mangalore, Nashik, Kolhapur, Chandrapur, Akola, and several smaller but important industrial districts. This extensive reach allows industries across India to source Inconel 625 spools without facing import delays or availability issues..

Inconel 625 Spool

Specification

Product Name	Inconel 625 Spool
Manufacturer	Riddhi Siddhi Impex
Material Grade	Inconel 625 / UNS N06625 / WNR 2.4856
Standard	ASTM B444, ASTM B446, ASME SB444
Spool Type	Fabricated Pipe Spool / Welded Spool / Custom Spool Assembly
Size Range	1/2” NB to 48” NB (Custom Sizes Available)
Wall Thickness	Sch 10 to Sch XXS
Length	Up to 12 m or As Per Drawing
Ends	Beveled End (BE), Plain End (PE), Flanged End
Applications	Offshore piping, Chemical processing, Heat exchangers, Oil & Gas, Marine engineering

Chemical Composition (Inconel 625)

Element	Content (%)
Nickel (Ni)	58.0 Min
Chromium (Cr)	20.0 – 23.0
Molybdenum (Mo)	8.0 – 10.0
Niobium + Tantalum (Nb+Ta)	3.15 – 4.15
Iron (Fe)	5.0 Max
Carbon (C)	0.10 Max
Manganese (Mn)	0.50 Max
Silicon (Si)	0.50 Max
Sulfur (S)	0.015 Max

Mechanical Properties

Property	Value
Tensile Strength	≥ 930 MPa
Yield Strength	≥ 517 MPa
Elongation	≥ 30%
Hardness	≤ 220 HB
Melting Range	1290 – 1350°C
Corrosion Resistance	Excellent (Strong resistance to pitting & chloride environments)

Dimension Chart (Nominal – Customizable)

Nominal Size	Outside Diameter (mm)	Wall Thickness (mm)	Length
1/2"	21.3	2.77	Up to 12 m
1"	33.4	3.38	Up to 12 m
2"	60.3	3.91	Up to 12 m
4"	114.3	6.02	Up to 12 m
6"	168.3	7.11	Up to 12 m
10"	273.1	9.27	Up to 12 m
16"	406.4	12.70	Up to 12 m

Equivalent Grades

Standard	Grade
UNS	N06625
Werkstoff Nr.	2.4856
EN	Alloy 625
ASTM	Inconel 625 (B444 / B446)
BS	NA21

Equivalent Standards

Standard	Description
ASTM B444	Seamless Pipe & Tube of Nickel Alloy 625
ASTM B446	Nickel-Chromium-Molybdenum-Columbium Rod & Bar
ASME SB444	Nickel Alloy Seamless Pipes for High Temperature Use
ISO	Nickel Alloy High-Strength Tubes

Other Types of Nickel Alloy Spools

Type	Description
Inconel 600 Spool	Suitable for heat treatment atmospheres and oxidation resistance
Inconel 625 Welded Spool	Fabricated for corrosive offshore and marine environments
Inconel 718 Spool	High-strength spool for aerospace & high-temperature equipment
Monel 400 Spool	Excellent resistance to seawater & alkaline environments

Western India—especially Gujarat and Maharashtra—forms one of the strongest markets for the company. They supply Inconel 625 Spool to industrial belts including Vilayat, Somnath, Dahej, Vadodara, Narmada, Surat, Ankleshwar, Navsari, Valsad, and Rajpipla, where chemical, petrochemical, and process industries require high-grade corrosion-resistant materials. The company provides tailored spool fabrication aligned with project-specific drawings and welding requirements, which is crucial for turnkey industrial setups..

Frequently Asked Questions (FAQs)

Q1: What are the main applications of Inconel 625 Spool?

A1: It is used in chemical plants, offshore platforms, heat exchangers, marine systems, oil & gas piping, and high-temperature environments.

Q2: Can Inconel 625 Spools be customized?

A2: Yes, spools can be produced according to client drawings, including custom diameters, wall thickness, lengths, and welding configurations.

Q3: Is Inconel 625 corrosion-resistant?

A3: Yes, it offers excellent resistance to pitting, crevice corrosion, oxidation, and chloride stress-corrosion cracking.

Q4: What industries commonly use Inconel 625 Spools?

A4: Oil & gas, aerospace, chemical processing, marine engineering, power generation, and desalination plants.