Piyush steel is the manufacturer, supplier and exporter of ASTM B444 Inconel 625 Tubes in the vast global market. Inconel 625 tubes are generally used in industries such as oil extraction, medicine, machinery, chemicals, food containers, construction, etc. We fulfill the maximum expectations of the customers for delivery and quality of tubes. These tubes are used in many applications in oil and gas, desalination, shipbuilding, chemical and water treatment industries. Furthermore, we have these tubes available in different specializations like outer diameter, surface finish, length, end finish, and wall thickness. The tubes are manufactured according to the specifications given by the customer. Alloy 625 consists of nickel and chromium which is used for its high strength, excellent corrosion resistance ability and fabricability. The strength of the alloy is derived from the solid solution strengthening effect of molybdenum on the nickel - chromium matrix. In the condition of soft-annealed condition, the alloy is used for wet corrosion applications. It is approved by TUV for high pressure vessel, and can be enhanced by heat treatment.
Table Of Content
Features of the tube-
The Inconel 625 tubes are having excellent resistance to oxidation, pitting and crevice corrosion, stress corrosion cracking, inorganic acid corrosion performance, and machining and welding cracking sensitivity. Due to these features of the Inconel 625 tubes, our tubes are greatly preferred by the industries.
Quality assurance-
We look after the quality of the tubes as it is our prime motive to provide our customers with the best quality of tubes. We are checking the quality of the tubes at every stage of the manufacturing process. The experts keep a check over the quality of the tubes before delivering it to the client.
Manufacturing process-
The manufacturing process of ASTM B444 Inconel 625 Tubes starts with the collection of raw materials from the reliable market. The raw material is tested before using it for the manufacturing purpose. We are using sophisticated and modern methods and techniques to manufacture the tubes. The tubes go through many stages to maintain its smoothness and thickness.
Moreover, Professional experts are hired to look after the work done by the employees. These experts encourage the employees to do their work in efficient and effective manner for achieving the goals of the organization. Ranges of the tubes are set up according to the national and international set of standards and set of manufacturing norms.
Testing of the tubes-
The quality control tests are conducted regularly to maintain uniform product quality. The tests conducted are-
• Hydrostatic test
• Tensile test
• Hardness test
• Flattening test
• Flaring test
• Flange test
• Ultrasonic test
• Positive material test
• Third party inspection
Test certification of the tubes-
We have third party inspection report, fumigation certificate, 100% radiography test, and a raw material test certificate.
Documenting of the tubes-
We offer many documents with our tubes. They are-
• Commercial invoice
• Guarantee letter of the company
• Heat treatment report
• Positive material test report
• Destructive test report
• Non-destructive test report
Inspection-
A regular inspection is conducted in the organization to check the quality of the tubes. These inspections are conducted by the third party inspection squad who check the set of quality standards are used in the manufacturing of the Inconel 625 tubes.
Packaging-
The utmost care is taken towards packaging of ASTM B444 Inconel 625 Tubes. The tubes are packed in bundles and are covered with two end caps. Plastic is used for covering the tubes to avoid damages in extreme weather conditions. To avoid damages and quality reduction, the tubes are packed in wooden boxes. Various shipment documents are attached with the wooden boxes to ensure the safe delivery of the product.
Delivery of the tubes-
We ensure safe and secure delivery of the tubes. Speedy transportation facility is used for delivery of the product to sidestep the delays that happens unnecessarily.
| STANDARD | WERKSTOFF NR. | UNS | JIS | BS | GOST | AFNOR | EN |
| Inconel 625 | 2.4856 | N06625 | NCF 625 | NA 21 | ХН75МБТЮ | NC22DNB4M | NiCr22Mo9Nb |
Tube Specification : ASTM B444, B704 / ASME SB444, SB704
Dimensions : ASTM, ASME and API
Tubes Size : 6 mm OD x 0.7 mm to 50.8 mm OD x 3 mm thk.
Schedule : SCH20, SCH30, SCH40, STD, SCH80, XS, SCH60, SCH80, SCH120, SCH140, SCH160, XXS
Type : Seamless / ERW / Welded / Capillary Tubes
Form : Round Tube, Square Tube, Rectangular Tube
Length : Single Random, Double Random & Required Length
End : Plain End, Beveled End, Treaded
End Protection : Plastic Caps
Finish : Annealed and Pickled, Polished, Bright Annealed, Cold Drawn
External Coating : 3LPE / 3LPP/ FBE/ DFBE/ PP
Inspection, Test Reports : Mill Test Certificates, EN 10204 3.1, Chemical Reports, Mechanical Reports, Destructive Test Report, Non Destructive Test Reports, PMI Test Reports, Visual Inspection Reports, Third Party Inspection Reports, NABL Approved Lab Reports
Packing : Packed in Wooden Boxes, Bubble wraps, Steel Strips Bundled, or as per Customers Requests
Specials : Sizes and Specifications other than above can be manufactured on request
| Grade | C | Mn | Si | S | Cu | Fe | Ni | Cr |
| Inconel 625 | 0.10 max | 0.50 max | 0.50 max | 0.015 max | - | 5.0 max | 58.0 min | 20.0 - 23.0 |
| Element | Density | Melting Point | Tensile Strength | Yield Strength (0.2%Offset) | Elongation |
| Inconel 625 | 8.4 g/cm3 | 1350 °C (2460 °F) | Psi – 1,35,000 , MPa – 930 | Psi – 75,000 , MPa – 517 | 42.5 % |
The full identification of the tube should be continuously marked down its whole length, including :

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Seamless / Welded Tubing With Mill And Third Party Test Certificate.
Inconel 625 Tubes Price List
Request the latest Inconel 625 Tubes Price List. Please Call +91 22 23867540 or Send an Email to [email protected] for Alloy UNS N06625, 2.4856, NCF 625 Tubing Ready stock information and updated price list.