Inconel 625 Seamless tubes - Premium High-Temperature Alloy Tubing
Inconel 625 Seamless tubes are used for their high strength, excellent fabricability and outstanding corrosion resistance. Inconel 625 Seamless Pipe is a high-performance nickel-based alloy tube manufactured without welded seams, providing enhanced structural integrity and pressure resistance compared to welded alternatives. The seamless construction reduces the risk of leakage and improves reliability in high-pressure and high-temperature environments. Produced with precise dimensional control and high-quality surface finishing, Inconel 625 Seamless Tubes are widely used in aerospace systems, chemical processing plants, marine engineering, oil and gas facilities, and power generation equipment. Each pipe undergoes rigorous inspection and testing to ensure compliance with international standards and demanding service conditions.
Inconel Alloy 625 Commonly called: Inconel 625, Alloy 625, Nickel 625, Chornin 625, Altemp 625, Nickelvac 625, Haynes 625, Nicrofer6020, INCONEL nickel-chromium alloy 625 (UNS N06625/W.Nr. 2.4856). The alloy composition typically includes approximately 58% nickel, 20–23% chromium, and 8–10% molybdenum. This balanced formulation delivers outstanding resistance to oxidation, carburization, crevice corrosion, and chloride-ion stress corrosion cracking, making it an ideal material for critical industrial applications operating in aggressive environments. Service temperatures range from cryogenic to 1800°F (982°C). The strength of INCONEL alloy 625 is derived from the stiffening effect of molybdenum and niobium on its nickel-chromium matrix; precipitation-hardening treatments are not required. This combination of elements is also responsible for superior resistance to a wide range of corrosive environments of unusual severity as well as to high-temperature effects such as oxidation and carburization.
Specifications of Inconel 625 Seamless Pipe & Tubes
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Specifications and standards |
ASTM B 444; ASTM B 829; ASME SB444; ASME SB 829 (Seamless Pipe & Tube), ASTM B704; ASTM B 751; ASME SB 704; ASME SB 751 (Welded Tube), ASTM B705; ASTM B 775; ASME SB 705; ASME SB 775 (Welded Pipe), ISO 6207 (Tube), AMS 5581 (Seamless Tube), VdTÜV 499 (Tube), BS 3074NA21 (Seamless Pipe & Tube), DIN 17751 (Tube), ASME Code Case 1935. |
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Inconel 625 Seamless Pipe & Tube |
Outside Diameter (OD) |
6mm - 219mm |
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Wall Thickness (WT) |
0.5mm - 15mm |
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Length |
Up to 18 meters |
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Grade |
Inconel 625 ,UNS N06625 ,W.Nr. 2.4856 |
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Manufacturing Capacity |
100-200 tons/month |
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Inconel Alloy 625 Pipe Finish |
Polished, AP (Annealed & Pickled), BA (Bright & Annealed), MF |
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ASTM B444 N06625 Pipe Form |
Round, Square, Hollow, Hydraulic, Straight Pipes Etc. |
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Marking |
All Alloy 625 Pipes are marked as follows: Standard, Grade, OD, Thickness, Length, Heat No. (Or according to the customer's request.) |
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Material Test Certificates (MTC) |
Material Test Certificates (MTC) as per EN 10204 3.1 and EN 10204 3.2(SGS,BV,TUV) |
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Physical and Chemical Properties
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Element |
Content (%) |
Property |
Value |
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Nickel (Ni) |
58.0 min |
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Chromium (Cr) |
20.0-23.0 |
Density |
8.44 g/cm³ |
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Molybdenum (Mo) |
8.0-10.0 |
Melting Point |
1290-1350°C |
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Iron (Fe) |
5.0 max |
Tensile Strength |
760 MPa min |
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Niobium (Nb) |
3.15-4.15 |
Yield Strength |
345 MPa min |
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Carbon (C) |
0.10 max |
Elongation |
30% min |
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Aluminum (Al) |
0.40 max |
Thermal Conductivity |
9.8 W/m·K |
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Titanium (Ti) |
0.40 max |
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Production and Handling Technology
TSM Technology innovation utilizes advanced manufacturing methods to create high-quality consistent channels. Our 50,000㎡ office houses over 100 accuracy machines devoted to combination processing. We use vacuum acceptance softening followed by vacuum bend remelting to achieve a homogeneous chemical composition. The consistent pipe generation includes hot-penetrating and pilgering processes, guaranteeing uniform wall thickness and a high surface finish.
What is the Production Process of Inconel 625 Seamless Tubes?
Quality Inspection
To ensure product quality, TSM Technology conducts the following self-inspections on manufactured seamless pipes. Here's a table summarizing the main testing requirements for seamless tubes under ASTM B338, to ensure that the products meet both applicable standards and customer requirements.
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Inspection Item |
Description |
Methods |
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Chemical Composition |
Ensures proper material composition |
Optical Emission Spectroscopy (OES), X-ray Fluorescence (XRF), Inductively Coupled Plasma (ICP) analysis |
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Mechanical Testing |
Tests strength, flexibility, and formability |
Tensile test (room temperature), yield strength, elongation, flattening test, flaring test |
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Non-Destructive Testing (NDT) |
Detects internal and surface defects |
100% Eddy Current Testing (ET), Ultrasonic Testing (UT), Hydrostatic test, Pneumatic pressure test |
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Dimensional Inspection |
Verifies tube dimensions and straightness |
OD, wall thickness, length, straightness (micrometer, caliper, laser) |
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Surface Inspection |
Visual check for surface defects |
Visual inspection for dents, cracks, pits |
Our thorough quality control guarantees each pipe meets requesting determinations. We keep up ISO 9001, AS9100D, and AS9120 certifications for aviation and mechanical applications. Each shipment of Inconel 625 Seamless Pipe includes Material Test Certificates (MTC) and comprehensive documentation for traceability.
Application
These versatile Inconel 625 Seamless Tubes serve critical roles across multiple industries:
Aerospace: Fly motor components, deplete frameworks, and fuel lines requiring high-temperature performance.
Chemical Preparation: Warm exchangers, reactor vessels, and channeling frameworks taking care of destructive chemicals.
Energy Era: Steam generator tubing, atomic reactor components, and gas turbine parts.
Marine Designing: Seawater channeling frameworks, seaward stage components, and submarine applications.
Petrochemical: Refinery hardware, catalyst tubes, and high-pressure channeling systems.
What are the Features of Inconel 625 Seamless Tubes?
Exceptional Erosion Resistance: Withstands forceful chemicals, seawater, and acidic situations without degradation.
High-Temperature Steadiness: Maintains mechanical properties up to 1000°C, making it ideal for heater applications.
Seamless Development: Dispenses with frail focuses related with welded joints, giving prevalent weight resistance.
Oxidation Resistance: Shapes defensive oxide layer anticipating encourage erosion at lifted temperatures.
Fatigue Resistance: Fabulous execution beneath cyclic stacking conditions common in aviation applications.
Workability: Simple to machine, weld, and frame utilizing standard creation techniques.
Why Choose TSM Technology?
Proven Ability: Over 14 a long time fabricating high-performance amalgams with trades to 70+ countries.
Advanced Fabricating: State-of-the-art office with 200 tons of monthly generation capacity.
Quality Affirmation: Numerous certifications and comprehensive testing guarantee reliability.
Technical Back: Our building group gives application direction and fabric determination assistance.
Global Reach: Built up coordinations organize guarantees opportune conveyance worldwide.
Customization Capability: We oblige extraordinary sizes and preparation requirements.
Your victory depends on dependable materials. Our item arrangements give the execution affirmation you require for basic applications.
Package and Shipping
TSM Technology manufactures precision nickel and nickel alloy tubes in the following alloys:
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Alloy |
UNS |
Tube & Pipe (Seamless) standard |
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Inconel 601 |
N06601 |
B163 / B167 / B829 |
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Inconel 625 |
N06625 |
B444 AMS 5581 |
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Inconel 718 |
N07718 |
AMS 5589 / 5590 |
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Inconel 750 |
N07750 |
AMS 5582 / 5583 |
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Incoloy 800 |
N08800 |
B163 / B407 |
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Incoloy 800H |
N08810 |
B163 / B407 |
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Incoloy 800HT |
N08811 |
B163 / B407 |
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Incoloy 825 |
N08825 |
B163 / B423 |
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Hastelloy C22 |
N06022 |
B622 |
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Hastelloy C276 |
N10276 |
B622 |
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Monel 400 |
N04400 |
B161 / B163 |
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Monel K500 |
N05500 |
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FAQ
Q1: Can you customize pipe measurements past standard ranges?
A1: Yes, we routinely create custom sizes. Our building group can work with your determinations to decide the possibility and give citations for non-standard dimensions.
Q2: What testing certificates do you give with each order?
A2: Each shipment incorporates Fabric Test Certificates (MTC) assembly EN 10204 3.1 prerequisites. Extra testing such as PMI reports or uncommon erosion testing can be orchestrated upon request.
Q3: How do you guarantee reliable quality over huge orders?
A3: We execute bunch following all through generation and conduct examining review at each fabricating organize. Our quality administration framework guarantees reliable properties over whole orders.
Q4: What is the least amount for consistent pipes?
A4: The least orders regularly begin at 100kg, in spite of the fact that we can suit smaller amounts for uncommon applications. Contact us to examine your particular requirements.
Q5: Do you give specialized feedback for fabric selection?
A5: Completely. Our metallurgical engineers offer an application interview to offer assistance to you in selecting the ideal amalgam and determinations for your particular working conditions.
Contact Us
Ready to discuss your Inconel 625 Seamless Pipe requirements? Our specialized group is available to provide detailed citations and support.
Email: info@tsmnialloy.com
Manufacturing Capacity: 100-200 tons/month
Quality Certifications: ISO 9001, AS9100D, AS9120
Global Experience: 14+ years serving 70+ countries
Contact us today for competitive estimating and specialized meetings on your upcoming project.
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