Inconel 625 Seamless & Welded Pipes & Tubes Manufacturer, Supplier in India
Amardeep Steel Centre is a reliable manufacturer with specialization of stockists and one of the largest exporters of high performance Inconel 625 Pipes & Tubes. Our Alloy 625 products are produced to ASTM B444 specifications and provide excellent strength and resistance to pitting, oxidation, and other forms of corrosion. We supply both UNS N06625 tubing in Grade 1 (Annealed) and Grade 2 (Solution Annealed) conditions making us a consolidated supplier for your aerospace, marine, and chemical processing applications. Our complete Inconel 625 Seamless Pipes and Inconel 625 Welded Pipes are certified and available for immediate delivery.
What are Inconel 625 Pipes & Tubes?
Inconel 625 Alloy (UNS No6625) is a prime alloy that is primarily composed of nickel, chrome, molybdenum, and niobium. Due to these features, this material alloy 625 pipes become high strength and tough, making it suitable for high temperature applications, temperatures up to 1800°F (982°C). This alloy is especially noted for its very high corrosion resistance in a wide variety of corrosive environments. It offers more protection from pitting and crevice corrosion when exposed to salt water or similar environments containing chloride. Inconel 625 tube and tubing products are significant as they can be utilized in various uses, particularly in extreme conditions where different materials would not work. You can rely on it to be durable and long-lasting, whether you need a seamless tube for high-pressure heat exchange or a welded tube for structural applications; both with alloy 625 are sure to prove themselves to be great long-term investments. Amardeep Steel is a reputed steel manufacturer and supplier of Inconel 625 pipes and tubes, in addition to other materials that are used in various industries.
Inconel Alloy 625 (UNS N06625) is a high-quality alloy made of nickel, chromium, molybdenum, and niobium. Because of this special mix of chemicals, Inconel 625 Pipes are known for being very strong and tough from very cold temperatures all the way up to 1800°F (982°C). The alloy is highly valued for its outstanding resistance to a wide range of corrosive environments. For example, it offers better protection against pitting and crevice corrosion in chloride-containing media such as seawater.
Because Inconel 625 Tubes can be used in many different ways, they are very important in harsh environments where other materials would fail. Alloy 625 is reliable over the long term, whether you need Inconel 625 Seamless Tubes for high-pressure heat exchanges or strong Inconel 625 Welded Tubes for structural uses.
Table of Contents
- Types of Inconel 625 Pipes & Tubes
- Physical properties of Inconel 625 Tube
- Specification of Inconel 625 Pipes & Tubes
- Chemical Composition of Inconel 625 Pipes & Tubes
- Mechanical Properties of Inconel 625 Pipes & Tubes
- Equivalent Grades of Inconel 625 Pipes
- Inconel 625 Pipe HS Code
- Dimensions of UNS N06625 Pipe
- Pressure Rating of Inconel 625 Tubing
- Inconel 625 Pipe Weight Chart (per Meter)
- Welding and Fabrication of Alloy 625
- Available Types of Inconel 625 Pipes & Tubes
- Applications of Inconel 625 Pipes
- Why Choose Amardeep Steel for Your Inconel 625 Pipes & Tubes?
- Related Products
Types of Inconel 625 Pipes & Tubes
Inconel Alloy 625 Seamless Pipes
The chemical composition of Inconel 625 seamless pipe is mainly composed of nickel and chromium with 58% and 20% respectively. The rest of the composition consists of carbon, manganese, silicon, iron, sulfur, aluminum and titanium. It is very highly resistant to corrosion and thus is well-suited for use in seawater. Seamless pipe's diameters include 4 mm to 219mm. The wall thickness of these sockets is from 0.5mm to 20mm. The pipes can be purchased in larger diameter sizes from 5 to 160 schedules. This alloy comes in a range of products such as round pipes, hydraulic pipes, etc.
Inconel 625 seamless pipe contains 58% nickel and 20% chromium. The remainder of the composition includes carbon, manganese, silicon, iron, sulfur, aluminum, and titanium. Because it has superior corrosion resistance, the alloy is an excellent choice for seawater applications. The seamless pipe is available in sizes ranging from 4mm to 219mm in diameter. For these sockets, the wall thickness ranges from 0.5mm to 20mm. For larger diameter applications, the pipes are available in schedules ranging from 5 to 160. This alloy is offered in various forms, including round and hydraulic pipes.
Inconel Alloy 625 Welded Tubes
Welding Inconel may be difficult because the welds that are made tend to split. Certain type of Inconel alloys were especially designed to be used in welding such as TIG (Tungsten Inert Gas). Inconel 625 Tube is used in methods that demand high heat. It is a Ni-Cr alloy that is suitable for use over a wide temperature range in high-strength components, has oxidation problem areas, and is particularly useful in the offshore oil & gas and aerospace industries. Inconel 625 tubes, which are known to exhibit high pitting, stress corrosion, crevice corrosion, corrosion fatigue, and erosion corrosion resistance, are used to ensure that their mechanical characteristics are preserved at 450 °C (840 °F). Inconel 625 tubes are produced according to AMS 5581 specification. The cold-drawn tubes have lengths of 6m and 3m.
Welding Inconel may be difficult because the welds that are made tend to split. Some alloys of Inconel were particularly planned for utilization in welding like TIG (Tungsten Inert Gas). Inconel 625 Tube is used in methods where high heat is required. This nickel-chromium alloy is a good choice for extreme temperature use in high-strength parts because it has oxidation problem areas and finds particular application in the offshore oil & gas and aerospace industries.
Inconel 625 tubes, also known for their great resistance to pitting, stress corrosion, crevice corrosion, corrosion fatigue, and erosion corrosion, help to to maintain their mechanical properties 450 °C (840 °F). Inconel 625 tubing is manufactured as per AMS 5581. The cold-drawn tubes are available in different lengths of 6 meters and 3 meters.
Specification of Inconel 625 Pipes & Tubes
| Specifications | ASTM B 167 ASME SB 167 / ASTM B 829 ASME SB 829 / ASTM B 517 ASME SB 517 |
|---|---|
| Dimensions | ASTM, ASME and API |
| Seamless 625 Pipe | 4 to 219mm W. T.: 0.5 to 20mm |
| Welded 625 Pipe | 5.0 mm – 1219.2 mm |
| EFW 625 Pipe | 5.0 mm – 1219.2 mm |
| Size | 15″NB TO 150″NB IN |
| Specialized in | Large Diameter Size |
| Schedule | SCH5, SCH10, SCH40, STD, SCH80, SCH160 |
| Type | Seamless / ERW / Welded / Fabricated / LSAW Pipes |
| Form | Round, Hydraulic Etc |
| Length | Single Random, Double Random & Cut Length. |
| End | Plain End, Beveled End, Treaded |
Chemical Composition of Inconel 625 Pipes & Tubes
| Element | Content (%) |
|---|---|
| Nickel (Ni) | 58.0 min |
| Chromium (Cr) | 20.0 - 23.0 |
| Molybdenum (Mo) | 8.0 - 10.0 |
| Niobium (Nb) + Tantalum (Ta) | 3.15 - 4.15 |
| Iron (Fe) | 5.0 max |
Mechanical Properties of Inconel 625 Pipes & Tubes
| Density | 8.4 g/cm3 |
|---|---|
| Melting Point | 1350 °C (2460 °F) |
| Tensile Strength | Psi – 1,35,000 , MPa – 930 |
| Yield Strength (0.2%Offset) | Psi – 75,000 , MPa – 517 |
| Elongation | 42.5 % |
Physical properties of Inconel 625 Tube
| Alloy Grade | Density | Specific Heat | Thermal Conductivity | Electrical Resistivity | Elastic Modulus(Young's Modulus) |
|---|---|---|---|---|---|
| Inconel 625 | 8.44 g/cm 3 * | 410 J⋅kg −1 ⋅K −1 * | 10.3 W⋅m −1 ⋅K −1 | 131μΩ⋅cm * | 207 \text{ GPa} |
Equivalent Grades of Inconel 625 Pipes
|
Standard |
UNS |
Werkstoff Nr. |
JIS |
ISO |
BS |
AFNOR |
|---|---|---|---|---|---|---|
|
Grade |
N06625 |
2.4856 |
NCF 625 |
NiCr22Mo9Nb |
NA 21 |
NC22DNB4M |
Inconel 625 Pipe HS Code
| Material | HS code |
|---|---|
| Inconel 625LCF | 75071200 |
Dimensions of UNS N06625 Pipe
|
Nominal Thickness (in) |
Pipe Size (in) |
External Diameter (in) |
Internal Diameter (in) |
Weight (lb/ft) |
Threads per inch |
|---|---|---|---|---|---|
|
0.068 |
1/8 |
0.405 |
0.269 |
0.24 |
27 |
|
0.088 |
1/4 |
0.540 |
0.364 |
0.42 |
18 |
|
0.091 |
3/8 |
0.675 |
0.493 |
0.57 |
18 |
|
0.109 |
1/2 |
0.840 |
0.622 |
0.85 |
14 |
|
0.113 |
3/4 |
1.050 |
0.824 |
1.13 |
14 |
|
0.133 |
1 |
1.315 |
1.049 |
1.68 |
11 ½ |
|
0.140 |
1 1/4 |
1.660 |
1.380 |
2.27 |
11 ½ |
|
0.145 |
1 1/2 |
1.900 |
1.610 |
2.72 |
11 ½ |
|
0.154 |
2 |
2.375 |
2.067 |
3.65 |
11 ½ |
|
0.203 |
2 1/2 |
2.875 |
2.469 |
5.79 |
8 |
|
0.216 |
3 |
3.500 |
3.068 |
7.58 |
8 |
|
0.226 |
3 1/2 |
4.000 |
3.548 |
9.11 |
8 |
|
0.237 |
4 |
4.500 |
4.026 |
10.79 |
8 |
|
0.258 |
5 |
5.563 |
5.047 |
14.62 |
8 |
|
0.280 |
6 |
6.625 |
6.065 |
18.97 |
8 |
|
0.322 |
8 |
8.625 |
7.981 |
28.55 |
8 |
|
0.365 |
10 |
10.750 |
10.020 |
40.48 |
8 |
|
0.406 |
12 |
12.750 |
11.938 |
53.57 |
8 |
|
0.437 |
14 |
14.000 |
13.126 |
63.39 |
8 |
|
0.500 |
16 |
16.000 |
15.000 |
82.77 |
8 |
|
0.562 |
18 |
18.000 |
16.876 |
104.67 |
8 |
|
0.593 |
20 |
20.000 |
18.814 |
123.01 |
8 |
|
0.687 |
24 |
24.000 |
22.626 |
171.29 |
8 |
Pressure Rating of Inconel 625 Tubing
|
OD (in) |
Wall Thickness: 0.035" |
Wall Thickness: 0.049" |
Wall Thickness: 0.065" |
|---|---|---|---|
|
1/4" |
4,800 |
7,000 |
9,500 |
|
3/8" |
3,100 |
4,400 |
6,100 |
|
1/2" |
2,300 |
3,200 |
4,400 |
|
3/4" |
- |
2,200 |
3,000 |
|
1" |
- |
- |
2,200 |
Inconel 625 Pipe Weight Chart (per Meter)
This chart provides the nominal weight for common sizes of Schedule 40 and Schedule 80 pipes.
|
NPS (in) |
OD (mm) |
Schedule 40 ( |
Schedule 80 ( |
|---|---|---|---|
|
1/2" |
21.3 |
1.27 |
1.62 |
|
3/4" |
26.7 |
1.69 |
2.20 |
|
1" |
33.4 |
2.50 |
3.24 |
|
1 1/2" |
48.3 |
4.05 |
5.41 |
|
2" |
60.3 |
5.44 |
7.48 |
|
3" |
88.9 |
11.29 |
15.27 |
|
4" |
114.3 |
16.07 |
22.32 |
|
6" |
168.3 |
28.26 |
42.56 |
|
8" |
219.1 |
42.55 |
64.63 |
Welding and Fabrication of Alloy 625
Inconel 625 exhibits excellent fabricability and weldability, making the production of Inconel 625 Seamless & Welded Pipes & Tubes highly reliable. It can be readily welded by most standard processes, including Gas Tungsten Arc Welding (GTAW/TIG) and Gas Metal Arc Welding (GMAW/MIG). Due to its high strength, it resists post-weld heat treatment cracking. For best results, matching filler metals like AWS A5.14 ERNiCrMo-3 are recommended to maintain the corrosion resistance and strength of the weld joint.
Available Types of Inconel 625 Pipes & Tubes
Applications of Inconel 625 Pipes
- Chemical Processing Equipment: This material is commonly used in different applications such as reactors, scrubbers, heat exchangers, and where high corrosion resistance is important, like petrochemical and other chemical industries.
- Oil & Gas Industry: It is commonly used in offshore platforms, subsea pipelines, and sour gas fields where resistance to corrosion and stresses from hydrogen sulfide (H₂S), chlorides, and extreme pressures is required.
- Water Treatment Plant: These are generally applied in power plants within wet scrubber systems where there is high concentration of sulfur compounds and chlorides to provide corrosion and long lasting durability.
- Marine & Seawater Applications: Excellent resistance to chloride induced pitting and crevice corrosion in aggressive seawater environments, ideal for seawater cooling system, desalination plants, marine piping etc.
- Heat Exchangers & Condensers: Ideal for high-temperature and corrosive applications, particularly in petrochemical and chemical processing facilities where thermal stability and corrosion resistance are paramount.
- Aerospace & High-Temperature Systems: Strength, fatigue resistance, and oxidation resistance at high temperatures are required: Used in aircraft ducting, exhaust systems and components at high temperatures.
- Power generation: Used in thermal power plants and nuclear reactors as tubing and piping where high temperature, pressure and corrosive environment are required.
- Pollution Control Equipment: Resistive to acidic gases and harsh chemical environments, used in scrubbers, stack liners and emission control systems for long service life.
Why Choose Amardeep Steel Center LLP for Your Inconel 625 Pipes & Tubes?
- Manufacturing Excellence: As a direct manufacturer of Inconel 625 Seamless & Welded Pipes & Tubes, we guarantee quality from start to finish.
- Competitive Price: Our efficient operations ensure you get the best price for premium quality material.
- Extensive Stock: A vast inventory of Inconel 625 Pipes & Tubes means faster delivery for your project.
- Global Exporter: We are an experienced exporter providing seamless logistics and complete documentation for international clients.
- Assured Quality: All material is sourced from reputable mills and supplied with full traceability and certification.
Related Products
- Inconel Pipes & Tubes
- Inconel 600 Pipes & Tubes
- Inconel 601 Pipes & Tubes
- Inconel 690 Pipes & Tubes
- Inconel 718 Pipes & Tubes
- Inconel 800/800h/800ht Pipes & Tubes
- Inconel 825 Pipes & Tubes
- Inconel Plates, Sheets & Coils
- Inconel Bars, Rods & Wires
- Inconel Forged Fittings
- Inconel Buttweld Fittings
- Inconel Flanges
- Inconel Fasteners
- Hastelloy C276 Pipes & Tubes
- Inconel 625 Plates & Sheets
- Inconel 625 Round Bar
Frequently Asked Questions
What is Inconel 625 used for?
Inconel 625 is used in chemical processing equipment, offshore oil and gas systems, marine piping, heat exchangers, condensers, aerospace ducting, power generation and pollution control equipment.
What standard covers Inconel 625 seamless pipes?
ASTM B444 covers seamless Inconel 625 pipes and tubes made from UNS N06625 nickel-chromium-molybdenum-niobium alloy.
Why is Inconel 625 suitable for chloride environments?
Inconel 625 offers strong resistance to chloride pitting, crevice corrosion and seawater attack because of its nickel, chromium, molybdenum and niobium composition.
What is the difference between Inconel 625 and Inconel 600?
Inconel 625 contains molybdenum and niobium for higher strength and chloride pitting resistance, while Inconel 600 is a nickel-chromium alloy mainly selected for oxidation resistance and general corrosion service.
