Nickel Alloy Seamless Pipe & Tube

UNS N06686 / W.Nr. 2.4606

Inconel 868 Catalog

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UNS N06686 / W.Nr. 2.4606 Overview

Nickel Alloy Seamless Pipe & Tube Introduction

With advanced technology and expert craftsmanship, we create durable, high performance custom pogo pin connector tailored to each project’s needs.

Inconel 686 Chemical Overview

As a leading supplier & manufacturer in China, Arialloy supply cost-effective Inconel 686 Products.

INCONEL® alloy 686 (UNS N06686 / W.Nr. 2.4606) is a single-phase, austenitic Ni-Cr-Mo-W alloy offering outstanding corrosion-resistance in a range of severe environments. Its high nickel (Ni) and molybdenum (Mo) provide good resistance in reducing conditions, and high chromium (Cr) offers resistance to oxidizing media. Molybdenum (Mo) and tungsten (W) aid resistance to localized corrosion such as pitting. Iron (Fe) is closely controlled to enhance properties. Low carbon (C) helps minimize grain boundary precipitation to maintain corrosion-resistance in the heat-affected zones of welded joints. Resistance to general, pitting and crevice corrosion increases with the alloying (Cr+Mo+W) content, and Inconel alloy 686 scores higher than competitive materials. Inconel alloy 686 is protected by U.S. patent 5,019,184.

Its matched composition welding products, designated as INCO-WELD® filler metals and welding electrode 686 CPT® also offer exceptional as-welded resistance to sulfuric or hydrochloric acids, to mixtures of the two, and to crevice or pitting corrosion in hot concentrated acid chloride solutions. These welding products are also used for dissimilar and overmatched welding applications.

Inconel alloy 686 is used for resistance to aggressive media in chemical processing, pollution control, pulp and paper manufacture, and waste management applications.

Sulfuric Acid
Hydrochloric Acid
Hydrofluoric Acid
Phosphoric Acid
Nitric Acid
Organic Acids
Alkalies and Salts
Seawater

Inconel 868 Corrosion Resistance

INCONEL alloy 686 offers outstanding resistance to general corrosion, to stress-corrosion cracking, and to pitting and crevice corrosion. Its resistance to intergranular precipitation during welding maintains its corrosion-resistance in the heat-affect zones of welded joints.

It offers resistance to both reducing and oxidizing acids and to mixed acid solutions. It is especially suited to handling mixed acids containing high concentrations of halides. It has shown good resistance to mixed acid media with pH levels of 1 or less, and chloride levels of over 100,000 ppm.

Yield Strength
Tensile Strength
Elongation / Ductility
Hardness / Wear Resistance
Impact Toughness
Fatigue Resistance
Creep / Rupture Strength
Fabrication / Weldability

Inconel 868 Mechanical Behavior

In the annealed condition, the alloy exhibits moderate yield strengths of 25,000 to 50,000 psi (172 to 345 MPa). Yield strengths in that range, combined with elongations of 55 to 35%, permit the alloy to be fabricated with little difficulty. Heavily coldworked material, however, can have tensile strengths as high as 220,000 psi (1517 MPa).

Values for properties reported in this publication are typical but are not suitable for specification purposes unless stated as minimum or maximum.

Strength & Stability
Oxidation Resistance
Carburization Resistance
Sulfidation Resistance
Nitriding Resistance
Carbonitriding Resistance
Resistance to Molten Salts
Seawater

Inconel 8668Temperature Characteristics

The combination of high strength and oxidation resistance at temperatures over 1800°F (980°C) makes INCONEL alloy 617 an attractive material for such components as ducting, combustion cans, and transition liners in both aircraft and land-based gas turbines. Because of its resistance to high-temperature corrosion, the alloy is used for catalyst-grid supports in the production of nitric acid, for heat-treating baskets, and for reduction boats in the refining of molybdenum. INCONEL alloy 617 also offers attractive properties for components of power-generating plants, both fossilfueled and nuclear.

UNS N06686 / W.Nr. 2.4606 Overview

Grades

With advanced technology and expert craftsmanship, we create durable, high performance custom pogo pin connector tailored to each project’s needs.

Shop Owner

Customized Dimensions

Formula: m = (OD – THK) × THK (mm) × L (m) × ρ (g/cm³) × π ÷ 1000
OD = Outside Diameter, THK = Wall Thickness, L = Length
ρ = Density, π = 3.1415926…

Our Team

Surface to be Customized

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Strip Strip
Inspection Inspection
Analytic Analytic
Auto Welding Auto Welding
Welding Cleaning Welding Cleaning
Seam Grinding Seam Grinding
Degreasing Degreasing
Curing Heat Treatment Curing Heat Treatment
Eddy Current Testing Eddy Current Testing
Straightening Straightening
Wall Reduction Wall Reduction
Bright Annealing Bright Annealing
Precision Cutting Precision Cutting
Flat End Flat End
Hydro Statio Test Hydro Statio Test
Coiling Coiling
Coil Tube Coil Tube
Inspection Inspection
Analytic Analytic
Marking
Packing & Shipping Packing & Shipping
UNS N06686 / W.Nr. 2.4606 Solution

Inconel 686 Data Table

With advanced technology and expert craftsmanship, we create durable, high performance custom pogo pin connector tailored to each project’s needs.

Physical Properties

Density g/cm3 8.47
lb/in.3 0.306
Melting Range °F 2470 - 2575
°C 1354 - 1413
Specific Heat Btu/lb-°F 0.106
J/kg-°C 444
Electrical Resistivity ohm-circ mil/ft 620
μΩ-m 1.03
Curie Temperature °F -192
°C -124
Permeability at 200 oersted 15.9 kA/m 1.010

Mechanical Properties

Form and Condition Tensile Strength Yield Strength (0.2% Offset) Elongation, % Hardness, Rockwell
ksi MPa ksi MPa
Rod and Bar
Cold-Drawn
Annealed 80-100 550-690 25-50 170-345 55-35 65-85B
As-Drawn 105-150 725-1035 80-125 550-860 30-10 90B-30C
Hot-Finished
Annealed 80-100 550-690 30-50 205-345 55-35 65-85B
Hot-Finished 85-120 585-830 35-90 240-620 50-30 75-95B
Plate
Hot-Rolled
Annealed 80-105 550-725 30-50 205-345 55-35 65-85B
As-Rolled 85-110 580-760 35-65 240-450 50-30 80-95B
Sheet
Cold-Rolled
Annealed 80-100 550-690 30-45 205-310 55-35 88B max.
Hard 120-150 830-1035 90-125 620-860 15-2 24C min.
Strip
Cold-Rolled
Annealed 80-100 550-690 30-45 205-310 55-35 84B max.
Spring Temper 145-170 1000-1170 120-160 830-1100 10-2 30C min.
Tube and Pipe
Hot-Finished
Hot-Finished 75-100 520-690 25-50 170-345 55-35 -
Annealed 75-100 520-690 25-50 170-345 55-35 -
Cold-Drawn
Annealed 80-100 550-690 25-50 170-345 55-35 88B max.
Wire
Cold-Drawn
Annealed 80-120 550-830 35-75 240-520 45-20 -
No.1 Temper 105-135 725-930 70-105 480-725 35-15 -
Spring Temper 170-220 1170-1520 150-210 1035-1450 5-2 -

Custom Pultruded Carbon Fiber Rod FAQs

Alizn specialize in precision parts crafted from high-performance custom carbon fiber, ideal for functional tests or end-use applications. Explore our FAQs to discover more about our carbon fiber solutions and related technical support.

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We mainly use 3K resin prepreg bi-directional carbon fiber fabric, but 1K, 6K, and unidirectional options are also available. Material grades include T300, T700, T800, and M-series fibers for varying strength and performance needs.

Plain/twill weave with glossy/matte clear coating. And also we have unidirectional fabric without any weave surface. In additional, we have forged carbon fiber texture weave. You can choose what you want and let us know.

We need 3 details: 1. step/stp/x_t format drawing file; 2. quantity; 3. surface requirement.

Mold time 25-30 days; and sample time 7-10 days;

Yes, we can. But we need samples to scan the dimension or you can provide very detailed dimension to us. We can draft drawing file with surcharge.

Alizn offers moulds that cover almost all standard models of carbon fiber tubes available on the market. If the specific model you need is not available, we can customize a mould first, and then proceed with product manufacturing based on your specifications.

Aluminium mold, steel mold, fiberglass mold and carbon fiber mold, steel mold with high precision since it is hard and produced by machining, so steel mold is the best option. For inside mold, normally with metal mold, or airbag core or silcone core.

Our carbon fiber products can be manufactured according to customer requirements using techniques such as autoclave moulding, filament winding, pultrusion, and rolling moulding to ensure high strength, lightweight structure, and excellent surface quality.