Nickel Alloy N08800 Seamless Tubes Pipes Incoloy800 EN 10216-5 1.4558 Seamless Tubing piping

Nickel Alloy N08800 Seamless Tubes Pipes Incoloy800 EN 10216-5 1.4558 Seamless Tubing piping

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Type of Material Grade:

UNS: N08800

EN Number: EN 10216-5 1.4558

EN Name: X2NiCrAlTi32-20

W.Nr.: EN 10216-5 1.4558

DIN: X 2 NiCrAlTi 32 20

BS: NA15

Alloy 800

Introduce:

ASTM B163 B407 ASME SB163 SB407 N08800 EN 10216-5 1.4558 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing designed to resist Oxidation and Carburization. The general corrosion resistance is excellent. Incoloy alloy 800 is a widely used material of construction for equipment that must have high strength and resist oxidation, carburization, and other harmful effects of high temperature exposure. (For high temperature applications requiring optimum creep and rupture properties, Incoloy alloys 800H and 800HT are used).
The chromium in the alloy imparts resistance to oxidation and corrosion. The high percentage of nickel maintains an austenitic structure so that the alloy is ductile. the nickel content also contributes resistance to scaling, general corrosion, and stress-corrosion cracking. The iron content provides resistance to internal oxidation.
ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing is used in a variety of applications involving exposure to corrosive environments and high temperatures. It is used for heat-treating equipment such as baskets, trays and fixtures. In chemical and petrochemical processing the alloy is used for heat exchanger and other piping systems in nitric acid media especially where resistance to chloride stress-corrosion cracking is required. In nuclear power plants, it is used for steam-generator tubing. The alloy is often used in domestic appliances for sheathing of electric heating elements. In the production of paper pulp, digester liquid heaters are often made of alloy 800. In petroleum processing , the alloy is used for heat exchanger that air-cool the process stream.
A Ni-Cr-Fe alloy that resists high temperature oxidation. This alloy is a first choice for an upgrade from the 300 series stainless steel when improved performance or strength at temperature is required. For higher ASME Boiler and Pressure Code design values, consider Alloy 800HT.
ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing is particularly useful for high-temperature equipment in the petrochemical industry because the alloy doesn't form the embrittling sigma phase after long time exposure at 1200°F (649°C). Excellent resistance to chloride stress-corrosion cracking is another important feature of alloy 800. Alloy 800H is a solution heat treated (2100°F/1150°C), controlled-carbon version of alloy 800 with improved elevated temperature properties. It has improved creep and stress-rupture characteristics in the 1100°F (593°C) to 1800°F (982°C) temperature range.

UNS N08800 1.4876 Incoloy Alloy Specification:

Seamless condenser and heat exchanger tubes: ASTM A213, ASTM B163, EN 10216-5

Seamless tube and pipe: ASTM A312, ASTM B407, EN 10216-5

ASME SB163 Standard Specification for Seamless Nickel and Nickel Alloy Condenser and Heat-Exchanger Tubes

ASME SB165 Standard Specification for Nickel-Copper Alloy (UNS N04400)* Seamless Pipe and Tube

ASME SB167 Standard Specification for Nickel-Chromium-Iron Alloys, Nickel-Chromium-Cobalt-Molybdenum Alloy (UNS N06617),and Nickel-Iron-Chromium-Tungsten Alloy (UNS N06674) Seamless Pipe and Tube

ASME SB407 Standard Specification for Nickel-Iron-Chromium Alloy Seamless Pipe and Tube

ASME SB423 Standard Specification for Nickel-Iron-Chromium-Molybdenum-Copper Alloy (UNS N08825, N08221, and N06845) Seamless Pipe and Tube

ASME SB444 Standard Specification for Nickel Chromium Molybdenum Columbium Alloys (UNS N06625 and UNS N06852) and Nickel-Chromium-Molybdenum-Silicon Alloy (UNS N06219) Pipe and Tube

ASME SB622 Standard Specification for Seamless Nickel and Nickel-Cobalt Alloy Pipe and Tube

ASME SB668 UNS N08028 Seamless Pipe and Tube

ASME SB690 Standard Specification for Iron-Nickel-Chromium-Molybdenum Alloys (UNS N08366 and UNS N08367) Seamless Pipe and Tube

ASME SB729 Standard Specification for seamless UNS N08020, UNS N08026, and UNS N08024 nickel alloy pipe and Tube

EN 10216-5 Seamless steel tubes for pressure purposes

Table1.Chemical Composition ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes EN 10216-5 1.4558

UNS N08800 1.4876 Density: 7.94 kg/m3

ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing Corrosion Resistance:

Neither Alloy 800 nor Alloy 304 are suggested for sulfuric acid service except at lower concentrations and temperatures.

UNS N08800 is highly resistant, although not totally immune, to stress corrosion cracking.

Oxidation Resistance:

The alloys are particularly well suited for high temperature applications such as furnace parts and related heating equipment, for petrochemical reforming units and isocracker tubs, and for handling superheated stem in unclear and conventional power plants. With the specified high levels of chromium and nickel, the alloys offer superior resistance to oxidation and scaling, and to carburization as well.

ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing Welding

The commonly used welding methods work well with this alloy. Matching alloy filler metal should be used. If matching alloy is not available then the nearest alloy richer in the essential chemistry (Ni, Co, Cr, Mo) should be used. All weld beads should be slightly convex. It is not necessary to use preheating. Surface to be welded must be clean and free from oil, paint or crayon marking. The cleaned area should extend at least 2" beyond either side of a welded joint. Gas-Tungsten Arc Welding: DC straight polarity (electrode negative) is recommended. Keep as short an arc length as possible and use care to keep the hot end of filler metal always within the protective atmosphere. Shielded Metal-Arc Welding: Electrodes should be kept in dry storage and if moisture has been picked up the electrodes should be baked at 600 F for one hour to insure dryness. Current settings vary from 60 amps for thin material (0.062" thick) up to 140 amps for material of 1/2" and thicker. It is best to weave the electrode slightly as this alloy weld metal does not tend to spread. Cleaning of slag is done with a wire brush (hand or powered). Complete removal of all slag is very important before successive weld passes and also after final welding. Gas Metal-Arc Welding: Reverse-polarity DC should be used and best results are obtained with the welding gun at 90 degrees to the joint. For Short-Circuiting-Transfer GMAW a typical voltage is 20- 23 with a current of 110-130 amps and a wire feed of 250-275 inches per minute. For Spray-Transfer GMAW voltage of 26 to 33 and current in the range of 175-300 amps with wire feed rate of 200-350 inches per minute are typical. Submerged-Arc Welding: Matching filler metal, the same as for GMAW, should be used. DC current with either reverse or straight polarity may be used. Convex weld beads are preferred.

Cold Working

Cold forming may be done using standard tooling although plain carbon tool steels are not recommended for forming as they tend to produce galling. Soft die materials (bronze, zinc alloys, etc.) minimize galling and produce good finishes, but die life is somewhat short. For long production runs the alloy tool steels ( D-2, D-3) and high-speed steels (T-1, M-2, M-10) give good results especially if hard chromium plated to reduce galling. Tooling should be such as to allow for liberal clearances and radii. Heavy duty lubricants should be used to minimize galling in all forming operations. Bending of sheet or plate through 180 degrees is generally limited to a bend radius of 1 T for material up to 1/8" thick and 2 T for material thicker than 1/8".

Heat Annealing of ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing

Annealing after cold work hardening may be required. If so anneal at 1800 F (980°C)for 15 minutes at temperature and air cool. Do not heat above 1800 F or grain growth will occur with degradation of strength.

Table,2 Chemical Composition of ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing

Table.3 Mechanical Properties Of N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubing

* - minimum
SHT - Solution heat-treated

Applications Of ASTM B163 B407 ASME SB163 SB407 N08800 Nickel Alloy Seamless Tubes Pipes Incoloy 800 Seamless Tubes Tubing pipes piping :

Typical applications for alloy 800 and 800H

Heat exchangers and process piping; carburizing fixtures and retorts; furnace components; electric range heating-element sheathing; extruded tubing for ethylene and steam methane reforming furnaces; ammonia effluent coolers.

Radiant syngas coolers in IGCC gasification.

Chemical and petrochemical processing equipments;

Power generation;

Stainless Steel Reheater Tubes and Superheater Tubes

Thermal procession fixtures;

Steel production.

At TINSI-STEEL Stainless Tubes, quality management begins way ahead of any production step.

From the selection of raw material suppliers up to the final quality tests in our own factory we thoroughly evaluate, test and control our products and processes, aiming at continuous improvements. For in process and acceptance inspection, the quality departments at the individual manufacturing centers have state of-the-art equipment at their disposal including mechanical workshops, tensile and impact testing machines, chemical laboratories for corrosion tests, equipment for hardness testing and metallographic inspection.We also have extensive facilities for non-destructive testing, including ultrasonic, eddy current, hydrostatic, positive mate- rial identification and dye penetrant testing.

If your company needs tubing, you can rely on TINSI company. Thanks to our precision engineered manufacturing procedures, we easily and effectively respond to our customers' requirements, no matter how stringent they may be. Innovations in processes allow us to continually expand the range of product solutions. TINSI-STEEL engineers closely follow each phase of production and testing to ensure nickel alloy seamless tubes pipes of superior performance.