Inconel 783 UNS R30783 WN SO Blind flange forging disc ring

The newest of the high-performance superalloys invented by Special Metals Corporation, INCONEL® alloy 783

(UNS R30783/U.S. Patent 5,478,417), is an oxidation-resistant, low expansion, nickel-cobalt-iron alloy with

aluminum, chromium, and niobium additions.The new alloy is of considerable interest to aircraft gas turbine engine

designers and materials engineers for containment and clearance control components such as rings, casings, shrouds

and seals for compressors, turbines and exhaust systems. The three-phase age hardenable alloy offers a range of

improvements for these applications over alternative alloys in current use:

A coefficient of thermal expansion approximately 20% lower than that of INCONEL alloy 718.

Excellent resistance to oxidation, demonstrated in cyclic tests, at temperatures up to and beyond 1300°F (704°C).

Resistance to SAGBO (stress accelerated grain boundary oxidation) comparable to that of INCONEL alloy 718,

and significantly better than that of INCOLOY alloy 909.

A density of 0.282 lb/in3(7.81 g/cm3), 5% less than INCONEL alloy 718 or INCOLOY® alloy 909,

contributing to an important potential improvement in strength-to-weight ratios.

Manufacturing/processing characteristics comparable to those of INCONEL alloy 718, and less limiting than

those of INCOLOY alloy 909.

Special Metals’ INCONEL alloy 783 is available as forging billet (AMS 5940), rod and bar for machining,

extruded section, and wire rod. Sheet product is currently under development.

Table 1 - Limiting Chemical Composition*, %

Chromium...................................................................... 2.5-3.5

Nickel .........................................................................26.0-30.0

Iron ..............................................................................24.0-27.0

Niobium...........................................................................2.5-3.5

Aluminum........................................................................5.0-6.0

Cobalt........................................................................Remainder

Boron.......................................................................0.003-0.012

Carbon........................................................................0.03 max.

Manganese.................................................................0.50 max.

Silicon.........................................................................0.50 max.

Phosphorus..............................................................0.015 max.

Sulfur .........................................................................0.005 max

Titanium...........................................................................0.1-0.4

Copper.........................................................................0.50 max

Physical Properties

Table 2 - Physical Constants

Density, g/cm3....................................................................7.81

lb/in3...................................................................0.282

Melting Range, °F .....................................................2437-2565

°C ....................................................1336-1407

Specific Heat, Btu/lb•°F (77°F)..........................................0.109

J/kg•°C (25°C)..............................................455

We can provide Inconel 783 material in the form of flange, fittings, pipes, fasteners.

Huitong Group was established in 1978. After 38 years'development and innovation,by now,Huitong Group has set up multiple subsidiary companies.Among them,Zhengzhou Huitong Pipe Fitting Co.,Ltd.,with the indepent right of import and export, is mainly engaged in exporting steel pipe and pipe fittings for Huitong Group and assisting another subsidiary company of Huitong Group:Zhengzhou Huitong Machanical Equipment Co.,Ltd., in exporting machanical equipment.

Zhengzhou Huitong Pipeline Equipment Co.,Ltd.,with the strong support of Huitong Group,and years'development and innovation, are more and more professional in technical service and can manufacure products with all kinds of material,shape and size. Especially in elbows, tee, reducer, flange and pipe cap etc., we have gained more than 20 product patent, and hundreds of technology patent. Also,we have gradually taken an ireplacable role in High-pressure,high-temperature and anti-corrosion area. With the continuous construction of engery in China,such as petrol gas,electric power,etc.,our company has become the purchasing center of whole set fittings for such projects.In 2009,a foreign trade team established,is manily engaged in oil gas and electric power projects abroad.By now, our products have been exported to Canada,Malaysia,Parkistan,UAE, Eygpt,the Middle East countries, etc.. We have passed the qualification of ISO9001:2000 and API quality certification system. High-quality products and high-class service are well received by abroad customers in this industry. The unique diversified production line can offer you one-package serive, you can pruchase all complex products from us at one time. What's more, our sufficient material stock and conventional product stock can ensure you receive satisfied product in the shortest time.

With powerful financial strength,advanced managerial concept, excellent marketing service,strict quality control system and integrated marketing team,we would like to develop together with you hand in hand. Adhering to the operation principle of "faith first and clients foremost", we always supply high quality products, complete after-sales service and favorable prices. We sincerely hope to establish long-term cooperation with you on the basis of mutual benefits, reciprocity and common development.