Stellite 6b pdf file

It is a trademarked name of the deloro stellite company and was invented by elwood haynes 1 in the early 1900s as a substitute for cutlery that stained or that had to be constantly cleaned. The stellite alloys retain their properties at high temperatures where. Metco 1220 series and diamalloy 4060ns have chemical compositions similar to that of stellite 6. Metco 1220 series materials are designed for laser cladding. Tribological behavior of stellite 720 coating under blockonring wear test 757. Carbon alloy powders similar to stellite, ultimet, mar m oerlikon. In metal on metal wear stellite 3 is superior and this improved resistance increases as loads are increased or speeds are increased to.

Hightemperature hardness and wear resistance of stellite alloys. Pdf the basics of stellites in machining perspective. Practices and procedures for nonferrous alloys asm international. Stellite 6b cocrw meets or exceeds ams 5894, pwa 1196, mcs 1012 and uns r30016 machining 6b. An extensive hot forging process transforms brittle ingot into the tough, wearresistant stellite 6b that meets aerospace material specification ams 5894 requirements. For wrought grades stellite 6b and stellite 6k, the wrought or hot forging method of production leads to. We maintain an extensive inventory of stellite alloy 6b bar and sheet. With its excellent wear characteristics, hot hardness, good corrosion resistance, and superior mechanical properties, stellite 6b has been the materialofchoice. A higher percentage of chromium cr in them provides stellite alloys with high corrosion and wear resistance.

It may also contain tungsten or molybdenum and a small but important amount ofcarbon. Our service, product availability, size range, and bar lengths are unparalleled. Heat treating datasheet stellite 6b detroit chapter. These different processes include casting, powder metal, hardfaced deposit, and wrought.

Cocrw meets or exceeds ams 5894, pwa 1196, mcs 1012 and uns r30016. Dont let the hardness range of 3343rc fool you, the surface of this material goes through an extensive transformation that provides unmatched wear. Pdf stellite 6 alloy has excellent wear resistance, corrosion resistance, and oxidation resistance, however the difficulties in traditional processing. Stellite 6 is our most popular alloy as it provides a good balance of all of these properties. Alloy 6b uns r30016 ams 5894 description alloy 6b is a cobaltbased alloy with great wear, erosion and abrasion resistance. Pdf the microstructure and wear resistance of stellite 6 alloy hardfacing layer at two different temperatures room temperature and 300c. To access an electronic pdf document that has been purchased, the document will appear in myasm my content. Stellite 6 is available as welding wire, rod, powder, and electrodes. Hpa cobalt 6b cocrw uns r30016 aka haynes 6b, hs 6b. Pdf wear characteristic of stellite 6 alloy hardfacing layer by. They are resistant to wear, galling and corrosion and retain these properties. The deloro alloys are nickel based with additions of typically.

Stellite is a family of completely nonmagnetic and corrosionresistant cobalt alloys of various compositions that have been optimised for different uses. Heat treating data sheet for stellite 6b, a cobaltbase superalloy, including information regarding chemical composition, microstructure, heat treating. This alloy is very popular since it can retain hardness even at elevated temperature. The alloy currently most suited for cutting tools, for example, is stellite 100, because this alloy is quite hard, maintains a good cutting edge at high temperature, and resists hardening and annealing. Properties of stellite 6 part fabricated by wire arc. Effects of silicon additive on wear resistance of stellite 6 at elevated temperatures 28. They are resistant to wear, galling and corrosion and retain these properties at high. Cobalt alloy 6b stellite 6b is a cobaltbased, chromiumtungsten alloy used extensively in wear environments where its low friction coefficient minimises the risk of seizing and galling, even in applications where lubrication is not practical.

Hightemperature hardness and wear resistance of stellite. They are used particularly for shaft sleeves, bushings, valve parts, pump plungers, doctor blades, feed screws, knives, wear plates, and bearings. Work hardening behaviour of stellite alloys and nickelbased alloy 18 39. Stellite 6 alloy technical data arc welding service. The microstructure of stellite 6 alloy coating mainly consists of co and cr, fe7c3 phases. Stellite 6b is supplied in the solution treated condition to ams 5894 and its wear resistant. Stellite alloys are available in many different grades chemical compositions and several different processes or methods of manufacture. You must be logged into the website in order to access your purchased content. Stellite 6b ist eine spezielle stellite legierung aus geschmiedetem warmgeschmiedetem material mit au. Influence of yttrium additive on wear behavior of stellite 6 at elevated temperatures 25 54.

Stellite 6 can be supplied to the following specifications. Wear characteristic of stellite 6 alloy hardfacing layer by plasma. The wear resistance of alloy 6b is due to the chemical composition and is not a product of heat treatment or other hardening mechanisms. Dry sliding wear map for stellite 6 against a wcco 9010 disc 12 49 figure 214. Stellite alloy is a range of cobaltchromium alloys designed for wear resistance. Pdf characterization of microstructure and mechanical properties. Stellite 6b and stellite 6k fall within the group of wearres istant alloys possessing a high proportion a bout 30% of. Erosion test curves of stellite alloys 7 51 figure 215.

Then, some pieces of this alloy were cooled in water after annealing at 950c for 2 h. Machinability of stellite 6 hardfacing article pdf available in the european physical journal conferences 6 june 2010 with 1,610 reads how we measure reads. It was shown that stellite 3 had the highest resis tance to erosion. The chemical composition of stellite 6 is given in table 3.