• Welcome to STK

    Founded in 1987, STK has attained 124 patents during the production of crushers & mills over the past 30 years. 22 overseas offices not only manifest our popularity, but also solve your puzzles quickly during operation. So if you are looking for crushers or mills, STK deserves your attention!

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  • 600,000 m2 of Production Bases

    By 2016, STK has built 6 world-class manufacture bases, which cover a total area of over 600,000m2, and accomplished an annual production value of RMB 5 billion.

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Beryllium Copper Heat Treating Services ThomasNet

ISO 9001:2008 certified aluminum and beryllium copper heat treating services. Parts in lengths up to 82 in., widths up to 36 in. and heights up to 48 in. can be heat treated. Applications include gears, armaments, axles, castings, fixtures, jigs, springs and mining machines.

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Valve Seat Technology For Stock and Performance ...

Beryllium copper valve seat alloys typically contain only about to percent beryllium. But it is enough to create a seat material that provides high thermal conductivity along with the durability required for titanium valves in a high performance engine.

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Beryllium Copper Online Metal Store

Beryllium copper metal is a unique material with high strength and corrosion resistance while also being nonmagnetic and nonsparking. Beryllium copper is used in applications that include hazardous environments and the aerospace industry.

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Facts, pictures, stories about the element Beryllium in ...

Beryllium is an alkali earth metal, reasonably stable in air, and extremely toxic in powdered form. It's used as an alloying element for copper, imparting great strength and springiness to the metal. Added to aluminum it makes light, strong, stiff alloys used in race cars and in aerospace applications.

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Wise Performance Engineering's Oldsmobile Cylinder Head

Heads are available with bronze guides and iron seats, with a berylliumcopper seat available for maxeffort applications. ... and his decision to keep the new design to where it would work for both street and racetype applications presented plenty of challenges.

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Copper Beryllium Alloys Beryllium Copper Distributors

Busby Metals supplies Copper Beryllium in a range of tempers, and in strip, rod, bar, wire, rod, tube, and plate form. Beryllium copper alloys are used in a variety of applications including automotive, industrial, and oil gas drilling.

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Beryllium Copper Fingerstock Archives Leadertechinc

Beryllium Copper Fingerstock; Beryllium Copper Fingerstock. Circuit Board Shielding. Circuit Board Shielding Selection Guide; Surface Mount Shields; Tech Clip; ... Email: sales; 12420 Race Track Rd Tampa, Florida 33626; Follow Us. Like us on Facebook; Follow us on Twitter; See Our Video on Youtube; Get in Touch. Sales ...

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Saleen Wikipedia

The Saleen brand was established in 1983 originally as Saleen Autosport by Steve Saleen, a former professional Formula Atlantic race car driver. The 1st Saleen was produced in 1984 when they built 3 cars as the first production run – a white hatchback, a copper glow hatchback, and a black hatchback.

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Beryllium Copper Ball Bearings | Products Suppliers ...

Find Beryllium Copper Ball Bearings related suppliers, manufacturers, products and specifications on GlobalSpec a trusted source of Beryllium Copper Ball Bearings information.

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Bearings | Arconic

The Split ball bearings are constructed from Stellite®, Copper Beryllium, Inconel® 718 and A286 in the ball and 174 PH, 155 PH, Inconel® 718 and A286 in the race. The bore size range is “ to ”.

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GSI – Gerhart Stamping Inc. | Beryllium Copper Contact ...

Beryllium Copper Contact Clip for the Automotive Industry. Print this page. Product Description: Contact clip is used within an automotive horn plate. ... This run employs a quality system that includes a video measuring system, a race track for critical dimensions, as well as batch sample retention. The run was performed on our high speed 30 ...

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Beryllium Copper Alloys High Strength Spring Copper ...

Beryllium copper is also known as spring copper or beryllium bronze. It is the highest strength of any copper based alloys on the market in a variety of shapes.

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Beryllium Copper Supplier | Mead Metals in Minnesota

Mead Metals, Inc. stocks beryllium copper products in a range of sizes and tempers. We can also support quantities to accommodate high volume and low volume beryllium copper needs. When you’re in need of beryllium copper wire and beryllium copper sheet products, Mead Metals is here to help.

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Spherical Plain Bearings

RBC Aerospace Bearings offers a full line of Mil Spec standards and many specialty and custom spherical plain bearings to the aerospace industry and all major OEM specifications. ... 52100 chrome plated, 138PHMo, Stellite®, BerylliumCopper, aluminum and titanium. Race and ball surfaces may also be provided with a dry film lubricant for high ...

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Bearing Materials by New Hampshire Ball Bearings

Bearing Materials In addition to the more common metals, NHBB’s engineers and machinists work regularly with exotic materials. A partial list of commonly used ball, race, rod end body, and sleeve materials is given below.

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PRECISION VALVE GUIDES SEATS

PRECISION VALVE GUIDES SEATS. QUALITY ISN'T EXPENSIVE. IT'S PRICELESS. ... before a 500 mile race their engine was making 785 horsepower. After the race the engine ... that of beryllium copper. Both materials have been designed to minimize valve bounce at a high rpm, and have a rate of expansion very close to that of the aluminum used in the ...

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Military specification (MILSPEC) bearing number ...

MILSPEC bearing definitions. M81820/1 Spherical bearing narrow type, with staking groove and MilB81820 liner M81820/2 ... 174 PH steel race, beryllium copper ball, staking groove, relubricatible MilB81936/1 R Spherical bearing, 174 PH steel race, beryllium copper ball, staking groove ...

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Beryllium Copper Seats for the street? : MGB GT Forum ...

Bob, I knew that Ping used beryllium copper for their club heads, but I hadn't heard about them for cars. I did a quick search and the first site up was Del West who does Real High end work for race valves.

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Beryllium Copper Official Site of Copper Development ...

Copper beryllium alloys are used for their high strength and good electrical and thermal conductivities. There are two groups of copper beryllium alloys, high strength alloys and high conductivity alloys. ... In the case of beryllium copper alloys, the property change is an increase in strength. As age hardening progresses, coherent metastable ...

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Beryllium The Miracle Metal

Helping the Human Race Discover New Worlds. Since the middle of the last century, beryllium has played a role in exploring the universe beyond our planet. Learn More > ... Beryllium in Cars. Copper beryllium alloys are used in electronic connectors found throughout many vehicles.

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New Beryllium Copper Valve Seats x .600 | eBay

Eatmon Race Parts. Visit my eBay store Search Store. Pistons. Valves Springs. Wrist pins. Connecting Rods. Crankshafts. New beryllium copper valve seats, these measure x .600 x These are ideal for titanium valves and aluminum cylinder heads and compatible with all type of fuel. These dissipate heat 4x faster than iron seats. We ...

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Spherical Bearings Arconic

, Copper Beryllium, Inconel 718 and A286 Race: 174PH,155PH, Inconel ® 718 and A286 •Bore size range: ” to ” ROD ENDS AND LINKS. Assembly of loader slot spherical bearing. Ball and outer race prior to assembly. Ball inserted into loader slot. Ball partially rotated in race. Final ball and race …

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All About The Alloys – Valve Seat Selection For High ...

The seats typically contain about 2 percent beryllium, and are called “yellow” seats. Beryllium copper is the material of choice for all types of professional racing. The reason why is because beryllium copper has a tensile strength similar to iron seats, so it won’t pound down, and it has the thermal conductivity of the aluminum head.

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Beryllium Wikipedia

Beryllium improves many physical properties when added as an alloying element to aluminium, copper (notably the alloy beryllium copper), iron and nickel. Beryllium does not form oxides until it reaches very high temperatures.

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Beryllium Materion

Copper beryllium housings protect transoceanic cable equipment and undersea earthquake monitoring systems more than six miles below sea level. ... During the space race, with American pride, scientific endeavor and national security at issue, the demand and uses for beryllium soared.

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3/32 Oilite Eagle Distributing

berylliumcopper 3/32 bushings S7220 Chassis Oilite 3/32 PRECISION AXLE BUSHING

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PPPC Valve Seats Beryllium Copper Seats Cast Iron Intake

an alternative to the beryllium copper seats commonly used in racing today. The high thermal conductivity and wear resistance offer excellent seat performance. Cast Iron seats are heat treated 3842R. All PPPC valve seats are available in custom materials and sizes. Call us and give us the dimensions and specifi cations you need. Part

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The uses and adverse effects of beryllium on health

Berylliumcopper alloy usually contains 4–% beryllium by weight, with a melting point of 870–980°C and produces toxic fumes of beryllium oxide upon heating. Berylliumcopper alloy is used in electrical connectors and relays, wheels and pinions, nonsparking tools, and switches in cars.

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Quality EDM Electrical Discharge Machining

Oil Drilling Tools, Race Car Engines. Building a reputation for setting the standard, Quality EDM, Inc. believes that no job is too big. Our facilities are designed to handle a wide spectrum of work including projects with large components up to 6’ in length. ... Slots EDM on Beryllium Copper : EDM 14 Internal Slots in Manifolds: Military ...

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Beryllium copper Wikipedia

Beryllium copper (BeCu), also known as copper beryllium (CuBe), beryllium bronze and spring copper, is a copper alloy with —3% beryllium and sometimes other elements. Beryllium copper combines high strength with nonmagnetic and nonsparking qualities.

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Beryllium Frame

Mar 13, 2004· A pretty innovative company in it's day. I owned a few of their bikes and even raced their bmx bike called the Race Tech. I traded my Mantis Pro Floater for a one off M16 anodized with custom geometry in '93. I wish I had that Pro Floater back today. 0312 2004 7 ... ground and filed on the copper/beryllium alloy parts for almost 28 years ...

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Beryllium copper Formula, Properties, Uses and MSDs

Beryllium copper is an alloy comprising of copper as the base and to 3 % of beryllium. In some cases, other alloying elements like nickel or cobalt are also used. The alloy has a huge demand in innumerable industries due to its high strength in adjunct with nonmagnetic and nonsparking properties.

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copper beryllium racing

Beryllium Copper Seat Inserts Del West Engineering Advanced . Beryllium Copper Seat Inserts Del West strongly recommends the use of beryllium copper alloy seat inserts matched with our titanium valves for auto and motorcycle racing. Tight dimensional control is the necessity to a correct installation and is a hallmark of Del West seat inserts.

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