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Beryllium Bronze Alloy Plunger - China

price: contact company for price

Plunger (punch / hammer): 40mm <diameter <200mm, height <200mm

High beryllium copper is a supersaturated solid solution copper alloy, is non-ferrous alloy with good mechanical properties, physical properties, chemical properties and good corrosion resistance together. After solution and aging treatment, it have very high strength limit, elastic limit, yield strength and fatigue limit as special steel have, and at the same time have a high electrical conductivity, thermal conductivity, high hardness and wear resistance, high creep and corrosion resistance.


Thermal conductivity ≥ 105w/m.k20 C

Tensile strength (Mpa): 1105

Specific gravity (g/cm3): 8.3

Yield strength (0.2%) Mpa: 1035

Softening Temperature (C): 930

Elongation (%): 1

Elastic Modulus (Gpa): 128

Before quenching hardness 200-250HV

After quenching hardness ≥ 36-42HRC

Softening temperature 930 C

Thermal conductivity (W/m.k20 C): 105

Conductivity (IACS%): 18

Plunger is mainly used for aluminum, magnesium alloy die-casting, is the main wearing parts for horizontal cold chamber die casting machine.

The advantage:((1) Good wear resistance and long service life. For Φ100mm or below, generally the availability of die times is around 6000, Φ100mm above generally are available from 2000 to 3000 die times;

(2) Not sticking with steel pressure chamber, Not damaging the pressure chamber. When beryllium copper contact with air, it will form an oxide film on the surface, resulting in self-lubricating. Cast iron punch or steel punch do not form such, so it is easily to damage the pressure chamber, resulting in a great waste, affecting production efficiency;

(3) Full beryllium copper material, with the whole solution, aging treatment, so the hardness is the same inside and outside. When worn to a certain extent, the punch can have a secondary processing , to a punch which can be used for small a pressure chamber, so that life will be longer;

(4) Cobalt beryllium copper does not react with the magnesium alloy, is the uniquely suited punch for magnesium alloy die casting machine;

The advantages of our products: Our company’s beryllium copper punch, have a better hardness, density and wear resistance than peers. Guaranteed the hardness of HRC40 degrees above, Φ100mm below generally have the availability around 10, 000 die times, Φ100mm above generally are available from 3000 to 5000 die times, with more than 30% of the higher life time than other manufacturers’ similar products.

Company Contact:

  • Phone: 8673189603652

  • Address: Room 1709, JiaSheng International Business Plaza, , Changsha City,, Hunan Province, China

  • Email: Email

Published date: September 6, 2013 -

  • Business Description: Changsha DingXun New Material Co. Ltd is a professional researching and

    selling metal mold material like beryllium copper alloy companies. This

    company is located in Changsha, hunan province, which is in central

    China, adjacent to production and processing base, facing the Yangtze

    river delta and the pearl river delta market, extended market overseas

    such as Russia, southeast Asia and other overseas markets. The high

    beryllium copper alloy our company researched and sold win at the base

    of high quality, low price, quick speed of delivery, and excellent post

    selling service.

    Products of high quality. Our products use the raw material all imported from abroad, the world s first class equipment and producing technology for processing, with the quality as good as world famous brand products. As for our high quality, the purity of product meet the international stands, many buyers directly substitute our product as the well known brand products.

    Product at competitive prices. Our company have established with the plant a long term partnership more than a decade, the factory provide us the most favorable price, so we offer our clients with the price almost the same as direct selling from factory price, the real cost savings for customers, creating more revenue for our clients.

    Fast delivery. With many years of selling experience, our company have established a set of standardized sales process. The period from the order placed to delivery to the destination is short. Such as Jiangsu, Zhejiang, Guangdong and other places, we usually need only four days to arrive, no more than a week.

    Excellent after sales service team. Our company have a group of excellent producing technology engineers, quality engineers and sales engineers. It help us to answer different questions professionally from customers, and to guide to resolve questions professionally. Think what customers think, provide the most qualified service.

    Companies adhere to the integrity of management, quality service, to create maximum benefit as our business faith. Welcome customers to negotiate, establish friendship and creat a win win future.

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