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  • Brass Tombstone Decoration Bronze Lampholder Ref No Bd008 Copper Alloy - China

    price: check with company for price

    Main information: Product name:Brass decoration Model: BD008 Brand: B&R Application: Tombstone, cemetery or others. Origin: China Manufacturer: Sumer International (Beijing) Trading Co., Ltd Product detail: Size: L 10cm Material: Brass (Copper alloy) Color /finishing: Antique Bronze MOQ:500-1000 pcs Packing: Carton Main feature: Professionally engaged in funeral field over 10 years; Customized products acceptable; Good quality and competitive price; More Information: Characteristics---Physical Copper, silver, and gold are in group 11 of the periodic table; these three metals have one s-orbital electron on top of a filled d-electron shell and are characterized by high ductility, and electrical and thermal conductivity. The filled d-shells in these elements contribute little to interatomic interactions, which are dominated by the s-electrons through metallic bonds. Unlike metals with incomplete d-shells, metallic bonds in copper are lacking a covalent character and are relatively weak. This observation explains the low hardness and high ductility of single crystals of copper.At the macroscopic scale, introduction of extended defects to the crystal lattice, such as grain boundaries, hinders flow of the material under applied stress, thereby increasing its hardness. For this reason, copper is usually supplied in a fine-grained polycrystalline form, which has greater strength than monocrystalline forms. The softness of copper partly explains its high electrical conductivity (59.6106 S/m) and high thermal conductivity, second highest (second only to silver) among pure metals at room temperature.This is because the resistivity to electron transport in metals at room temperature originates primarily from scattering of electrons on thermal vibrations of the lattice, which are relatively weak in a soft metal.The maximum permissible current density of copper in open air is approximately 3.1106 A/m2 of cross-sectional area, above which it begins to heat excessively. Copper is one of a few metallic elements with a natural color other than gray or silver.Pure copper is orange-red and acquires a reddish tarnish when exposed to air. The characteristic color of copper results from the electronic transitions between the filled 3d and half-empty 4s atomic shells the energy difference between these shells corresponds to orange light. As with other metals, if copper is put in contact with another metal, galvanic corrosion will occur. Characteristics---Chemical Copper does not react with water, but it does slowly react with atmospheric oxygen to form a layer of brown-black copper oxide which, unlike the rust that forms on iron in moist air, protects the underlying metal from further corrosion (passivation). A green layer of verdigris (copper carbonate) can often be seen on old copper structures, such as the roofing of many older buildings.and the Statue of Liberty.Copper tarnishes when exposed to some sulfur compounds, with which it reacts to form various copper sulfides. Copper - - - - [Atomic number] (Z) | 29 | [Group], [period] | [group11], [period4] | [Block] | [d-block] | [Element category] | [transition metal] | [Standard atomic weight] (Ar) | 63.546(3) | [Electron configuration] | [[Ar]] 3d10 4s1 | Electrons per shell | 2, 8, 18, 1 | - - - - More Picture: BD008 brass decoration for tombstone Lead-Brass-HPB58-3-HPB59-1-C3771- Catholic cemetery Copper mine


    Company Contact:


    • Phone: 86-10-67163947

    • Address: ​ Rm 704, Building 2, No.3, Leading tower, Guangqumen Nei,Dongchen District, Beijing, China, Beijing, Beijing, China

    • Email: Email


    Published date: March 8, 2018 -

    • Business Description: Sumer (Beijing) International Trading Co., Ltd, is one of biggest manufacturer and exporter in funeral products in China. We are specialized in coffin handle, casket corner, swing bar, crucifix, cross, decoration and others’ funeral products.

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