Ref .BD014 Brass Cross Tombstone Decoration Material Copper Alloy Brass Decoration

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Main information: Product name:Brass decoration (Cross) Model: BD014 Brand: B&R Application:Coffin,Tombstone ,cemetery or others. Origin: China Manufacturer: Sumer International (Beijing) Trading Co.,Ltd Product detail: Size: 30cm Material: Brass (Copper alloy) Color /finishing: electrophoretic paint MOQ:500-1000 pcs Packing: Carton Main feature: Professionally engaged in funeral field over 10 years; Customized products acceptable; Good quality and competitive price; BRASS ALLOYS - - - - Alloy name | Copper (%) | Zinc (%) | Tin (%) | Lead (%) | Other | Notes | Abyssinian gold | 90 | 10 | | | | | Admiralty brass | 69 | 30 | 1 | | | Tin inhibits [loss of zinc] in many environments. | Aich's alloy | 60.66 | 36.58 | 1.02 | | 1.74 iron | Designed for use in marine service owing to its corrosion resistance, hardness and toughness. A characteristic application is to the protection of ships' bottoms, but more modern methods of cathodic protection have rendered its use less common. Its appearance resembles that of gold. | Aluminum brass | 77.5 | 20.5 | | | 2% aluminum | Aluminum improves corrosion resistance. It is used for heat exchanger and condenser tubes. | Arsenical brass | | | | | [arsenic], frequently [aluminum] | Used for boiler [fireboxes]. | Cartridge brass (C260) | 70 | 30 | | 0.07 | | Good [cold working] properties. Used for ammunition cases, plumbing, and hardware. | Common brass | 63 | 37 | | | | Also called rivet brass. Cheap and standard for cold working. | - - - - More Information: Germicidal and antimicrobial applications Main article: Antimicrobial copper-alloy touch surfaces See also: Antimicrobial properties of copper and Copper alloys in aquaculture The bactericidal properties of brass have been observed for centuries, particularly in marine environments where it prevents biofouling. Depending upon the type and concentration of pathogens and the medium they are in, brass kills these microorganisms within a few minutes to hours of contact. A large number of independent studies confirm this antimicrobial effect, even against antibiotic-resistant bacteria such as MRSA and VRSA. The mechanisms of antimicrobial action by copper and its alloys, including brass, are a subject of intense and ongoing investigation. Research is being conducted at this time[when?] to determine whether brass, copper, and other copper alloys can help to reduce cross contamination in public facilities and reduce the incidence of nosocomial infections (hospital-acquired infections) in healthcare facilities. Season cracking Brass is susceptible to stress corrosion cracking, especially from ammonia or substances containing or releasing ammonia. The problem is sometimes known as season cracking after it was first discovered in brass cartridges used for rifle ammunition during the 1920s in the British Indian Army. The problem was caused by high residual stresses from cold forming of the cases during manufacture, together with chemical attack from traces of ammonia in the atmosphere. The cartridges were stored in stables and the ammonia concentration rose during the hot summer months, thus initiating brittle cracks. The problem was resolved by annealing the cases, and storing the cartridges elsewhere. More Picture: Brass decoration copper cross Raw material of brass decoration Copper mine

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Sumer International Trading Co., Ltd.

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