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Copper casting alloys
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Copper casting alloys - 1

COPPER CASTING ALLOYS FOUNDRY TECHNOLO

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Copper casting alloys - 2

The ZOLLERN GmbH & Co. KG is a company with world- wide operations, employing over 3000 employees in the business fields of transmission technology (automation, gears and winches), plain bearing technology, enginee- ring elements, foundry technology and steel profiles. COPPER CASTING ALLOYS • Copper-tin and copper-tin-zinc casting alloys 6 • Copper-zinc casting alloys 8 • Copper-lead-tin casting alloys 8 • Copper-nickel casting alloys 10 • Copper casting alloys 10 30LLERN COPPER CASTING ALLOYS

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FOUNDRY TECHNOLOGY 2 3 Casting on highest level Since the company foundation in 1708 components of metallic materials are cast. Besides an iron and steel a bronze foundry was erected around 1890. Nowadays mainly sand castings of copper and copper alloys are produced but also castings of high and low alloyed steels and nickel alloys. For the hand- or automatically formed parts resinoid-bonded sands are used. This ensures an excellent surface as well as very close tolerances. Components with special requirements can be cast as per the shell moulding process using ceramic moulds and ceramic...

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Material characteristics Physical properties 3 Coefficient of thermal expansion x 10-6 /K Coefficient of thermal conductivity W/cm · K Electrical conductivity MS/m Application examples Permeability µr Abrasion-resistant special material for tools used in the forming of austenitic steels, Hastelloy, titanium etc., low coefficient of friction, no welding tendency. TBZ 28 = 260–300 HB TBZ 32 = 300–340 HB TBZ 36 = 340–380 HB 16 0.34 2–4 < 1.9 Deep-drawn rings and bottom dies, pressure pads, male dies, embrossing tools, profiling and straightening rollers, shaping and bending tools, guide...

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Physical properties 3 Material characteristics Application examples Coefficient of thermal expansion x 10-6 /K Coefficient of thermal conductivity W/cm · K Electrical conductivity Permeability MS/m µr 18 0.59 8–9 < 1.01 Salt water-resistant, soft engineering material, good casting properties, suitable for soldering and conditionally also brazing, also for raised operating temperatures. Thin-walled castings, water and steam fittings up to 500 K operating temperature, pump housings and air intake or exhaust manifolds subjected to normal levels of stress. 17 0.69 7–8 < 1.01 Medium-hard...

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Copper casting alloys - 8

COPPER-ZINC CASTING ALLOYS COPPER-LEAD-TIN CASTING ALLOYS 30LLERN COPPER CASTING ALLOYS

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Physical properties 3 Material characteristics Application examples Coefficient of thermal expansion x 10-6 /K Coefficient of thermal conductivity W/cm · K Electrical conductivity Permeability MS/m µr 19 0.34 5–10 < 1.1 Tough-hard engineering material with good strength values, enhanced salt water resistance due to increased nickel content, moderate sliding properties. Engineering parts in mechanical applications such as compression nuts in rolling mills and spindle presses, bottom bushes and gland bushes, ships’ upper works and hardware, propeller hubs and blades, with defined elelctrical...

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COPPER-NICKEL CASTING ALLOYS Material Zollern brand Symbol DIN No. International 1 standards Chemical composition (guideline values %) Cu GN 10 G-Cu Ni 10 17 658 2.0815 Al Fe Mn Ni G-Cu Ni 30 17 658 CuNi30FeMn1 NbSi-C 2.0835 Modulus of elasticity Others G GZ M 100 280 25 70 120 280 20 70 USA: C 96 200 F: U-N 10 Fe 1 M Rem. 1.4 1.2 10 Nb 0.3 Si 0.2 Rp0.2 N/mm2 Rm N/mm2 A5 (%) HB 10/1000 120 280 20 70 USA: C 96 400 F: U-N 30 M 1 Fe Rem. 1.2 0.9 30 Nb 0.5 Si 0.8 Rp0.2 N/mm2 Rm N/mm2 A5 (%) HB 10/1000 230 440 18 115 < 1 < 1 16 Zn 10 Rp0.2 N/mm2 Rm N/mm2 A5 (%) HB 10/1000 310 580 4 170...

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1 For ISO, F and GB the abbreviations, and for the USA the alloy number introduced in all standards (ASTM, SAE, MIL etc.) has been specified. = largely in agreement; () partially in agreement 2G = sand casting; GZ = centrifugal casting; M = shell mould casting. The values indicated are minimum values ascertained on separately cast test bars in the case of G and M. In the case of GZ, the test bar is taken from the casting; here the specified values apply only for wall thicknesses up to 50 mm. Guarantee values must be agreed. 'Material perfomance sheet G: Castings according to provided...

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Copper casting alloys - 12

^OLLERN COPPER CASTING ALLOYS

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Plants of the Zollern group of companies Transmission Technology Automation ZOLLERN GmbH & Co. KG Tel. +49 75 86 95 95 86 Fax +49 75 86 95 95 85 Heustraße 1 eMail zht@zollern.de Gears and Winches D-88518 Herbertingen Tel. +49 75 86 95 95 47 Fax +49 75 86 95 95 75 eMail zat@zollern.de Herbertingen plant Mannheim plant ZOLLERN ISOPROFIL GmbH & Co. KG Portugal plant ZOLLERN & Comandita China plant ZOLLERN (Tianjin) Machinery Co., LTD. Dorsten plant ZOLLERN Dorstener Antriebstechnik GmbH & Co. KG Steel Profiles Postfach 24 03 59 D-68173 Mannheim Tel. +49 62 18 45 90 Fax +49 62 18 45 92 63 eMail...

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CONTACT 14 15 ZOLLERN GmbH & Co. KG Foundry Technology Postfach 12 20 D-72481 Sigmaringen Tel. +49 75 71 70 44 0 Fax +49 75 71 70 60 1 eMail zgt@zollern.de ZOLLERN GmbH & Co. KG Foundry Technology Postfach 12 20 D-72481 Sigmaringen Steel Profiles Division Tel. +49 75 71 70 24 6 Fax +49 75 71 70 27 5 eMail zst@zollern.de Laucherthal plant We offer comprehensive project management: • Many years of project experience • CAD masters • Project meetings on-site and plant inspections • Detailed, binding offers Foundry Technology Division Tel. +49 75 71 70 44 0 Fax +49 75 71 70 60 1 eMail...

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