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ASTM B793-08
Standard Specification for Zinc Casting Alloy Ingot for Sheet Metal Forming Dies and Plastic Injection Molds
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Разработчик:
Зарубежные/ASTM
ICS:
77.120.60 Lead, zinc, tin and their alloys / Свинец, цинк, олово и их сплавы
Сборник (ASTM):
02.04 Nonferrous Metals – Nickel, Titanium, Lead, Tin, Zinc, Zirconium, Precious, Reactive, Refractory Metals and Alloys: Materials for Thermostats, Electrical Heating and Resistance Contact, and Connectors / Цветные металлы - Никель, Кобальт, Свинец, Олово, Цинк, Кадмий, Драгоценные металлы, химически активные металлы, Тугоплавкие металлы и сплавы, Материалы для Термостатов, Электронагревательных приборов, Контактов, Соединительные устройств
Тематика:
Other Nonferrous Metals
Описание
Реферат

This specification covers the standard requirements for commercial zinc casting alloys in ingot form for use in the manufacture of sheet metal forming dies, sand cast or plaster cast forming dies, and plastic injection molds. Kirksite A alloy (UNS Z35543) is intended for use in the fabrication of dies for sheet metal stamping under drop hammer and hydraulic pressure while Kirksite B alloy (UNS Z35542) is a special purpose alloy of closely controlled composition and is primarily used in the manufacture of plastic injection molds. The alloys may be made by any approved process and shall be of uniform quality and free from dross, slag, or other harmful contamination. Jumbo or block ingots shall conform to the configuration, or to a shape and size previously agreed upon. Conformance with the composition requirements for aluminum, cadmium, copper, iron, lead, magnesium, tin and zinc shall be determined by spectrographic or chemical analysis. The samples for chemical analysis shall be taken from the material by drilling, sawing, milling, turning, or clipping a representative piece or pieces of the ingot.

Область применения

1.1 This specification covers commercial zinc alloys in ingot form for remelting for the manufacture of dies and molds from the alloys as shown in Table 1.

1.2 This specification presents requirements for zinc alloys suitable for the production of sand cast or plaster cast forming dies for sheet metal stamping operations and plastic injection molding. Alloy A is intended for use in the fabrication of dies for sheet metal stamping under drop hammer and hydraulic pressure. Alloy B is a special purpose alloy of closely controlled composition and is primarily used in the manufacture of plastic injection molds.

1.3 This specification covers two zinc alloys which are specified and designated as follows:

UNS ASTMTraditional
Z35543 Alloy AKirksite A
Z35542 Alloy BKirksite B

1.4 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to become familiar with all hazards including those identified in the appropriate Material Safety Data Sheet (MSDS) for this product/material as provided by the manufacturer, to establish appropriate safety and health practices, and determine the applicability of regulatory limitations prior to use.

Ключевые слова:
blanking dies; casting; casting alloys; forming dies; gravity casting; Kirksite; Kirksite A; Kirksite B; sheet metal dies; zinc; Die casting zinc alloys--specifications; Molding/extrusion compounds/materials--specifications; Zinc--specifications; Ingots; Kirksite; Plastic injection molds; Sand castings (zinc alloy); Sheet metal; UNS Z35542 (Zn alloy); UNS Z35543 (Zn alloy); Zinc alloy castings