Цинковый сплав — это металл с низкой температурой плавления, низкими затратами на плавку и легкой формовкой в литейной промышленности. Он широко используется в прецизионном литье, таком как литье под давлением и гравитационное литье.

Цинковый сплав играет ключевую роль в прецизионном литье, особенно в отраслях потребительской электроники и телекоммуникаций. Его популярность обусловлена исключительными свойствами, в частности коррозионной стойкостью, высокой теплопроводностью и возможностями прецизионного литья. В прецизионном литье, где допуски могут быть настолько строгими, как ±0,01 мм, цинковые сплавы демонстрируют способность поддерживать такую высокую точность, гарантируя соответствие сложных компонентов самым требовательным стандартам.
Одним из ярких примеров превосходства цинкового сплава является производство смартфонов. Точные размеры корпуса телефона имеют решающее значение в телекоммуникационной отрасли. Литье из цинка позволяет создавать сложные конструкции, сохраняя при этом структурную целостность. Это способствует элегантному внешнему виду устройства и повышает его долговечность, демонстрируяremarkable применения цинкового сплава в мире прецизионного литья. Экспертиза Neway в использовании цинкового сплава для таких применений exemplifies их приверженность предоставлению высококачественных решений.
Цинковый сплав является лучшим металлом для литья под давлением и гравитационного литья благодаря низкой температуре плавления, хорошей текучести и легкой формовке. Отливки из цинкового сплава, полученные литьем под давлением и гравитационным литьем, обычно имеют лучшие допуски и свойства тонких стенок. commonly используемые цинковые сплавы в Neway включают Zamak 2, Zamak 3, Zamak 5, Zamak 7, ZA 8, ZA-12, ZA-35, ACuZinc5, EZAC, ZA 27 — цинк-алюминий.
Марка сплава | Алюминий | Медь | Магний | Железо (макс.) | Свинец (макс.) | Кадмий (макс.) | Олово (макс.) | Цинк |
|---|---|---|---|---|---|---|---|---|
Zamak 3 | 3.9 | 0.25 | 0.02 | 0.075 | 0.003 | 0.002 | 0.002 | 95.9 |
Zamak 5 | 3.5 | 0.25 | 0.035 | 0.075 | 0.003 | 0.002 | 0.002 | 95.7 |
Zamak 2 | 3.5 | 0.25 | 0.02 | 0.075 | 0.003 | 0.002 | 0.002 | 95.7 |
Zamak 7 | 3.9 | 0.25 | 0.035 | 0.075 | 0.003 | 0.002 | 0.002 | 95.7 |
ZA-8 | 8.0 | 2.0 | 0.02 | 0.075 | 0.003 | 0.002 | 0.002 | 88.0 |
ZA-12 | 11.0 | 1.0 | 0.02 | 0.075 | 0.003 | 0.002 | 0.002 | 86.0 |
ZA-35 | 35.0 | 1.5 | 0.005 | 0.1 | 0.005 | 0.005 | 0.005 | 58.5 |
ACuZinc5 | 4.0 | 4.0 | 0.02 | 0.1 | 0.003 | 0.002 | 0.002 | 91.0 |
EZAC | 4.0 | 1.0 | 0.03 | 0.1 | 0.003 | 0.002 | 0.002 | 92.0 |
ZA 27 | 26.0 | 2.2 | 0.02 | 0.075 | 0.003 | 0.002 | 0.002 | 68.8 |
Алюминий (Al):
Алюминий является универсальным элементом в цинковых сплавах. Он primarily служит для повышения прочности сплава. Образуя твердый раствор с цинком, алюминий увеличивает твердость и предел прочности на разрыв сплава. Он также играет ключевую роль в promoting затвердевания сплава. Кроме того, в сочетании с другими элементами, такими как медь, алюминий помогает контролировать структуру зерна сплава, что может быть crucial для достижения определенных механических свойств.
Медь (Cu):
Медь известна тем, что повышает предел прочности на разрыв и твердость в цинковых сплавах. Она улучшает сопротивление сплава износу и коррозии. Однако важно тщательно управлять содержанием меди. Избыток меди может снизить текучесть расплавленного сплава во время литья, потенциально приводя к дефектам литья. Таким образом, поддержание правильного баланса имеет crucial значение для оптимизации свойств сплава.
Магний (Mg):
Магний primarily способствует текучести расплавленного цинкового сплава. Эта повышенная текучесть обеспечивает плавное течение сплава во время литья, точно заполняя сложные полости формы. Кроме того, магний aids в refining структуры зерна сплава, leading к улучшенным механическим свойствам. Меньшие зерна обычно result в повышенной прочности и твердости.
Железо (Fe, макс.):
Хотя минимальное количество железа может naturally присутствовать в качестве примеси, его содержание обычно контролируется, чтобы ensure оно не превышало specified лимиты. Избыток железа может detrimentally повлиять на коррозионную стойкость и механические свойства сплава. Keeping железо в acceptable пределах is essential для достижения desired performance характеристик.
Свинец (Pb, макс.):
Свинец обычно kept на deficient уровнях или eliminated в современных цинковых сплавах, especially those intended for литья. Потому что свинец может lead к хрупкости и negatively affect механические свойства сплава, excess свинец is undesirable для достижения desired casting качества.
Кадмий (Cd, макс.):
Кадмий является еще одним элементом, restricted или absent в contemporary цинковых сплавах due to его токсичности. Его presence может compromise коррозионную стойкость и механические свойства сплава. Reduction кадмия в сплавах aligns с environmental и health safety standards.
Олово (Sn, макс.):
Like свинец и кадмий, олово typically maintained на low уровнях или avoided в casting сплавах. An excessive содержание олова может render сплав хрупким и less suitable для casting applications. Олово commonly found в non-casting цинковых сплавах, such as those used в soldering, where его lower температура плавления is advantageous.
Хотя существует множество марок литых цинковых сплавов, различия в их химическом составе также приводят к значительным различиям в их свойствах. Почти каждый цинковый сплав имеет свое particular применение. Например, Zamak 2 является самым твердым среди серии цинковых сплавов Zamak. Zamak 3 является наиболее commonly используемым цинковым сплавом для литья под давлением и most commonly используемым цинковым сплавом в Северной Америке. Zamak 5 является цинковым сплавом, widely используемым в Европе.
Zamak 2 offers good прочность и твердость. Suitable для parts, requiring intricate формы. Zamak 3 is widely used due to его balance of прочность и flexibility. Suitable для a range of applications, включая automotive компоненты и consumer electronics. Zamak 5 offers higher прочность и твердость compared to Zamak 3. It's commonly used в the automotive industry для parts, that need increased прочность. Zamak 7 provides excellent castability и minimal dimensional change. They are used в applications, requiring high flexibility, such as decorative hardware.
ZA-8 has high прочность и excellent bearing свойства. It is commonly used в gears, hydraulic parts, и electrical components.ZA-12 offers superior creep resistance и is often used в applications, requiring prolonged exposure к elevated temperatures. ZA-35 provides good прочность и impact resistance. They are used в applications like automotive и industrial components. ACuZinc5 is notable for its high copper content. It offers good electrical conductivity. They are commonly used в electrical connectors и electronic applications. EZAC is known for its excellent machinability и castability, often used в automotive, electronics, и telecommunications. ZA 27 - Цинк Алюминий offers high прочность и excellent bearing свойства. They are used в applications like brackets, handles, и hinges.

Свойство | Относительное удлинение (%) | Предел прочности на разрыв (МПа) | Предел текучести (МПа) | Ударная вязкость (Дж) | Твердость (по Бринеллю) | Плотность (г/см³) | Температура плавления (°C) | Теплопроводность (Вт/м·К) | Электропроводность (% IACS) |
|---|---|---|---|---|---|---|---|---|---|
Zamak 2 | 2 | 250 | 180 | 45 | 70 | 6.6 | 380 | 109 | 27-30 |
Zamak 3 | 3 | 260 | 190 | 50 | 80 | 6.6 | 380 | 109 | 27-30 |
Zamak 5 | 7 | 240 | 180 | 40 | 80 | 6.6 | 380 | 109 | 27-30 |
Zamak 7 | 10 | 240 | 170 | 35 | 80 | 6.6 | 380 | 109 | 27-30 |
ZA-8 | 3-5 | 300-320 | 180-200 | 60-80 | 90-100 | 6.8-7.1 | 380-386 | 109 | 27-30 |
ZA-12 | 3-5 | 320-340 | 200-220 | 70-80 | 90-100 | 6.8-7.1 | 380-386 | 109 | 27-30 |
ZA-35 | 1-2 | 320-340 | 180-200 | 70-80 | 90-100 | 6.8-7.1 | 380-386 | 109 | 27-30 |
ACuZinc5 | 0.5-2 | 170-200 | 140-170 | 15-20 | 65-75 | 6.9-7.3 | 380-386 | 121 | 13-16 |
EZAC | 2-3 | 290-310 | 190-210 | 45-55 | 80-90 | 6.6-7.0 | 380-386 | 109 | 27-30 |
ZA 27 - Цинк Алюминий | 2-3 | 310-330 | 200-220 | 50-60 | 90-100 | 6.5-6.8 | 380-386 | 116 | 17-19 |
Являясь ведущим производителем литья, Neway обладает отличными производственными возможностями, сильными научно-технологическими capabilities и богатым опытом в выборе и кастомизации материалов. Мы предоставляем услуги литья цинковых сплавов под давлением и гравитационного литья многим известным компаниям по всему миру.

Цинковый сплав 2, commonly называемый Zamak 2 или Kirksite, recognized за его exceptional прочность и твердость within the Zamak alloy family. По стандартам ASTM, он классифицируется как ASTM AC43A.
Zamak 2 exhibits superior mechanical properties, making it an ideal choice for precision casting applications. Он possesses excellent tensile strength and hardness, ensuring durability and longevity. Его low melting point и exceptional fluidity make it suitable for intricate casting of complex, high-precision parts. Moreover, it showcases excellent surface finish, making it well-suited for applications where aesthetics and precision are paramount. В прецизионном литье, Zamak 2 is extensively utilized for producing a wide range of components, including automotive parts, electronic housings, decorative hardware, and various industrial components. Его high strength и precision casting capabilities enable the creation of intricate, high-precision parts in industries such as Consumer Electronics, Telecommunication, Lighting Solutions, Power Tools, and Locking Systems, where exacting standards are imperative.
Zamak 3, often called Zinc Alloy 3, is recognized as one of North America's most widely used zinc alloys, bearing the ASTM grade AG40A.
This versatile alloy is favored for its excellent balance of mechanical properties, combining moderate strength, good flexibility, and high impact resistance. With a consistent composition and dependable performance, Zamak 3 is known for its low melting point, facilitating efficient and cost-effective casting. Its corrosion resistance is also valued, making it suitable for various environments.
Zamak 3 is employed across a broad spectrum of precision casting applications. It is commonly utilized in industries such as Consumer Electronics, Telecommunication, and Automotive for manufacturing components like intricate casings, connectors, and housing for electronic devices. Its exceptional properties, including ease of machining, make it ideal for creating high-precision parts where reliability and quality are paramount. Zamak 3's versatility and dependability continue positioning it as a top choice in precision casting.


Zamak 5 (ASTM AC41A), known as Zinc Alloy 5, is recognized as the predominant zinc alloy in Europe, adhering to the ASTM AC41A.
Zamak 5 stands out for its commendable combination of strength and hardness, which makes it a preferred choice for precision casting applications. Its properties make it particularly well-suited for parts requiring higher strength, such as those in the automotive industry. Zamak 5's superior fluidity and low melting point contribute to its precision casting capabilities, allowing for the creation of intricately designed components. Additionally, its corrosion resistance enhances its applicability in diverse environments.
This alloy finds extensive use in precision casting applications, especially in the European market. It is commonly employed in the Automotive industry for producing components that demand enhanced strength and durability. Zamak 5's high-precision capabilities make it suitable for manufacturing parts in sectors like Consumer Electronics, Telecommunication, Lighting Solutions, and Power Tools, where exacting standards are crucial. Its widespread acceptance in Europe underscores its reputation as a top-tier alloy for precision casting.
Zamak 7, also designated as Zinc Alloy 7 under the ASTM grade AG40B, is a noteworthy modification of Zamak 3. This alloy is recognized for its high purity, ensuring lower magnesium content and stringent impurities specifications.
What sets Zamak 7 apart is its exceptional casting fluidity, improved flexibility, and enhanced surface finish, thanks to its lower magnesium content and rigorous impurities control. This alloy's composition and purity make it an excellent choice for precision casting.
Zamak 7's attributes make it suitable for precision casting in various industries. It finds application in sectors such as Consumer Electronics and Telecommunication, where high-quality casings, connectors, and intricate parts are essential. Additionally, its superior casting fluidity and purity make it valuable in the Power Tools and Locking Systems industries, contributing to producing high-precision components where strength, flexibility, and surface finish are paramount.


ZA-8, a zinc-aluminum alloy boasting approximately 8.4% aluminum content, stands out as a unique and essential material in precision casting. One of ZA-8's remarkable features is its higher aluminum content, granting it enhanced strength, durability, and wear resistance. Its exceptional fluidity during casting makes it a prime choice for producing intricately designed components, particularly those that demand precision. Notably, ZA-8 is the sole ZA alloy suitable for hot-chamber die casting. This advantage simplifies the manufacturing process for specific components, as it eliminates the need for additional steps in production.
In precision casting, ZA-8 plays a pivotal role in various industries. Its high strength and wear resistance make it a favored material for creating durable components in the Automotive sector, such as gearbox parts and brackets. Its precision casting capabilities also find utility in the Consumer Electronics and Telecommunication industries, where intricate and high-precision components like connectors and housing are essential. ZA-8's ability to streamline production, thanks to its compatibility with hot-chamber die casting, positions it as a vital choice for applications where precision, strength, and efficiency are paramount.
ZA-12, often recognized in the industry as Zinc Aluminum Alloy 12, is prized for its unique attributes and suitability for demanding applications. One of ZA-12's distinguishing features is its superior resistance to creep, making it ideal for applications requiring prolonged exposure to elevated temperatures. This alloy's remarkable creep resistance ensures stability and reliability even in demanding thermal conditions. Its composition, balanced zinc, aluminum, and other elements, imparts exceptional casting properties, enabling the production of intricate, high-precision parts. ZA-12's suitability for high-temperature environments, combined with its precise casting capabilities, positions it as an excellent choice for applications where both durability and precision are essential.
ZA-12 is commonly employed in the Automotive sector for manufacturing components exposed to elevated temperatures, like engine parts and exhaust system components. Additionally, its precision casting capabilities serve well in Consumer Electronics, Telecommunication, and Power Tools industries, where intricate, high-precision components are essential for product performance and longevity. ZA-12's unique


ZA-35, often called Zinc Aluminum Alloy 35, is a versatile alloy known for its strength and impact resistance, making it an excellent choice for various applications.
One of ZA-35's standout features is its combination of good strength and impact resistance. This alloy offers robust mechanical properties, ensuring the durability of cast components. Its casting properties also make it well-suited for precision casting, facilitating the creation of intricate, high-precision parts. ZA-35's reliability in withstanding impact and consistent composition contribute to its wide range of applications.
ZA-35 is extensively used in precision casting for applications demanding strength and impact resistance. It finds a notable place in the Automotive industry, where it's employed in manufacturing various components, including brackets and structural parts. The industrial sector also benefits from its precision casting capabilities, as ZA-35 produces durable components that can withstand demanding conditions.
ACuZinc5, also known as Zinc-Copper Alloy 5, is an innovative alloy developed by General Motors, celebrated for its unique properties and advantages in die casting and gravity casting applications.
This alloy is renowned for its exceptional creep performance, making it a standout choice in applications requiring long-term stability under elevated temperatures. Additionally, ACuZinc5 exhibits remarkable surface hardness, ensuring durability and wear resistance. Its lubricity, or low friction properties, is a distinctive advantage, reducing friction and wear between moving components. These characteristics collectively make ACuZinc5 an ideal choice for precision die casting and gravity casting, especially for parts that must withstand challenging conditions.
ACuZinc5's remarkable features find applications in diverse industries. In die casting, it is commonly used in manufacturing parts for automotive and industrial sectors, where high-temperature stability, surface hardness, and lubricity are crucial. Its excellence in gravity casting makes it a preferred choice for producing components for power tools and locking systems, ensuring their long-lasting performance.


EZAC, often known as Zinc Alloy EZAC, stands out as a high-quality hot-chamber zinc die-casting alloy, prized for its exceptional properties and diverse applications in die casting and gravity casting.
EZAC is distinguished by its superior creep resistance, making it an excellent choice for applications exposed to high temperatures and prolonged stress. This alloy also boasts high yield strength and hardness, ensuring exceptional durability and wear resistance.
EZAC's remarkable features find utility in a range of industries. Die casting is commonly employed in the automotive sector to produce robust engine components and other parts requiring high temperatures and mechanical stress resistance. Furthermore, its excellence in gravity casting is valuable in the aerospace and power tool industries, where precise, high-strength components are crucial for reliable performance.
ZA 27, commonly called Zinc Aluminum Alloy 27, is a distinctive alloy distinguished by its substantial aluminum content, represented by the number 27.
ZA 27 stands out for its remarkable aluminum content, offering exceptional strength and toughness. Its high strength-to-weight ratio makes it a preferred choice for applications with paramount structural integrity and durability. ZA 27's resistance to corrosion, even in demanding environments, enhances its suitability for die casting and gravity casting.
In die casting, ZA 27 is frequently utilized in producing components for the automotive and aerospace industries, where the combination of high strength, lightweight properties, and precision casting is essential. Its adaptability to gravity casting makes it valuable in producing locking systems, power tools, and lighting solutions, where durability and intricate part design are imperative. ZA 27's exceptional aluminum content and precise casting capabilities make it a reliable choice for applications where strength and precision are pivotal.

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