Overview
Lead square bars are a fundamental industrial material made from pure or alloyed lead, formed into solid bars with a square cross-section. These bars leverage lead's unique properties including high density, corrosion resistance, and malleability for specialized applications. The square shape provides structural advantages in certain installations compared to round bars, particularly in construction and shielding applications where flat surfaces are preferred. Lead's atomic structure makes it particularly effective for blocking radiation, which is why these bars are commonly specified in medical and nuclear facilities.
Physical and Chemical Properties
Lead square bars exhibit several distinctive physical properties. With a density of 11.34 g/cm³, they are among the densest common metals, making them ideal for weight-bearing and radiation shielding applications. The material is soft (Mohs hardness of 1.5) and malleable, allowing for easy machining and shaping without specialized tools. Chemically, lead is relatively inert in many environments, resisting corrosion from water and many chemicals. However, it reacts with acids and certain organic compounds. The metal has a low melting point (327.5°C) which facilitates casting and recycling processes. These properties combine to make lead square bars versatile for both permanent installations and temporary applications.
Main Applications
The primary application of lead square bars is in radiation shielding for medical, industrial, and nuclear facilities. They are used to construct protective barriers around X-ray equipment, CT scanners, and radioactive material storage areas. The square shape allows for efficient stacking and interlocking of shielding components. Other significant uses include ballast and counterweights in marine and industrial machinery, where their high mass-to-volume ratio is advantageous. In construction, lead square bars serve as vibration dampeners in buildings and bridges. Some specialized applications include soundproofing in recording studios and as electrodes in certain electrochemical processes.
Safety and Storage
Proper handling of lead square bars is critical due to lead's toxicity. Workers should wear gloves and avoid creating dust or fumes during cutting or machining operations. Adequate ventilation is essential, especially in enclosed spaces where lead particles might accumulate. Storage should be in dry, well-ventilated areas away from acidic substances that could corrode the metal. Bars should be kept clean and dry to prevent surface oxidation. For long-term storage, wrapping bars in protective coverings can prevent contamination. Facilities using lead products should implement regular surface cleaning protocols to minimize dust accumulation.
B2B Procurement Guide
When procuring lead square bars commercially, verify the material purity (typically 99.9% or higher) and request mill certificates of analysis. Check for compliance with relevant standards such as ASTM B29 for refined lead. Consider the bar dimensions carefully as lead is heavy and oversized bars may present handling challenges. Evaluate suppliers based on their ability to provide consistent quality and reliable delivery schedules. Many manufacturers offer custom cutting services to reduce on-site handling. For large projects, consider phased deliveries to minimize storage requirements. Always confirm proper hazardous material documentation for transportation and disposal considerations.
Related Manufacturers
- 主营：sa675gr70、f11圆钢、f92圆钢、H59黄铜方棒、f51圆钢、f91圆钢、34crnimo6、60si2crva、30crmntih、20crnimoa、b16圆钢、20crmnmoa、25#圆钢、30crnimo8、17crnimo6、h13圆钢、f53圆钢、f52圆钢、30crmnsia、40crmnmoa、f55圆钢、a36圆钢、f22圆钢、20crni2mo、f60圆钢、35crmnsia
- 主营：铝管、铜管、铝板、铜棒、黄铜棒、紫铜棒、铝棒、铜排、铜板、铜套、黄铜管、黄铜板、黄铜条、黄铜排、紫铜管、紫铜排、紫铜板、黄铜套、锡青铜、铝青铜、铝条、铝排、无缝铝管、花纹铝板
- 主营：铜扁条、纯铜排、变压器、2铅黄铜、铜排条、母线槽、铜母线、防铜条、tmr铜条、六角铜排、包塑铜排、配电铜排、导电器材、纯铜卷排、实心铜条、接地铜排、镀锡铜排、紫铜卷排、导电铜条、工业纯铜、铜排模具、接地铜条、定尺铜排、水冷铜排、异形铜排、铜排定做
- 主营：铝管、铝板、无缝铝管、铝棒、铜棒、紫铜棒、黄铜棒、铝方管、铜管、铜板、黄铜管、铝型材、紫铜管、紫铜板、紫铜盘管、黄铜型材
- 主营：自动门、硫酸钡砂、气密门、6mm铅板、ect铅门、3mm铅板、8mm铅板、2mm铅板、5mm铅板、室铅门、4mm铅板、x光铅门、dr室铅板、ct室铅板、自动铅门、铅门、铅 屏风、铅玻璃、防护门、防护材料、探伤房、探伤门、加速器防护门、MR核磁屏蔽
- 主营：防辐射材料、防辐射门、射线防护工程、铅桶、铅玻璃、防辐射铅门、2mm铅板、纯铅板、防辐射铅板、铅屏风、铅箱、铅罐、配重铅块、铅砖、铅板、铅门、铅粒、防辐射屏风、重晶石粉、硫酸钡砂、射线防护、辐射防护、医用门、钢质门
- 主营：铝管、铝型材、铝板、铝方管、铝棒、铜棒、无缝铝管、铜管、铜板
- 主营：电解铜、铝锭、锌锭、铅锭、电解钴、金属铬、电解锰、金属硅
- 主营：防辐射铅板、1号铅板纯铅定制
- 主营：防辐射铅块、防辐射铅板
- 主营：H90黄铜棒、高强镀锌板、工业装饰管、钢结构维护板
- 主营：雪花板、防辐射、铁皮瓦、薄铅板、铅圆通、铅圆片、铅熔丝、尺铅板、铅圆棒、金属铅、铅皮卷、pb1铅管、冲压铅、铝方通、铅板3mm、室铅砖、铅配件、隔震铅、lf5铝板、铝板ld8、0.5铝皮、ld2铝板、0.3铝皮、白铁皮、铝板lf2
- 主营：99.85铝锭、保温铝皮、保温铝卷、铅锭、一号铅锭、电解铅锭、铅材、99.996%铅、配重铅件、压型铝瓦、合金铝板、6063铝管、铝材、99.7铝锭
- 主营：dr室铅板、铅丝、铅棒、铅块、铅门、铅房、铅帘、铅板、辐射防护工程
- 主营：t2紫铜管、薄壁6063铝管、3003铝合金线、H62/H65黄铜棒、T2紫铜棒/无氧铜棒、C14500碲铜棒、无铅黄铜带、6061铝棒、7075铝棒、H65黄铜管、7075铝合金板、6082合金铝排、薄壁黄铜管、超薄黄铜板、铝镁合金管、环保黄铜板、国标环保黄铜、锡青铜管、黄铜雕刻板、精抽6063铝管、黄铜插头扁线、无缝铝管、6063铝线、铆钉铝合金线、C1020无氧铜板