Overview
Peeled solid bars are high-precision metal rods processed through a cold drawing and peeling technique to achieve superior surface finish and dimensional accuracy. The peeling process removes surface imperfections, resulting in a product with tight tolerances (±0.05mm) and excellent straightness. These bars are typically available in diameters ranging from 10mm to 200mm. Primarily used in industrial applications, peeled solid bars serve as raw material for machining components where surface quality and dimensional precision are critical. The manufacturing process ensures minimal residual stress, making them ideal for applications requiring stability and reduced machining distortion.
Structure and Working Principle
Peeled solid bars are produced through a multi-stage process beginning with hot-rolled steel bars. The material first undergoes cold drawing to achieve basic dimensional accuracy, followed by the peeling process where rotating cutters remove a thin surface layer (typically 0.1-0.3mm). This removes scale, pits, and other surface defects. The peeling operation is performed on specialized lathes or peeling machines that rotate the bar while stationary cutting tools remove material. This differs from grinding as it removes material in chips rather than abrasive particles. The result is a uniform surface with Ra values typically between 0.8-3.2μm, depending on requirements.
Key Features
The primary advantage of peeled solid bars is their exceptional surface quality, which reduces or eliminates the need for additional machining operations. This surface finish provides excellent wear characteristics and improved fatigue resistance compared to standard hot-rolled bars. Other notable features include superior straightness (typically <0.5mm/m) and consistent dimensional accuracy throughout the length. The peeling process also work-hardens the surface layer slightly, enhancing mechanical properties. These bars are available in various hardness levels, with common options including annealed, normalized, or pre-hardened conditions.
Application Areas
Peeled solid bars find extensive use in the automotive industry for manufacturing precision shafts, gears, and hydraulic components. Their dimensional stability makes them ideal for bearing races and other high-precision applications. In general machinery manufacturing, they're used for linear motion components, piston rods, and guide rods. The oil and gas industry utilizes them for valve stems and other critical components where surface integrity is paramount. They're also common in mold making and as material for CNC machining of high-value components.
Maintenance and Precautions
Proper storage is essential to maintain the quality of peeled solid bars. They should be kept in a dry environment to prevent rust formation, ideally on racks that prevent bending or distortion. For long-term storage, protective coatings or vapor corrosion inhibitors are recommended. When machining peeled bars, use sharp tools and appropriate cutting parameters to maintain surface integrity. Avoid excessive clamping pressure that could cause deformation. For critical applications, stress relieving after machining may be necessary, especially for larger diameters or complex geometries.
B2B Procurement Guide
When sourcing peeled solid bars, specify material grade, dimensional tolerances, surface finish requirements, and straightness criteria. Lead times can vary from 2-8 weeks depending on material availability and processing requirements. Quality certifications to request include material test certificates (MTC), surface roughness measurements, and straightness reports. For large volume orders (typically >5 tons), negotiate pricing based on current raw material indices. Consider regional suppliers for cost efficiency in logistics, especially for heavy sections.
Related Manufacturers
- 主营：哈氏合金C276板、镍基合金法兰、镍基合金焊管、蒙乃尔合金、钛板、钛管、哈氏合金C22无缝管、Inconel600、Inconel601、Inconel625、Inconel718、Incoloy825、Monel400、904L、254smo、Incoloy800H、镍合金弯头、镍合金三通、哈氏合金法兰、镍合金无缝管、纯镍N6、N08020、等径异径三通、弯头、对焊承插螺纹法兰
- 主营：哈氏合金、精密合金、镍铜合金、纯镍N6、钛合金、双相不锈钢、耐热不锈钢、Incoloy镍合金、超级奥氏体不锈钢、模具钢
- 主营：镀锌方管、镀锌管、镀锌板、303易切削不锈钢棒、冷板、热轧板、中板、角钢、槽钢、工字钢、H型钢、焊管、方管、酸洗板、冷轧板、开平板
- 主营：A105圆钢、A350LF2低温圆钢、A182F1钢锭、GH2132圆棒、34CrNiMo6圆棒、35CrMoV圆棒、21CrMoV5-7圆棒、17-4PH圆棒、630圆棒、XM-19圆棒、S21800圆棒、A336F1板坯、F11圆钢、F91圆钢、C276哈氏合金、C276圆钢、431圆钢
- 主营：冷轧钢带、合金钢管、钢板切割、无缝钢管、激光切割、高压锅炉合金管、非标件机械加工、轴承钢耐磨圆管
- 主营：哈氏合金、高温合金、镍基合金、研磨棒、棒材、钴基合金、耐腐蚀合金、精密合金、蒙乃尔合金、英科乃尔合金、软磁合金、镍合金、钛合金、电热合金、沉淀硬化钢、双相钢、锻件、锻环、线材、耐热合金、板材、精密管、精轧管、管材
- 主营：镍基合金、铜镍合金、高温合金、C71500白铜棒、TP2磷脱氧铜棒、耐腐蚀合金、因科洛伊800、英科耐尔625、哈氏合金C276、HAl77-2黄铜管、T2紫铜管、B30铜镍无缝管、B10铜镍法兰、C70600铜镍板、螺纹换热管、蒙乃尔400、冷凝换热管、化工用镍基合金管、换热设备用铜管、铜镍三通/弯头、翅片管、换热管材定制、HSN70-1锡黄铜
- 主营：冷拉扁钢、冷拉方钢、冷拔圆钢、303易切削不锈钢棒、无缝方管、Q355方管、Q460C高强钢板、易切削圆钢
- 主营：不锈钢棒、不锈钢带、不锈钢管、不锈钢卷板
- 主营：304角钢、不锈钢板、激光焊管、304不锈钢六角棒、不锈钢角钢、耐腐蚀薄带、不锈钢管材、不锈钢槽钢、不锈钢圆钢、耐磨带焊丝、不锈钢焊条、耐高温钢板、钢构专用角钢、不锈钢镜面板、304不锈钢扁钢、304l不锈钢方钢
- 主营：不锈钢板、不锈钢管、不锈钢水管、剥皮圆钢加工、不锈钢圆钢
- 主营：哈氏合金、无缝合金管、高温合金板材、镍基合金钢板
- 主营：厚壁钢管、不锈钢板、不锈钢管、S30408不锈钢圆棒、304大口径、不锈钢油磨、不锈钢卷板、化工管道管、拉丝不锈钢、镜面不锈钢管、大口径无缝管
- 主营：高温合金、镍基合金、哈氏合金、高温合金棒、镍基合金718圆棒、GH4169棒材、可伐合金棒、殷钢棒、镍基合金625棒材、蒙乃尔合金、高温合金板、高温合金管、高温合金带、钴基合金、因瓦合金、可伐合金、哈氏合金C276、哈氏合金B2、GH4169钢板、冷轧板、无缝钢管、GH605冷轧带、镍基合金带材、gh4169板材、磁滞合金2J10丝材
- 主营：20#碳钢、25#圆钢、h13圆钢、35#圆棒、t10圆钢、1144圆钢、1cr6si2mo、25cr2mo1v、1215圆钢、1214圆钢、34crnimo6、20CrMo圆钢、42CrMo圆钢、40CrNiMo圆钢、耐候板、10#圆钢、35CrMo圆钢、12cr1movr、容器板、碳素板、20#板材、20#圆钢、10#碳板、合金圆钢、sa516gr70