描述
Bright Bars 光亮棒材
产品描述 / Product Description
中文：
光亮棒材是通过冷拉或精密磨削工艺制成的高精度金属棒材，具有卓越的表面光洁度和严格的尺寸公差，广泛用于精密机械、汽车零部件和电子设备。
English:
Bright bars are high-precision metal bars manufactured through cold drawing or precision grinding processes, featuring excellent surface finish and tight dimensional tolerances, widely used in precision machinery, automotive components and electronic devices.
产品规格 / Product Specifications
1. 基本参数 / Basic Parameters
| 标准/Standard | 材质/Material | 形状/Shape | 尺寸范围/Size Range | 长度/Length |
|---|---|---|---|---|
| ASTM A108 DIN 1013 JIS G3123 |
碳钢/合金钢/不锈钢 Carbon/Alloy/Stainless |
圆/方/六角 Round/Square/Hex |
Ø3-150mm 3-150mm |
3m/4m/6m 或定制 |
2. 尺寸公差 / Dimensional Tolerance
| 类型/Type | 直径/宽度公差 Size Tolerance |
直线度 Straightness |
圆度/角度公差 Roundness/Angle Tol. |
|---|---|---|---|
| 冷拉圆钢 Cold Drawn Round |
±0.05mm | ≤0.3mm/m | ≤0.02mm |
| 磨削圆钢 Ground Round |
±0.01mm | ≤0.1mm/m | ≤0.005mm |
| 六角钢 Hexagonal |
±0.08mm | ≤0.5mm/m | ±0.5° |
3. 机械性能 / Mechanical Properties
<td≥515<td≥205<td≥40
| 材质/Material | 抗拉强度 Tensile (MPa) |
屈服强度 Yield (MPa) |
延伸率 Elongation (%) |
|---|---|---|---|
| 1018 碳钢 | 440-550 | ≥370 | ≥18 |
| 4140 合金钢 | 850-1000 | ≥700 | ≥18 |
| 304 不锈钢 |
4. 表面特性 / Surface Characteristics
- 表面光洁度/Surface Finish:
- 冷拉/Cold Drawn: Ra 0.8-1.6μm
- 磨削/Ground: Ra 0.2-0.8μm
- 缺陷控制/Defects: 无裂纹、折叠和明显划痕/Free from cracks, folds and visible scratches
- 边缘状态/Edges: 直角/Square (方钢) 或 圆角/Rounded (圆钢)
5. 包装与认证 / Packaging & Certification
| 包装方式/Packing | 防锈保护/Rust Prevention | 质量认证/Certification | 标记要求/Marking |
|---|---|---|---|
| 木箱/Wooden Case 钢带捆装/Steel Strapping |
防锈油/Oil VCI包装/VCI Packaging |
EN 10204 3.1 ISO 9001 |
材质/Size 批号/Lot No. |
附加服务 / Additional Services
中文：
– 提供精密磨削加工（公差±0.005mm）
– 可做热处理（调质/退火/淬火）
– 特殊表面处理（镀锌/镀镍/发黑）
English:
– Precision grinding (±0.005mm)
– Heat treatment (QT/Annealing/Hardening)
– Special surface treatments (Zn/Ni plating/Blackening)
注：产品实际参数可能因生产工艺略有差异，具体以出厂检测报告为准
Note: Actual specifications may vary slightly due to manufacturing process, refer to mill test reports for exact values
