描述
Cold-Drawn Flat Bars 冷拉扁钢
产品描述 / Product Description
中文：
冷拉扁钢通过冷拔工艺制成，具有精确的尺寸公差、光滑的表面光洁度和优异的机械性能，广泛用于精密机械、模具制造和自动化设备。
English:
Cold-drawn flat bars are manufactured through cold drawing process, featuring precise dimensional tolerance, smooth surface finish and excellent mechanical properties, widely used in precision machinery, mold making and automation equipment.
产品规格 / Product Specifications
1. 基本参数 / Basic Parameters
| 标准/Standard | 材质/Material | 宽度范围/Width | 厚度范围/Thickness | 长度/Length |
|---|---|---|---|---|
| ASTM A108 DIN 1013 GB/T 6723 |
1018, 1045 C45, CK45 ST52 |
5mm-150mm | 2mm-50mm | 3m/4m/6m 或定制 |
2. 尺寸公差 / Dimensional Tolerance
| 尺寸范围/Size | 宽度公差/Width Tol. | 厚度公差/Thickness Tol. | 直线度/Straightness |
|---|---|---|---|
| ≤20mm | ±0.05mm | ±0.03mm | ≤0.3mm/m |
| 20-50mm | ±0.08mm | ±0.05mm | ≤0.5mm/m |
| ＞50mm | ±0.10mm | ±0.08mm | ≤0.8mm/m |
3. 机械性能 / Mechanical Properties
| 材质/Material | 抗拉强度/Tensile (MPa) | 屈服强度/Yield (MPa) | 延伸率/Elongation (%) | 硬度/Hardness |
|---|---|---|---|---|
| 1018 | 440-550 | ≥370 | ≥18 | HRB 71-85 |
| 1045/C45 | 600-750 | ≥450 | ≥15 | HRB 85-95 |
| ST52 | 510-680 | ≥355 | ≥20 | HRB 80-90 |
4. 表面特性 / Surface Characteristics
- 表面光洁度/Surface Finish: Ra 0.4μm-1.6μm
- 边缘状态/Edges: 直角/Square 或 圆角/Rounded (R≤0.5mm)
- 缺陷控制/Defects: 无裂纹、折叠/Free from cracks and folds
5. 包装与认证 / Packaging & Certification
| 包装方式/Packing | 防锈保护/Rust Prevention | 质量认证/Certification |
|---|---|---|
| 木箱/Wooden Case 捆装/Bundle |
防锈油/Oil VCI包装/VCI Paper |
EN 10204 3.1 材质报告/MTR |
附加服务 / Additional Services
中文：
– 提供精密磨削加工（公差±0.01mm）
– 可做热处理调质（淬火+回火）
– 特殊表面处理（镀铬、发黑等）
English:
– Precision grinding service (±0.01mm)
– Heat treatment (quenching & tempering)
– Special surface treatments (chrome plating, blackening, etc.)
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
