描述
Forged & Proof Machined Bars 锻制精加工棒材
产品描述 / Product Description
中文：
锻制精加工棒材通过锻造工艺和精密机械加工制成，具有优异的机械性能和尺寸精度，适用于高压阀门、航空部件等高强度应用场景。
English:
Forged and proof machined bars are manufactured through forging and precision machining processes, offering exceptional mechanical properties and dimensional accuracy for high-stress applications like pressure valves and aerospace components.
产品规格 / Product Specifications
1. 基本参数 / Basic Parameters
| 标准/Standard | 材质/Material | 直径范围/Diameter | 长度范围/Length | 加工等级/Machining Class |
|---|---|---|---|---|
| ASTM A182 ASTM A479 EN 10250 |
F51/F60, F304/F316 4140, 4340 Alloy 20 |
20mm-500mm | 1m-6m | Class C/Class D |
2. 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 (%) | 冲击功/Impact (J) |
|---|---|---|---|---|
| F51 (Duplex) | 750-1000 | ≥550 | ≥25 | ≥100 |
| 4140 | 850-1000 | ≥700 | ≥18 | ≥40 |
| F316L | ≥485 | ≥170 | ≥40 | ≥60 |
3. 尺寸公差 / Dimensional Tolerance
| 直径范围/Diameter | 直径公差/OD Tolerance | 圆度/Roundness | 直线度/Straightness |
|---|---|---|---|
| 20-50mm | ±0.05mm | ≤0.03mm | ≤0.3mm/m |
| 50-150mm | ±0.08mm | ≤0.05mm | ≤0.5mm/m |
4. 表面处理 / Surface Treatment
- 表面粗糙度/Surface Finish: Ra 0.8μm-3.2μm
- 处理方式/Treatment: 精车/Fine Turning | 磨削/Grinding | 抛光/Polishing
- 特殊要求/Special: 钝化/Passivation | 喷丸/Shot Peening
5. 认证与检测 / Certification & Testing
| 检测项目/Test | 标准方法/Method | 证书文件/Certificate |
|---|---|---|
| 化学成分/Chemical | ASTM E1476 | EN 10204 3.1/3.2 |
| 超声波检测/UT | ASTM A388 | 报告/Report |
| 硬度测试/Hardness | ASTM E10/E18 | 随货报告/Test Report |
附加服务 / Additional Services
中文：
– 提供材料追溯报告（MTR）
– 可定制特殊合金成分
– 支持第三方检验（SGS/BV等）
English:
– Material Traceability Reports (MTR)
– Custom alloy compositions
– Third-party inspection available
注：所有数据为典型值，具体参数以实际订单技术协议为准
Note: All data are typical values, exact specifications subject to technical agreement
