HS Code | Product Description | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|---|
8468905000 | Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof: Parts: Other | Doc | 55.0% | CN | US | 2025-05-12 |
8468901000 | Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof: Parts: Of hand-directed or -controlled machinery and apparatus | Doc | 57.9% | CN | US | 2025-05-12 |
8487900080 | Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter: Other Other | Doc | 83.9% | CN | US | 2025-05-12 |
8487900040 | Machinery parts, not containing electrical connectors, insulators, coils, contacts or other electrical features, and not specified or included elsewhere in this chapter: Other Oil seals, other than those of chapter 40 | Doc | 58.9% | CN | US | 2025-05-12 |
7326110000 | Other articles of iron or steel: Forged or stamped, but not further worked: Grinding balls and similar articles for mills | Doc | 80.0% | CN | US | 2025-05-12 |
7326908688 | Other articles of iron or steel: Other: Other: Other: Other Other | Doc | 82.9% | CN | US | 2025-05-12 |
Elliptical Toothed Welding Ring
材质 (Material):
- 碳钢 (Carbon Steel): 最常见的材料,适用于大多数焊接应用。
- 合金钢 (Alloy Steel): 用于需要更高强度、耐磨性或耐腐蚀性的应用。常见合金包括铬、钼、钒等。
- 不锈钢 (Stainless Steel): 用于腐蚀环境或卫生要求高的应用。
- 其他特殊合金 (Other Special Alloys): 例如镍合金、钛合金等,用于极端环境或特殊需求。
用途 (Application):
- 管道连接 (Pipeline Connection): 用于连接管道,尤其是在石油、天然气、化工等行业。
- 压力容器 (Pressure Vessels): 用于制造压力容器的连接。
- 结构焊接 (Structural Welding): 用于连接大型结构,例如桥梁、建筑等。
- 锅炉 (Boilers): 用于锅炉的焊接。
功能 (Function):
- 提供焊接连接 (Provide Welding Connection): 通过自身的形状和齿状结构,与被焊材料咬合,形成牢固的连接。
- 密封 (Sealing): 齿状结构有助于形成良好的密封,防止泄漏。
- 传递载荷 (Load Transfer): 将载荷传递到被焊材料,保证结构的强度和稳定性。
- 减少应力集中 (Reduce Stress Concentration): 齿状结构有助于分散应力,减少应力集中。
使用场景 (Use Cases):
- 石油和天然气行业 (Oil and Gas Industry): 用于连接管道、储罐、压力容器等。
- 化工行业 (Chemical Industry): 用于连接管道、反应器、储罐等。
- 电力行业 (Power Industry): 用于锅炉、压力容器等。
- 建筑行业 (Construction Industry): 用于连接大型结构。
- 造船行业 (Shipbuilding Industry): 用于船体结构的焊接。
常见类型 (Common Types):
- 内齿环 (Internal Tooth Rings): 齿位于环的内侧,适用于焊接内径较大的管道或容器。
- 外齿环 (External Tooth Rings): 齿位于环的外侧,适用于焊接外径较大的管道或容器。
- 锥形齿环 (Tapered Tooth Rings): 具有锥形形状,适用于需要进行角度调整的焊接。
- 自锁齿环 (Self-Locking Rings): 具有自锁功能,不需要额外的固定装置。
- 标准型 (Standard Type): 按照通用标准制造的普通焊接环。
- 高强度型 (High Strength Type): 采用高强度材料制造,适用于高强度焊接。
- 特殊材料型 (Special Material Type): 采用特殊材料制造,适用于特殊环境。
焊接方法 (Welding Methods):
- 手工电弧焊 (SMAW): 适用于各种位置焊接。
- 气体保护焊 (GMAW/GTAW): 适用于高质量焊接。
- 埋弧焊 (SAW): 适用于大厚度焊接。
- 等离子焊 (PAW): 适用于精密焊接。
- 电阻焊 (Resistance Welding): 适用于批量生产。
Based on the provided reference material, the following HS codes may be relevant to “elliptical toothed welding ring”:
-
8468.90.50.00: Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof: Parts: Other.
- 84: Chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
- 68: Heading 8468 specifically covers machinery for soldering, brazing or welding.
- 90: Subheading 8468.90 covers parts of the aforementioned machinery.
- 50: Further specifies “Other” parts. This code could apply if the welding ring is considered a component part of a larger welding apparatus. The total tax rate is 55.0%.
-
8468.90.10.00: Machinery and apparatus for soldering, brazing or welding, whether or not capable of cutting, other than those of heading 8515; gas-operated surface tempering machines and appliances; parts thereof: Parts: Of hand-directed or -controlled machinery and apparatus.
- 84: Chapter 84 covers nuclear reactors, boilers, machinery and mechanical appliances; parts thereof.
- 68: Heading 8468 specifically covers machinery for soldering, brazing or welding.
- 90: Subheading 8468.90 covers parts of the aforementioned machinery.
- 10: Specifically for parts of hand-directed or -controlled machinery and apparatus. This code could apply if the welding ring is used in hand-held welding equipment. The total tax rate is 57.9%.
-
7326.11.00.00: Other articles of iron or steel: Forged or stamped, but not further worked: Grinding balls and similar articles for mills.
- 73: Chapter 73 covers articles of iron or steel.
- 26: Heading 7326 covers other articles of iron or steel.
- 11: Subheading 7326.11 covers forged or stamped, but not further worked. The total tax rate is 80.0%.
-
7326.90.86.88: Other articles of iron or steel: Other: Other: Other: Other Other.
- 73: Chapter 73: Chapter 73 covers articles of iron or steel.
- 26: Heading 7326 covers other articles of iron or steel.
- 90: Subheading 7326.90 covers other articles of iron or steel.
- 86: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- 88: Further specifies “Other” articles.
- The total tax rate is
-
7326.908688: Other articles of iron or steel: Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other Other