HS Code | Official Doc | Tariff Rate | Origin | Destination | Effective Date |
---|---|---|---|---|---|
8515310000 | Doc | 56.6% | CN | US | 2025-05-12 |
8515390020 | Doc | 56.6% | CN | US | 2025-05-12 |
8543708000 | Doc | 55.0% | CN | US | 2025-05-12 |
9304006000 | Doc | 43.2% | CN | US | 2025-05-12 |
9304004000 | Doc | 37.5% | CN | US | 2025-05-12 |
Digital Display Welding Machine
A digital display welding machine is an electric power tool used for joining metals using electricity to create a molten weld. These machines utilize digital controls and displays to provide precise control over welding parameters, enhancing weld quality and repeatability.
Material
These machines are capable of welding a wide variety of metals, including:
- Steel: Carbon steel, stainless steel, alloy steel.
- Aluminum: Various aluminum alloys.
- Iron: Cast iron, wrought iron.
- Other Metals: Copper, nickel alloys, titanium (depending on the specific machine and process).
The specific metals weldable depend on the welding process employed (see below).
Purpose
The primary purpose of a digital display welding machine is to create strong, permanent joints between metal parts. They are used in a vast range of applications, including:
- Manufacturing: Automotive, aerospace, construction, shipbuilding.
- Repair & Maintenance: Fixing broken metal structures, automotive repairs, pipe welding.
- Construction: Structural steel erection, pipeline construction.
- DIY & Hobbyist Projects: Fabrication, art, home repairs.
Function
Digital display welding machines function by providing a controlled electrical current and voltage to create an arc between an electrode and the workpiece. This arc generates intense heat, melting the metals at the joint and allowing them to fuse together. Digital controls manage:
- Output Current: Determines the heat input and penetration depth.
- Output Voltage: Influences arc characteristics and weld bead shape.
- Welding Process: Selects the appropriate welding method (see below).
- Pulse Settings: Controls the pulsed nature of the current for improved control and reduced heat input.
- Pre-flow & Post-flow Gas: Regulates shielding gas flow for contamination prevention.
The digital display provides real-time feedback on these parameters, allowing for precise adjustment and monitoring.
Usage Scenarios
- Shop Fabrication: Controlled environment for precise welding of components.
- On-Site Repairs: Portable machines for fixing metal structures in the field.
- Automated Welding: Integration with robotic systems for high-volume production.
- Thin Sheet Metal Welding: Pulse settings for controlled heat input to prevent distortion.
- Heavy-Duty Welding: High-output machines for thick materials and structural applications.
Common Types
Digital display welding machines encompass several different welding processes:
- MIG (Metal Inert Gas) Welding (GMAW - Gas Metal Arc Welding): Uses a continuously fed wire electrode and shielding gas (typically argon, helium, or CO2). Suitable for steel, aluminum, and stainless steel. Known for speed and ease of use.
- TIG (Tungsten Inert Gas) Welding (GTAW - Gas Tungsten Arc Welding): Uses a non-consumable tungsten electrode and shielding gas. Provides highly precise welds on a wide range of metals, including aluminum, stainless steel, and titanium. Requires more skill.
- Stick Welding (SMAW - Shielded Metal Arc Welding): Uses a consumable coated electrode. Versatile and portable, suitable for various metals and thicknesses. Less precise than MIG or TIG.
- Flux-Cored Arc Welding (FCAW): Uses a continuously fed tubular electrode containing flux. Suitable for heavier materials and outdoor applications.
- Pulse Welding: A variation of MIG, TIG, or Stick welding that uses pulsed current to control heat input and improve weld quality. Often used for thin materials or specific alloys.
Key Features
- Digital Display: Shows welding parameters in real-time.
- Adjustable Settings: Allows precise control over current, voltage, and other parameters.
- Pulse Control: Provides improved control and reduced heat input.
- Overload Protection: Protects the machine from damage.
- Remote Control Capability: Some models offer remote control for increased convenience.
- Synergic Control: Automatically adjusts parameters based on material type and thickness.
- Memory Functions: Saves preferred welding settings.
Based on the provided information, “digital display welding machine” can be classified under the following HS codes:
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8515310000: This HS code covers “Electric (including electrically heated gas), laser or other light or photon beam, ultrasonic, electron beam, magnetic pulse or plasma arc soldering, brazing or welding machines and apparatus, whether or not capable of cutting; electric machines and apparatus for hot spraying of metals or cermets; parts thereof: Machines and apparatus for arc (including plasma arc) welding of metals: Fully or partly automatic”. This is applicable if the welding machine utilizes arc welding technology and has some degree of automation. The first two digits (85) indicate Chapter 85, which covers Electrical machinery and equipment. The first four digits (8515) denote Heading 8515, specifically for machines for soldering, brazing, welding, etc. The final six digits (310000) represent the subheading for arc welding machines, fully or partly automatic.
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8515390020: This HS code covers “Electric (including electrically heated gas), laser or other light or photon beam, ultrasonic, electron beam, magnetic pulse or plasma arc soldering, brazing or welding machines and apparatus, whether or not capable of cutting; electric machines and apparatus for hot spraying of metals or cermets; parts thereof: Machines and apparatus for arc (including plasma arc) welding of metals: Other Non-rotating type: AC transformer type”. This applies to arc welding machines that are non-rotating and utilize AC transformer technology. The first two digits (85) indicate Chapter 85, covering Electrical machinery and equipment. The first four digits (8515) denote Heading 8515, specifically for machines for soldering, brazing, welding, etc. The final six digits (390020) represent the subheading for other non-rotating arc welding machines of the AC transformer type.
Regarding HS codes 8515310000 and 8515390020, the applicable tax rate is a basic tariff of 1.6%, an additional tariff of 25.0%, and an additional tariff of 30.0% after April 2, 2025, resulting in a total tariff of 56.6%.