Metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods

HS v2022 Code: 3810

Chapter	Heading	Sub-heading
38	10	n/a

Code	3810
Version	HS v2022
Hierarchy Level	4
Datasource	WCO
Chapter	38

Ancestor Codes: Chemical products n.e.c.

This Code: Metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods

Child Codes: Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials; Fluxes and other auxiliary preparations; for soldering, brazing or welding, or preparations used as cores or coatings for welding electrodes or rods

Sibling Codes (Nearest 5): Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar preparations based on rosin, resin acids or on vegetable pitch; Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products, plant growth regulators, disinfectants and the like, put up in forms or packings for retail sale or as preparations or articles; Finishing agents, dye carriers to accelerate the dyeing, fixing of dyestuffs, other products and preparations, of a kind used in the textile, paper, leather or like industries, n.e.c. or included; Anti-knock preparations, oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations and the like, for mineral oils (including gasoline) or other liquids used for the same purposes; Prepared rubber accelerators; compound plasticisers for rubber or plastics, n.e.c. or included; anti-oxidising preparations and other compound stabilisers for rubber or plastics

About metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods

HS code 3810 covers a diverse range of metal-related preparations and materials used in various industrial processes. These products play a crucial role in the manufacturing and fabrication sectors, enabling efficient and effective metal joining, surface treatment, and welding operations. As a key component of the broader metal and machinery industries, the 3810 product group is integral to the global supply chain and economic development.

Production process

The production of 3810 items typically involves the formulation and blending of specialized chemical compounds, powders, and pastes. Manufacturers utilize a range of techniques, such as mixing, milling, and compounding, to create these metal-related preparations. The specific production methods may vary depending on the intended application, but often involve precise control of ingredient ratios, particle sizes, and material properties to ensure consistent quality and performance.

Production inputs

The main inputs required for the 3810 industry include a variety of raw materials, such as acids, salts, metals, and organic compounds. Manufacturers also rely on specialized machinery and equipment, including mixing tanks, mills, and packaging systems, to facilitate the production and processing of these metal-related preparations. Additionally, skilled labor and technical expertise are essential for formulating, testing, and quality control of the final products.

Production outputs

The 3810 industry produces a diverse range of metal-related preparations, including pickling preparations, fluxes for soldering and brazing, welding powders and pastes, and coatings for welding electrodes and rods. These outputs are primarily consumed by industries such as 7217 Bars and rods, hot-rolled, in irregularly wound coils, of iron or non-alloy steel, 7304 Tubes, pipes and hollow profiles, seamless, of iron or steel, and 8311 Wire, rods, tubes, plates, electrodes, coated or cored with flux material, for soldering, brazing, welding or deposition of metal or of metal carbides; wire and rods, of agglomerated base metal powder, for metal spraying.

Family tree for metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods

    graph LR
    A["<a href='/classifications/hs/v2022/38'>38: Chemical products n.e.c.</a>"]
A --> B["<a href='/classifications/hs/v2022/3810'>3810: Metal-pickling preparations; fluxes etc for soldering, brazing; welding powders, pastes of metal and other materials; preparations used as cores or coatings for welding electrodes or rods</a>"]

    A --> C["<a href='/classifications/hs/v2022/3801'>3801: Artificial graphite; colloidal or semi-colloidal graphite; preparations based on graphite or other carbon in the form of pastes, blocks, plates or other semi-manufactures</a>"]
A --> D["<a href='/classifications/hs/v2022/3802'>3802: Activated carbon; activated natural mineral products; animal black, including spent animal black</a>"]
A --> E["<a href='/classifications/hs/v2022/3803'>3803: Tall oil, whether or not refined</a>"]
A --> F["<a href='/classifications/hs/v2022/3804'>3804: Residual lyes from the manufacture of wood pulp, whether or not concentrated, desugared or chemically treated, including lignin sulphonates, but excluding tall oil of heading no. 3803</a>"]
A --> G["<a href='/classifications/hs/v2022/3805'>3805: Gum, wood or sulphate turpentine, other terpenic oils; crude dipentene; sulphite turpentine, other crude para-cymene; pine oil containing alpha-terpineol as the main constituent</a>"]
A --> H["<a href='/classifications/hs/v2022/3806'>3806: Rosin and resin acids and derivatives thereof; rosin spirit and rosin oils; run gums</a>"]
A --> I["<a href='/classifications/hs/v2022/3807'>3807: Wood tar; wood tar oils; wood creosote; wood naphtha; vegetable pitch; brewers' pitch and similar preparations based on rosin, resin acids or on vegetable pitch</a>"]
A --> J["<a href='/classifications/hs/v2022/3808'>3808: Insecticides, rodenticides, fungicides, herbicides, anti-sprouting products, plant growth regulators, disinfectants and the like, put up in forms or packings for retail sale or as preparations or articles</a>"]
A --> K["<a href='/classifications/hs/v2022/3809'>3809: Finishing agents, dye carriers to accelerate the dyeing, fixing of dyestuffs, other products and preparations, of a kind used in the textile, paper, leather or like industries, n.e.c. or included</a>"]
A --> L["<a href='/classifications/hs/v2022/3811'>3811: Anti-knock preparations, oxidation and gum inhibitors, viscosity improvers, anti-corrosive preparations and the like, for mineral oils (including gasoline) or other liquids used for the same purposes</a>"]
A --> M["<a href='/classifications/hs/v2022/3812'>3812: Prepared rubber accelerators; compound plasticisers for rubber or plastics, n.e.c. or included; anti-oxidising preparations and other compound stabilisers for rubber or plastics</a>"]
A --> N["<a href='/classifications/hs/v2022/3813'>3813: Preparations and charges for fire extinguishers; charged fire-extinguishing grenades</a>"]
A --> O["<a href='/classifications/hs/v2022/3814'>3814: Organic composite solvents and thinners, not elsewhere specified or included; prepared paint or varnish removers</a>"]
A --> P["<a href='/classifications/hs/v2022/3815'>3815: Reaction initiators, reaction accelerators and catalytic preparations n.e.c. or included</a>"]
A --> Q["<a href='/classifications/hs/v2022/3816'>3816: Refractory cements, mortars, concretes and similar compositions, including dolomite ramming mix, other than products of heading 38.01</a>"]
A --> R["<a href='/classifications/hs/v2022/3817'>3817: Mixed alkylbenzenes and mixed alkylnaphthalenes, other than those of heading no. 2707 or 2902</a>"]
A --> S["<a href='/classifications/hs/v2022/3818'>3818: Chemical elements doped for use in electronics, in the form of discs, wafers or similar forms; chemical compounds doped for use in electronics</a>"]
A --> T["<a href='/classifications/hs/v2022/3819'>3819: Hydraulic brake fluids and other prepared liquids for hydraulic transmission, not containing or containing less than 70% by weight of petroleum oils or oils obtained from bituminous minerals</a>"]
A --> U["<a href='/classifications/hs/v2022/3820'>3820: Anti-freezing preparations and prepared de-icing fluids</a>"]
A --> V["<a href='/classifications/hs/v2022/3821'>3821: Prepared culture media for the development or maintenance of micro-organisms (including viruses and the like) or of plant, human or animal cells</a>"]
A --> W["<a href='/classifications/hs/v2022/3822'>3822: Reagents; diagnostic or laboratory reagents on a backing, prepared diagnostic or laboratory reagents whether or not on a backing, whether or not put up in the form of kits, other than those of heading 30.06; certified reference materials</a>"]
A --> X["<a href='/classifications/hs/v2022/3823'>3823: Industrial monocarboxylic fatty acids; acid oils from refining; industrial fatty alcohols</a>"]
A --> Y["<a href='/classifications/hs/v2022/3824'>3824: Prepared binders for foundry moulds or cores; chemical products and preparations of the chemical or allied industries (including those consisting of mixtures of natural products), not elsewhere specified or included</a>"]
A --> Z["<a href='/classifications/hs/v2022/3825'>3825: Residual products of the chemical or allied industries, not elsewhere specified or included; municipal waste; sewage sludge; other residual products.</a>"]
A --> BA["<a href='/classifications/hs/v2022/3826'>3826: Biodiesel and mixtures thereof; not containing or containing less than 70% by weight of petroleum oils or oils obtained from bituminous minerals</a>"]
A --> BB["<a href='/classifications/hs/v2022/3827'>3827: Mixtures containing halogenated derivatives of methane, ethane or propane, not elsewhere specified or included</a>"]

    B --> BC["<a href='/classifications/hs/v2022/381010'>381010: Pickling preparations for metal surfaces; soldering, brazing or welding powders and pastes consisting of metal and other materials</a>"]
B --> BD["<a href='/classifications/hs/v2022/381090'>381090: Fluxes and other auxiliary preparations; for soldering, brazing or welding, or preparations used as cores or coatings for welding electrodes or rods</a>"]


    %% Color coordination by level

    classDef level1 color:#000,fill:#a8f9ff,stroke:#333,stroke-width:2px
    classDef level2 color:#000,fill:#e0a458,stroke:#333,stroke-width:1px
    classDef level3 color:#000,fill:#419d78,stroke:#333,stroke-width:1px
    classDef level4 color:#000,fill:#c04abc,stroke:#333,stroke-width:1px
    classDef level5 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef level6 color:#000,fill:#f1c40f,stroke:#333,stroke-width:1px
    classDef highlight color:#000,fill:#fff,stroke:#000,stroke-width:5px



  %% Apply classes
  class A level2
class B level4
class C level4
class D level4
class E level4
class F level4
class G level4
class H level4
class I level4
class J level4
class K level4
class L level4
class M level4
class N level4
class O level4
class P level4
class Q level4
class R level4
class S level4
class T level4
class U level4
class V level4
class W level4
class X level4
class Y level4
class Z level4
class BA level4
class BB level4
class BC level6
class BD level6

  class B highlight

  %% class A level1
  %% class B,C level2
  %% class D,E,F,G,H,I level2
  %% class J,K,L,M,N,O,P level3
  %% class B highlight