Springs and leaves for springs, of iron or steel

HS v2022 Code: 7320

About springs and leaves for springs, of iron or steel

HS code 7320 covers a wide range of springs and leaves for springs made of iron or steel. These components are essential in various industries, from automotive and machinery to furniture and electronics. They play a crucial role in providing the necessary tension, flexibility, and shock absorption required in numerous applications. The global demand for springs and leaves for springs has been steadily increasing, driven by the growth of manufacturing sectors and the need for reliable, high-performance components.

Production process

The production of springs and leaves for springs under HS code 7320 typically involves several key steps. The process often begins with the selection and preparation of raw materials, such as steel alloys, which are then cut, shaped, and heat-treated to achieve the desired properties. Specialized machinery, such as coiling machines and stamping presses, are used to form the springs and leaves, ensuring consistent quality and precision. The final products may undergo additional finishing processes, such as surface treatment or coating, to enhance their durability and appearance.

Production inputs

The main inputs required for the production of springs and leaves for springs under HS code 7320 include steel alloys, which serve as the primary raw material. Manufacturers may also rely on various types of machinery, such as coiling machines, stamping presses, and heat treatment equipment, to shape and process the steel into the desired spring and leaf forms. Additionally, energy sources, such as electricity or natural gas, are necessary to power the production facilities and heat-treatment processes.

Production outputs

The primary outputs of the industry covered by HS code 7320 are a wide range of springs and leaves for springs, which are then consumed by various other industries. These components are used in a variety of applications, including 8407 Spark-ignition reciprocating or rotary internal combustion piston engines, 8408 (Compression-ignition internal combustion piston engines (diesel or semi-diesel engines)), 8409 Parts suitable for use solely or principally with the engines of heading 8407 or 8408, 8413 Pumps for liquids, whether or not fitted with a measuring device; liquid elevators, and 8708 Parts and accessories of the motor vehicles of headings 8701 to 8707.

Family tree for springs and leaves for springs, of iron or steel

    graph LR
    A["<a href='/classifications/hs/v2022/73'>73: Iron or steel articles</a>"]
A --> B["<a href='/classifications/hs/v2022/7320'>7320: Springs and leaves for springs, of iron or steel</a>"]

    A --> C["<a href='/classifications/hs/v2022/7301'>7301: Iron or steel sheet piling, whether or not drilled, punched or made from assembled elements; welded angles, shapes and sections, of iron or steel</a>"]
A --> D["<a href='/classifications/hs/v2022/7302'>7302: Railway or tramway track constructions of iron or steel; rails, check and track rails, switch blades, crossing frogs, point rods, sleepers, fish-plates, chair wedges, sole plates, bedplates, ties and the like</a>"]
A --> E["<a href='/classifications/hs/v2022/7303'>7303: Tubes, pipes and hollow profiles, of cast iron</a>"]
A --> F["<a href='/classifications/hs/v2022/7304'>7304: Tubes, pipes and hollow profiles, seamless, of iron (other than cast iron) or steel</a>"]
A --> G["<a href='/classifications/hs/v2022/7305'>7305: Iron or steel (excluding cast iron); tubes and pipes (e.g. welded, riveted or similarly closed), having circular cross-sections, external diameter of which exceeds 406.4mm, not seamless</a>"]
A --> H["<a href='/classifications/hs/v2022/7306'>7306: Iron or steel (excluding cast iron); tubes, pipes and hollow profiles (not seamless), n.e.c. in chapter 73</a>"]
A --> I["<a href='/classifications/hs/v2022/7307'>7307: Tube or pipe fittings (e.g. couplings, elbows, sleeves), of iron or steel</a>"]
A --> J["<a href='/classifications/hs/v2022/7308'>7308: Structures of iron or steel and parts thereof; plates, rods, angles, shapes, sections, tubes and the like, prepared for use in structures</a>"]
A --> K["<a href='/classifications/hs/v2022/7309'>7309: Reservoirs, tanks, vats and similar containers; for any material (excluding compressed or liquefied gas), of iron or steel, capacity exceeding 300l, whether or not lined or heat insulated</a>"]
A --> L["<a href='/classifications/hs/v2022/7310'>7310: Tanks, casks, drums, cans, boxes and similar containers, for any material (excluding compressed or liquefied gas), of iron or steel, capacity not exceeding 300l, whether or not lined or heat-insulated</a>"]
A --> M["<a href='/classifications/hs/v2022/7311'>7311: Containers for compressed or liquefied gas, of iron or steel</a>"]
A --> N["<a href='/classifications/hs/v2022/7312'>7312: Stranded wire, ropes, cables, plaited bands, slings and the like, of iron or steel, not electrically insulated</a>"]
A --> O["<a href='/classifications/hs/v2022/7313'>7313: Barbed wire of iron or steel; twisted hoop or single flat wire, barbed or not and loosely twisted double wire, of a kind used for fencing, of iron or steel</a>"]
A --> P["<a href='/classifications/hs/v2022/7314'>7314: Cloth (including endless bands), grill, netting and fencing, of iron or steel wire; expanded metal of iron or steel</a>"]
A --> Q["<a href='/classifications/hs/v2022/7315'>7315: Chain and parts thereof, of iron or steel</a>"]
A --> R["<a href='/classifications/hs/v2022/7316'>7316: Anchors, grapnels and parts thereof, of iron or steel</a>"]
A --> S["<a href='/classifications/hs/v2022/7317'>7317: Nails, tacks, drawing pins, corrugated nails, staples (not those of heading no. 8305) and the like, of iron or steel, with heads of other material or not, but excluding articles with heads of copper</a>"]
A --> T["<a href='/classifications/hs/v2022/7318'>7318: Screws, bolts, nuts, coach screws, screw hooks, rivets, cotters, cotter-pins, washers (including spring washers) and similar articles, of iron or steel</a>"]
A --> U["<a href='/classifications/hs/v2022/7319'>7319: Sewing and knitting needles, bodkins, crochet hooks, embroidery stilettos and similar articles, for use in the hand, of iron or steel; safety pins and other pins of iron or steel, not elsewhere specified or included</a>"]
A --> V["<a href='/classifications/hs/v2022/7321'>7321: Stoves, ranges, grates, cookers (those with subsidiary boilers for central heating), barbecues, braziers, gas-rings, plate warmers and similar non-electric domestic appliances and parts, of iron or steel</a>"]
A --> W["<a href='/classifications/hs/v2022/7322'>7322: Radiators for central heating, not electrically heated and parts thereof, of iron or steel; air heaters, hot air distributors not electrically heated, with motor fan or blower</a>"]
A --> X["<a href='/classifications/hs/v2022/7323'>7323: Table, kitchen, other household articles and parts, of iron or steel; iron or steel wool; pot scourers and scouring or polishing pads, gloves and the like, of iron or steel</a>"]
A --> Y["<a href='/classifications/hs/v2022/7324'>7324: Sanitary ware and parts thereof, of iron or steel</a>"]
A --> Z["<a href='/classifications/hs/v2022/7325'>7325: Iron or steel; cast articles</a>"]
A --> BA["<a href='/classifications/hs/v2022/7326'>7326: Iron or steel; articles, n.e.c. in chapter 73</a>"]

    B --> BB["<a href='/classifications/hs/v2022/732010'>732010: Iron or steel; leaf-springs and leaves therefor</a>"]
B --> BC["<a href='/classifications/hs/v2022/732020'>732020: Iron or steel; helical springs and leaves for springs</a>"]
B --> BD["<a href='/classifications/hs/v2022/732090'>732090: Iron or steel; springs n.e.c. in heading no. 7320</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 level6
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