Cold drawing of bars
NACE v2.1 Code: C24.31
About cold drawing of bars
NACE code 24.31, 'Cold drawing of bars', represents a crucial segment of the metalworking industry. This process involves the transformation of metal bars, rods, and profiles through a cold-working technique, where the material is drawn through a die to achieve the desired shape and size. The cold drawing process is widely employed across various manufacturing sectors, contributing to the production of a diverse range of components and products that are essential for the functioning of modern economies.
Production process
The cold drawing of bars is a multistep process that begins with the procurement of raw metal stock, typically in the form of hot-rolled bars or coils. These initial materials are then subjected to a series of drawing operations, where they are pulled through a die with a smaller diameter than the original stock. This process results in a reduction in the cross-sectional area of the metal, leading to an increase in its length and a refinement of its surface finish and dimensional accuracy. The cold drawing technique allows for the production of high-precision metal components with tight tolerances, making it a preferred choice for applications requiring enhanced mechanical properties and dimensional stability.
Production inputs
The primary inputs for the cold drawing of bars industry include raw metal stock, such as steel, aluminum, or copper alloys, as well as specialized drawing dies and ancillary equipment. The quality and composition of the raw materials, as well as the precision of the drawing dies, are critical factors in determining the final product characteristics. Additionally, the industry relies on a skilled workforce capable of operating and maintaining the specialized machinery used in the cold drawing process.
Production outputs
The cold drawing of bars industry produces a wide range of metal products, including round bars, square bars, hexagonal bars, and other specialized profiles. These outputs are then consumed by a diverse range of downstream industries, such as 25.11 Manufacture of metal structures and parts of structures, 28.11 Manufacture of engines and turbines, except aircraft, vehicle and cycle engines, and 29.32 Manufacture of other parts and accessories for motor vehicles. The high-quality, precision-engineered bars produced through the cold drawing process are essential components in the manufacturing of various industrial and consumer goods, contributing to the overall efficiency and competitiveness of the broader economy.
Revisions to 24.31
Classification codes are adjusted frequently. The code may have been revised or replaced between system versions. The table below shows the history (newest to oldest) of the code 24.31. The most recent 1 version of this code (24.31) is in the NACE v2.1 system (this version):
This page shows the most recent version of code 24.31.
Older versions
- NACE v2.0:
Family tree for cold drawing of bars
graph LR A["<a href='/classifications/nace/v2-1/C'>C: MANUFACTURING</a>"] A --> B["<a href='/classifications/nace/v2-1/C/24'>24: Manufacture of basic metals</a>"] B --> C["<a href='/classifications/nace/v2-1/C/24/3'>24.3: Manufacture of other products of first processing of steel</a>"] C --> D["<a href='/classifications/nace/v2-1/C/24/31'>24.31: Cold drawing of bars</a>"] C --> E["<a href='/classifications/nace/v2-1/C/24/32'>24.32: Cold rolling of narrow strip</a>"] C --> F["<a href='/classifications/nace/v2-1/C/24/33'>24.33: Cold forming or folding</a>"] C --> G["<a href='/classifications/nace/v2-1/C/24/34'>24.34: Cold drawing of wire</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 level1 class B level2 class C level3 class D level4 class E level4 class F level4 class G level4 class D 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 D highlight