Cradle to Consumer
Identity ID
99ef93a7-e69b-4cdf-a02c-ac73c4e83485
Materials
Associated ID
bd9efbdf-58c8-4d4a-b8c8-45934f6b8246
Included activities starts
Included activities ends
Description
This is a market dataset representing the consumption market in the region. It includes transportation of the product from the factory gate to consumption, with transport services calculated according to the regional transportation conditions for the product.
Activity Description
The production process of hot-rolled bars includes stages such as billet preheating, rolling, and finishing, covering energy consumption, material consumption, waste treatment, and environmental emissions during the production process.
Process Description
Hot-rolled bar stock is a long steel product manufactured through a hot-rolling process, possessing good strength and toughness, capable of withstanding high tensile and compressive loads. It can be further processed into products such as threaded steel, steel wire, and rebar. Bearing steel hot-rolled bar is a type of steel specifically designed for high-performance bearing manufacturing, processed into round bar form via hot rolling. This material is typically made from high-carbon chromium steel, the main composition being high-carbon chromium steel, generally containing carbon (0.95% to 1.1%) and chromium (1.3% to 1.5%). 65%), along with small amounts of manganese, silicon, phosphorus, and sulfur. Hot-rolled bearing steel bars are primarily used in the production of various precision bearings, such as ball bearings, roller bearings, and needle bearings. They are widely applied in automotive, mechanical engineering, railway, aerospace, and heavy industry sectors.
Time period
2021
2026
Geography
China,Heilongjiang
Macroeconomic value
Business-as-Usual
Data validation
Yes
Technology
Current Technology
Technology comment
Bar hot rolling production process is an efficient metal forming method used to transform billets from converter smelting into bars with specific cross-sectional shapes and dimensions. The billets are heated in a reheating furnace to the required rolling temperature, typically between 1000°C and 1250°C. After heating, the billets go through roughing, intermediate rolling, and finishing rolling to achieve the final dimensions and shape.