Understanding Iron and Steel Production Results

Introduction

The yield of yield is an important issue for steel producers, as the weak yields can have an adverse effect on both steel production and production costs. In this article, the author discusses the topic of crop loss and provides details.

What is the loss of fruit?

In any part of the iron and steel manufacturing process there is a loss of yield, the weight of the steel product is less than the input of the steel used. For example, in a cold roller, when feed – often the so-called charge mass – is 100 tons hot hot rolled coil and 95 tons of cold rolled steel is 95%. Another way of expressing the yield factor is, per tonne per tonne – in this case 100 divided by 95 or 1.053. Typical yield loss values:

• for the production of hot rolled steel rolls (hot rolled coils) by 3,5%
• in spindle (billet-bar) by 5%
• .

Why is loss of fruit?

Losses in yields arise for various reasons

• For example, during a rolling procedure, the steel bar may come from its normal rolling path and often travel at speeds adjacent to the rolling stock. This steel sheet length can not continue to roll; it should be recycled as waste, thus reducing the yield performance of that rolling shutter
• The scale is often formed on a hot plate while it cools down. This balance is later removed from the surface when the sheet is prepared for a subsequent process step.
• When steel coils are produced, the wind often slices to the final product resulting in a small loss of yield
• When billet or plate drum, the end is often cut off. Irregularities during the casting process have often been removed

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All of the above examples reduce the final weight of the steel product relative to the original fill weight of the steel

Why is loss of production important?

Losses of yield are important for many reasons.

• First, it is important to understand the yields in order to be able to predict the production of a mill. For example, a mini-millet of a million tonnes of raw steel can produce 850,000 tonnes of finished steel only if the cumulative yield from casting, hot rolling and cold rolling of castings is reduced to 15%.
• Second, yields are a particularly important aspect of cost. This is because while stainless steel is generally recyclable, the labor and energy costs associated with the processing of lost steel quantities are lost; and the added value (final selling price) is unavailable. For some processes, the cost of loss of profit can indeed exceed other elements of conversion costs (for example, the cost of consumables, electricity, or other utilities). Handling yield performance therefore plays an important role in cost control of the whole steel mill

Understanding Your Own Return Performance

Understanding the yield of a given steel mill is a common way to compare your recent yield performance with similar crops. These plants are typically competitors, and are often found in different countries. Technical visit of mills, however, is quite common in the steel industry; and they are specifically doing so for learning to benefit industry

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