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Improvements via Level 2 System

Level 2 Model Improvement

Steel mill Level 2 system is considered as the nerve system of a steel mill and is usually referred to as the Production Execution System, in which mill Level 2 model contains most of the mill system intelligences.

Most product defects, such as the poor geometry and low properties, are directly or indirectly related to a poor Level 2 model. The center buckle and edge wave, for example, are caused by unequal drafts in the middle and the sides of the plate/strip due to a draft schedule not fit to roll profile. The problem of low mechanical properties is often caused by inaccurate Level 2 model in which the preferred parameters (temperatures, etc.) missed metallurgical targets. See Level 2 Model Performance Issues such as Product Defects and Level 2 Model Error.

Even a slight improvement of a Level 2 model can add significant economic value to the steel mill. See Significance of the Level 2 Model Improvement. For example, 1% reduction in the Level 2 force error may have a value of 1 million US dollar per year! (See Significance of Accurate Level 2 Force Prediction).

Metal Pass Level 2 Model Improvement can significantly increase your system accuracy, by making very few , often only several lines of, source code change, or by simple modification of the Level 2 input data without any source code modification. Improvement can be performed in the modules such as

For more significant improvement, usually by more modifications to the existing system, Metal Pass can perform System Further Development for you. Metallurgical models and other thermal and mechanical models can be integrated into your system, as showed below:

Please see the consulting section Level 2 Model Improvement for details.

 Level 2 Model & New Product Development

This series, Level 2 Model Optimization and New Product Development, include following articles:

1. Technical Summary
2. Micro-Alloy and Model Modification (1)
3. Micro-Alloy and Model Modification (2)
4. A Simple and Efficient Way to Integrate New Models into Level 2
5. Characteristics and advantages of the model and software (1)
6. Characteristics and advantages of the model and software (2)
7. A New-Generation Level 2 and the development of new products
8. Quality management system for new variety of development (1)
9. Quality management system for new variety of development (2)
10. Advantage and History of New-Generation Level 2 System

Development of New Generation Level 2

Development of new generation Level 2
- Improvement of secondary model in medium and heavy plate coil plant of NISCO
- Improvement of Level 2 model of plate coil plant of Evraz Oregon Steel
- Improving the rolling pass schedule of the secondary model to optimize the plate shape and improve the mechanical properties

Development of Level 2 based on Windows

Planning & Consulting

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Contact us: Please scan the figure below to add Wechat (e.g. myQQfriend); Tel: 13400064848 or 13430699003; E-mail BLi68@QQ.com. See Profile of the key consultant.


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