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Manufacturing the full supply chain from alloy design to manufacturing and developing a wide range of flux cored welding wires suitable for submerged arc welding and open arc welding of continuous casting rolls to implementing welding procedures, automatic weld-overlay cladding, machining and post weld heat treatment of rolls enable Aliaj Joosh to be able to provide a complete package to OEMs, end users and customers.
Specific solutions from introducing super austenitic stainless steel material designed for foot rolls and top zone rolls which displays outstanding performance compared to conventional martensitic stainless steels and customised precipitation hardened martensitic stainless steel designed for the bender and straightening sections are the best practice of our dedication to our customers commitment.
Our advanced and improved flux cored welding wires and roll refurbishment solutions offer;
High temperature oxidation and corrosion resistance
Microstructurally stable at high temperatures
Good weldability
Maximum tempering resistance
Reduced maintenance cost
Good metal-to-metal wear resistance
Our capability is not limited to only welding and metallurgy and surface engineering. However, Aliaj Joosh team has a well capable and trained dedicated engineers and technicians to supply complete maintenance service package to continuous casting segments together with total package of segment installations.
The contact between the continuous casting roll surfaces and the slab is very complicated as few failure mechanisms tend to operate at the same time. The rolls often show premature corrosion marks according to inadequate welding materials or improper welding techniques. Rolls lifetime can also be less than satisfactory if the roll surfaces wear out and the required roll gap is no longer maintained. Aliaj Joosh delivers improved service life of the continuous casting rolls by:
Understanding the continuous casting service conditions
Determining the failure mechanisms
Selecting the most suitable alloys
Establishing welding procedures to weld-overlay the rolls and achieve the most desirable microstructure
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