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Amreli Steels awards final acceptance certificate for a bar mill to Primetals

Author: Editorial Office

Amreli Steels awards final acceptance certificate for a bar mill to Primetals
Four-slit rolling at the new bar mill of Amreli Steels, Pakistan. Photo: Primetals Technologies

27.04.2021. In February, Amreli Steels Ltd., a rebar steel producer based in Karachi, Pakistan, has awarded the final acceptance certificate for a bar mill to Primetals Technologies. The rolling mill is designed to produce around 400,000 t/a of reinforcing steel and round bars. The new bar mill will triple the production capacity of Amreli Steels which will be put it in an ideal position to meet the demands of increasing construction activity in Pakistan. The finished products will meet national and international standards.

Capacity and scopy of supply

The new bar mill has a capacity of 400,000 t/a. It can roll up to 75 t/h of steel bar at a top rolling speed of 13 m/s. The mill processes billets with a square cross-section of 150 x 150 mm, a length of 12 m, and a weight of 2,080 kg. The finished products are rebars with diameters ranging from 8 to 40 mm. The productivity of the plant is maximised by rolling bars with diameters of between 8 and 10 mm in four-slit mode, and diameters between 12 and 14 mm in two-slit mode.

Primetals designed the plant and supplied the processing equipment starting from the billet discharging system at the reheating furnace. The rolling line consists of a roughing mill with a VHVHVH arrangement, an HVHVHV intermediate mill, and a finishing mill with an HVHHHH arrangement. Each of these mills is equipped with six fifth-generation Red Ring stands. The scope of supply also included hot cropping and emergency shears, a heat-treatment Pomini Quenching System (PQS) installed downstream of the last stand of the finishing mill, a pinch roll and hot dividing shear in front of the cooling bed. This is followed by a cold dividing shear and machines to count, bundle, weigh and label the bars. Primetals also supplied the guides, lubrication and hydraulic systems, basic automation, motors, drives and an uninterruptible power supply. In addition, Primetals will assist the customer with construction and commissioning work.

Amreli Steels

Amreli Steels is the leading producer of rebars in Pakistan, and up to now had a production capacity of 200,000 t/a of rebar. In Pakistan, a large number of infrastructure, residential and commercial construction projects are currently at the planning stage. In order to bridge the demand-side gap of Pakistan´s steel industry, Amreli Steels undertook this expansion project, boosting its production capacity to allow for these developments.


(Source: Primetals Technologies)