Semi-Finished Steel (SEMIS)

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Semi-Finished Steel (SEMIS)

Semi-Finished Steel (SEMIS)

Steel Semis in their various forms are available direct from the foundry. It needs further processing before being processed into finished goods.

Semi-finished steel products are available in various sizes, grades and forms to meet the diverse requirements of various industries. It is used in iron & steel rolling mills for production of finished products.

Semi-finished Steel & how it is produced

BLOOMS: A Semi-finished product, usually in square (at times in rectangular) section of cross sectional size exceeding 5”x5” (125mm X 125mm). In some of the modern mills, the term bloom is used to cover such products of cross sectional size exceeding 8”x8”. These are inputs for producing Heavy sections and Sheet piling section normally by hot rolling. At times, like in VSP, blooms are used to produce billets by hot rolling in the Billet Mill.
BILLETS: A semi-finished product which are similar to blooms but of smaller cross sectional size (usually less than or 5”x5”/7”x7”. These are used as input material for production of Finished Steel long products viz. bars & rods, light sections etc.
SLABS: A semi-finished Rectangular, wide, semi-finished steel product intended for production of finished Hot Rolled Flat products viz. Plates, sheets, Strips etc. They are normally of width 150-250mm wherein width is at-least 3 or 4 times of thickness.
THIN SLABS : In modern thin slab casting machine, liquid steel is continuously cast into much thinner slabs of 35-50mm directly which are used for production of Finished Hot Rolled Flat products upon heating on-line.

Application

Serve as raw material for Rolling mills

Production of other long steel products such as bars & rods, light sections etc.

Available Sizes

Sizes Available

Billets : 100×100,130×130,150×150,200×200

Slabs : 200-380 mm x 1050-2500 mm (Width)

Length Available

Billets : 4000 – 12000 mm

Slabs : 6000 – 10500 mm

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Available Grades

S235JR
S275JR
GOST 380-94 3SP/PS, 5SP/PS
SAE 1006
SAE 1008
SAE 1010
SAE 1012
SAE 1015