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MRP Scrap

Home ProductsMRP Scrap

MRP Scrap is a conglomeration of iron and steel scrap recovered during the processing of steel making slag. MRP scrap from the Industrial By-Product Management Division (IBMD) of Tata Steel as an integral raw material for secondary steel manufacturing, is available in various sizes and grades ranging from 3mm to 300 mm for Processed MRP Scrap and +300mm for Unprocessed MRP Scrap conforming to the highest quality standards.

MRP Scrap can be utilized as a replacement of Sponge Iron/ Scrap in secondary steel making and can be used in different types of furnaces including IFs, EAFs, BOFs.

The typical specifications of MRP Scrap (20-80 mm) are:

Chemical Analysis of 20-80 mm of Steel Scrap
Fe % CaO % SiO2 % P % MgO % MnO % C % S %
60-65 10-12 2.5-5 0.1-0.3 2.5-6 1.5-3 0.2-0.8 0.05-0.1

ADVANTAGES

MRP Scrap usage as a raw material in secondary steel manufacturing has the following advantages -

  • Cost Savings
  • Better quality
  • Consistent availability

HOW IS MRP SCRAP MANUFACTURED?

MRP scrap, a raw material for secondary steel manufacturing is generated during the processing (crushing, screening and magnetic separation) of Steel making slag.

APPLICATIONS

MRP Scrap has proven to be an essential raw material for secondary steel manufacturers to produce Ingots, Billets and TMT Rebars.

  • At first, Pig iron or Pooled Iron is charged into the furnace, following which a hot metal bath is created.
  • Then the sponge iron is charged. While charging the sponge iron, MRP Scrap is also charged which serves as an additive element. In simpler terms, MRP Scrap serves as a replacement for Sponge Iron in the charge-mix as the Metallic Fe % is higher (~ 50-60% depending on the SKU considered) and is purer than Sponge Iron, in most cases.

MRP Scrap can be charged in the following ways -

  • Cast Iron (high C) generally in the form of Ferroshots, Pig Iron or Pooled Iron is firstly charged into the furnace, following which a hot metal bath is created.
  • Subsequently, sponge iron is charged. While charging sponge iron, MRP Scrap is also added as a complementary ingredient and hence serves as a key raw material for secondary steel making.
  • The proportion of MRP scrap as a complementary but important raw material for secondary steel in the charge mix depends on the commercial viability of its different SKUs when benchmarked with sponge iron /scrap.
  • Prior to charging, MRP scrap can further be purified through additional screening, drumming and wet milling which would increase the Met Fe percentage and increase its commercial viability for use in furnaces.
 
Ingots
Rebars
Billets
 
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