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NI HARD CASTINGS

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Information

  • We offer our client an excellent quality range of Ni-Hard Castings, which are manufactured from high grade quality raw materials. These Ni-Hard Castings can be customized as per our valued customers specifications. These Ni-Hard Castings are widely known for its durability and quality. We manufacture all types of Ni-Hard Casting Grade 1, 2 & 4.
  • Ni-Hard is the generic name for a family of white cast irons alloyed with nickel and chromium to give high hardness and outstanding resistance to abrasion.
  • Ni-Hard is an extremely wear resistant material and in cast form is ideal for use with abrasive products, giving a much more extended life when compared with cast iron or mild steel when incorporated in pneumatic conveying systems.
  • Nickel content increases with section size or cooling time of the casting to inhibit pearlitic transformation. For castings of 38 mm to 50 mm thick, 3.4% to 4.2% Ni is sufficient to suppress pearlite formation upon mold cooling. Heavier sections may require nickel levels up to 5.5% to avoid the formation of pearlite. It is important to limit nickel content to the level needed for control of pearlite; excess nickel increases the amount of retained austenite and lowers hardness.

There are two distinct groups of Ni-Hard compositions

A typical chemical analysis of this material:

  • The medium alloyed Ni-Hard 1 and Ni-Hard 2.
  • Ni-Hard 4.

These alloys are standardized in almost all industrialized nations under various designations.


TYPICAL APPLICATIONS

  • Ni Hard types 1 and 2

    • Metal-Working Rolls
    • Grinding Mill Liners
    • Slurry Pump Parts
    • Grinding Media
  • Ni Hard Type 4

    • Slurry Pump Parts
    • Impact Blow Bars

Manufacturing Capacity

  • From 5 kgs. to 100kgs. Single PC.

Technical Information (Click on below title to view technical specifications.)

COMPOSITION & HARDNESS

Composition, per cent Brinell Hardness
C Si Mn Ni Cr S P Mo Spec. Typical
Ni Hard type 1 3.20 0.30 0.20 3.00 1.50 0.12 0.15 0.50 550 600
(AS2027 Gr Ni Cr 1-550) 3.60 0.80 0.80 5.00 3.00 max. max. max. min.
Ni Hard type 2 2.80 0.30 0.20 3.00 1.50 0.12 0.15 0.50 500 550
(AS2027 Gr Ni Cr 2-500) 3.20 0.80 0.80 5.00 3.00 max. max. max. min.
Ni Hard type 4 3.20 1.50 0.20 4.00 8.00 0.12 0.15 0.50 630 670
(AS2027 Gr Ni Cr 4-630) 3.60 2.20 0.80 5.50 10.00 max. max. max. min.

Clients

With the help of our quality policy the company has few of the reputed client's to our credit with areas under.

Testimonials

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HMC

Plot No. 412 & 435, Road No. 12, Gopal Charan Industrial Hub, Nr. Ahmedabad – Indore Highway , Bakrol – Bujrang, Tal. Daskori, Dist. Ahmedabad – 382430 (GUJRAT) India.

Hariom Metal Cast

L–146, G.I.D.C. Estate, Nr. Water tank, Odhav, Ahmedabad–382415