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Bimetallic white iron wear parts are unique wear resistant materials in that they combine very high wear resistant qualities of a high white iron (ASTM A532 15/3CrMo, 700BHN-63HRC) with a weldable & high impact toughness mild steel through vacuum brazing to create a product that is exceptionally resistant to impact and abrasion while retaining.

We have Toolings/Patterns to produce above 400 kinds of shapes and sizes.


A. Typical designs---the most common ones are:

Chocky barsWear buttons & donutsStandard wear barsWear plates
Shaped wear barsSkid barsWafer stripsRoll bars
Grid barsKnife edgesShredder/Grinder hammer tipsMicrolegdes
Elbow wear blocksRockbox linersGrizzly bars


B. Technical Data

  Hardness: 63HRC/700BHN

  Shearing strength: 250Mpa.

  Tensile strength: 630Mpa Min.


C. Chemical composition of chrome white iron


C

Cr

Mo

Cu

Si

Other

2.5-3.5

15-18

1.5-3.2

0.5-1.0

0.5-1.0

Balance


D. Microstructure

Carbide + Martensite + Retained Austenite. 

The VFC is about 32%-42%.

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