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Low chrome steel ball

release time:1515036737 Click volume:70

  

Low chromium alloy cast balls

Low chromium alloy cast balls are widely used in cement, building materials, metal mining, coal slurry thermal power, chemical engineering, ceramic coating, light industry, papermaking, ultrafine powder preparation of magnetic materials and other industries and further processing.Products high hardness, low wear, good toughness and less broken, in the process of using sphere will further improve the surface hardness, wear resistance, and can improve the grinding machine production capacity, improve cement specific surface area and concentrate recovery rate.And exported to  Australia, the people's republic of Mongolia southeast Asia and Africa.

 

Chemical analysis

 

Low chromium alloy cast balls

Card no.

Chemical analysis

C

Si

Mn

Cr

P

S

Mo

AI

ZQCr

2.0-3.5

≤1.2

≤1.0

0.5-1.5

≤0.15

≤0.20

trace

trace

Cu

Ni

Nb

Ti

Zr

V

B

Mg

trace

trace

trace

trace

trace

trace

trace

trace

 

Mechanical properties and microstructure

 

Low chromium alloy cast balls

Card no.

HRC 

HRC

impact value 

Ak(J/cm2)

The microstructure

Falling ball impact fatigue life

ZQCr

≥45

≥1.6

P+C

5000