中建材宁国新马耐磨材料有限公司 网址: ahcafx.com

磨球系列

低铬钢球

文字:[大][中][小] 2015/9/15    浏览次数:723    

低铬钢球


Model ZQCr
Name Low chromium alloy casting ball (also called: low chromium ball)
Performance Parameters
Chemical Composition

Low chromium casting iron grinding ball
Mark
Chemical Composition (%)
C
Si
Mn
Cr
S
P
Mo
ZQCr
2.0-3.5
≤1.2
≤1.5
0.5-1.5
≤0.25
≤0.15
Trace
 
Mechanical  Performance and Metallographic Structure
Low chromium casting iron grinding ball
 
Mark

Surface hardness
(HRC)
Impact value
(J/cm2)
Metallographic Structure
Falling ball Impact fatigue life
ZQCr
≥45
≥1.6
P+C
>5000

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