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耐磨钢球

锻造耐磨钢球

规格 表面 中心

DIA 40-60 mm HRC60-64 HRC59-63
DIA 70-80 mm HRC60-64 HRC58-62
DIA 90-100 mm HRC60-64 HRC57-61
DIA 110-140 mm HRC55-60 HRC52-58
铸造耐磨钢球

名称 牌号 表面硬度 落球冲击疲劳寿命(次数)
淬火态 非淬火态

高铬铸铁磨球 ZQCr26 ≥56 ≥45 ≥8000
高铬铸铁磨球 ZQCr20 ≥56 ≥45 ≥8000
高铬铸铁磨球 ZQCr15 ≥56 ≥49 ≥8000
中铬铸铁磨球 ZQCr8 - ≥48 ≥8000
低铬铸铁磨球 ZQCr2 - ≥45 ≥8000
贝氏体球墨铸铁磨球 ZQSi3 ≥50 - ≥8000

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