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铸钢球 buy in Jinan
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铸钢球

铸钢球

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Description
铸造磨球的化学成分和力学性能(GB/T17445-1999)
型号号 化学成分(%) 表面硬度HRC 落球冲击疲劳寿命(次数)
C Si Mn Cr Mo Cu Ni P S 淬火态(A) 非淬火态(B)
高铬铸铁磨球 ZQCr26 2.0~2.8 ≤1.0 0.5~1.5 22~28 ≤1.0 ≤2.0 ≤1.5 ≤0.10 ≤0.06 ≥56 ≥45 ≥8000
高铬铸铁磨球 ZQCr20 2.0~2.8 ≤1.0 0.5~1.5 18~22 ≤2.5 ≤1.2 ≤1.5 ≤0.10 ≤0.06 ≥56 ≥45 ≥8000
高铬铸铁磨球 ZQCr15 2.0~3.0 ≤1.0 0.5~1.5 13~17 ≤3.0 ≤1.0 ≤1.5 ≤0.10 ≤0.06 ≥56 ≥49 ≥8000
中铬铸铁磨球 ZQCr8 2.1~3.2 0.5~2.2 0.5~1.5 7~10 ≤1.0 ≤0.8 ≤1.5 ≤0.10 ≤0.06 ≥48 ≥8000
低铬铸铁磨球 ZQCr2 2.2~3.6 ≤1.2 0.5~1.5 1.5~3.0 ≤1.0 ≤0.8 ≤0.10 ≤0.10 ≥45 ≥8000
贝氏体球墨铸铁磨球 ZQSi3 3.2~3.8 2.0~3.5 2.0~3.0 ≤0.10 ≤0.03 ≥50 ≥8000
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