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Model No. : | XNFZQ006 |
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Brand Name : | Xin Nanfang |
Product description
Items | Brand | Chemical composition(%) | ||||||||
C | Si | Mn | Cr | Mo | Cu | Ni | P | S | ||
Extra high chrome casting alloyed ball | ZQCr20 | 2.0~3.0 | ≤1.0 | 0.5~1.5 | 18~22 | 0~2.5 | 0~1.2 | 0~1.5 | ≤0.10 | ≤0.10 |
High chrome casting alloyed ball | ZQCr15 | 2.0~3.0 | ≤1.0 | 0.5~1.5 | 12~17 | 0~3.0 | 0~1.0 | 0~1.5 | ≤0.10 | ≤0.10 |
High chrome casting alloyed ball | ZQCr13 | 2.0~3.0 | ≤1.0 | 0.5~1.5 | 11~14 | 0~1.0 | 0~2.0 | 0~1.5 | ≤0.10 | ≤0.10 |
Middle chrome casting alloyed ball | ZQCr7 | 2.1~3.2 | 0.5~2.2 | 0.5~1.5 | 6~10 | 0~1.0 | 0~0.8 | 0~1.5 | ≤0.10 | ≤0.10 |
Low chrome casting alloyed ball | ZQCr2 | 2.2~3.6 | ≤1.2 | 0.5~1.5 | 1.0~3.0 | 0~1.0 | 0~0.8 | —— | ≤0.10 | ≤0.10 |
Bainite ductile casting alloyed ball | ZQSi3 | 3.2~3.8 | 2.0~3.5 | 2.0~3.0 | —— | —— | —— | —— | ≤0.10 | ≤0.03 |
Items | Brand | Surface hardness(HRC) | Endurance impact test(Times) | |
Quenched | Unquenched | |||
Extra high chrome casting alloyed ball | ZQCr20 | ≥63 | ≥45 | ≥8000 |
High chrome casting alloyed ball | ZQCr15 | ≥63 | ≥45 | ≥8000 |
High chrome casting alloyed ball | ZQCr13 | ≥63 | ≥49 | ≥8000 |
Middle chrome casting alloyed ball | ZQCr7 | — | ≥48 | ≥8000 |
Low chrome casting alloyed ball | ZQCr2 | — | ≥45 | ≥8000 |
Bainite ductile casting alloyed ball | ZQSi3 | ≥50 | — | ≥8000 |
Items | SIZES | |||||||||||||
¢17 | ¢20 | ¢25 | ¢30 | ¢40 | ¢50 | ¢60 | ¢70 | ¢80 | ¢90 | ¢100 | ¢110 | ¢120 | ¢130 | |
Tolerance | +1.0 -1.0 | +2.0 -1.0 | +3.0 -1.0 | +3.5 -1.5 | ||||||||||
Difference between max diameter and min diameter | ≤1.0 | ≤2.0 | ≤3.0 | ≤4.0 |
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