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Fundición de bolas de acero
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1.Chemical composition:
|
Item |
Designation |
C |
Si |
Mn |
Cr |
S |
P |
Mo |
|
High-Cr-Ball |
ZQCr20 |
2.0-3.2 |
≤1.0 |
≤1.5 |
19-22 |
≤0.08 |
≤0.06 |
≤1.0 |
|
ZQCr17 |
2.0-3.2 |
≤1.0 |
≤1.5 |
15-18 |
≤0.08 |
≤0.06 |
≤1.0 |
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ZQCr11 |
2.0-3.2 |
≤1.0 |
≤1.5 |
10-13 |
≤0.08 |
≤0.06 |
≤1.0 |
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Low-Cr-Ball |
ZQCr2-6 |
2.0-3.5 |
≤1.0 |
≤1.5 |
1.5-3.5 |
≤0.08 |
≤0.06 |
≤1.0 |
2.Properties & Microstructure
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Item |
Designation |
Hardness(HRC) |
Impact Toughness ak(j/cm 2 ) |
Microstructure |
Service Life (Times of falling) |
Wear Rate |
Breackage |
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Heat treatment |
Cast |
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High-Cr-Ball |
ZQCr20 |
55-65 |
≥50 |
≥4.0 |
M+C |
≥8000 |
≤25 |
≤0.5 |
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ZQCr17 |
55-65 |
≥50 |
≥4.0 |
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ZQCr11 |
55-65 |
≥50 |
≥4.0 |
≤30 |
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Low-Cr-Ball |
ZQCr2-6 |
≥45 |
≥2.5 |
P+C |
≥5000 |
≤1.0 |
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3.Sizes of Casted Balls
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Item |
Sizes |
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Φ17 |
Φ20 |
Φ25 |
Φ30 |
Φ40 |
Φ50 |
Φ60 |
Φ70 |
Φ80 |
Φ90 |
Φ100 |
Φ110 |
Φ120 |
Φ130 |
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Tolerance |
+1.0 |
+2.0 |
+3.0 |
+3.5 |
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-1.0 |
-1.0 |
-1.0 |
-1.5 |
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Difference Between the Max & the Min Dia. |
≤1.0 |
≤2.0 |
≤3.0 |
≤4.0 |
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3.Features: (1) Characteristics: a) High hardness and resistance b) Good even wear c)Low breakrage (2) Applied fields: a) Mines b) Cement plants c) Power stations d) Chemical industry
4.Certificates:
4.Our products:
