ZHANGQIU GUDAO STEEL BALL CO., LTD
Forged&casting cylperbs
Classification :
Keywords: Grinding Rod,Forged&Casting Cylperbs,Forged Steel Ball,Casting Steel Ball
PRODUCT DETAILS
1.Sizes (mm)
|
Φ8×8 |
Φ8×10 |
Φ10×10 |
Φ10×12 |
Φ12×12 |
Φ12×14 |
Φ14×14 |
|
Φ14×16 |
Φ16×16 |
Φ16×18 |
Φ18×20 |
Φ20×25 |
Φ25×30 |
Φ30×35 |
|
Φ35×40 |
Φ40×45 |
Φ45×50 |
Φ50×55 |
Φ55×60 |
Φ60×70 |
Φ60×80 |
2.Chemical composition (%)
|
Cr |
C |
Si |
Mn |
P |
S |
Mo |
Microstructure |
|
1.5-3.0 |
2.2-3.5 |
≤1.2 |
0.5-1.5 |
≤0.070 |
≤0.060 |
≤0.25 |
P+C |
|
5.0-9.0 |
2.2-3.2 |
≤1.2 |
0.5-1.5 |
≤0.070 |
≤0.060 |
≤0.25 |
P+C |
|
10-13 |
2.2-3.2 |
≤1.0 |
0.5-2.0 |
≤0.070 |
≤0.060 |
≤0.25 |
M+C |
|
14-16 |
2.2-3.0 |
≤1.0 |
0.5-2.0 |
≤0.070 |
≤0.060 |
≤0.25 |
M+C |
|
17-22 |
2.0-2.8 |
≤1.0 |
0.5-2.0 |
≤0.070 |
≤0.060 |
≤0.25 |
M+C |
|
23-30 |
2.0-2.8 |
≤1.0 |
0.5-2.0 |
≤0.070 |
≤0.060 |
≤0.25 |
M+C |
3.Mechanical Property
|
Cr content |
Impact toughness AK·J/cm² |
Dropping test （SM） |
Hardness(HRC) |
|||
|
|
|
|
Φ25-60 |
Φ70-120 |
||
|
|
|
|
Surface |
Core |
Surface |
Core |
|
1.5-3.0 |
≥2 |
≥10000 |
≥50 |
≥48 |
≥48 |
≥46 |
|
5.0-9.0 |
≥3 |
≥10000 |
≥52 |
≥50 |
≥50 |
≥48 |
|
10-13 |
≥3 |
≥10000 |
≥60 |
≥58 |
≥60 |
≥57 |
|
14-16 |
≥4 |
≥10000 |
≥60 |
≥58 |
≥60 |
≥58 |
|
17-22 |
≥4 |
≥10000 |
≥60 |
≥58 |
≥60 |
≥58 |
|
23-30 |
≥4 |
≥10000 |
≥60 |
≥58 |
≥60 |
≥58 |
4.Product performance: High hardness, Unbreakable, Good wear-resistance, Low consumption rate.
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