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Product Details:
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| Place of Origin: | CHINA |
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| Brand Name: | JN |
| Certification: | SGS |
| Model Number: | 20mm-150mm |
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Payment & Shipping Terms:
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| Minimum Order Quantity: | 500kg |
| Price: | Negotiable |
| Packaging Details: | Ploy bag+25kg carton box+1000kg wooden box |
| Delivery Time: | 7-15 days |
| Payment Terms: | L/C, D/A, D/P, T/T, Western Union, MoneyGram,Paypal |
| Supply Ability: | 500TONS PER MONTH |
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Detail Information |
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| Product Name: | Grinding Steel Balls | Breakage Rate: | ≤1% |
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| Microstructure: | M+C | Hardness: | HRC60-65 |
| Heat Treatment: | Quenching Tempering | Warranty: | 1 Year |
| High Light: | steel balls for ball mill,forged grinding balls |
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Product Description
20mm-150mm Ball Mill Forged Steel Balls Grinding Media Balls For Mill Or Cement
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Product Name
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Grinding Media Balls
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Material
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steel
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Hardness
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HRC 60-65
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Breakage Rate
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<1%
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Loss roundness rate
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<1%
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Impact toughness
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>12AK.j/cm^2
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Microstructure
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M+C
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Heat treatment
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quenching/tempering
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Used
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Industries of cement building material, metallurgical selection in mine, grinding coal
in power plant, chemical industry and machinery, etc. |
Specifications of our grinding balls as follows:
| PRODUCTS |
SURFACE HARDNESS |
CORE HARDNESS |
CHEMICAL COMPOSITION |
| 1) 60Mn Forged grinding ball | HRC58-65 | ≥HRC45 |
C: 0.52-0.65; Si: 0.15-0.37; Mn: 0.6-1.2; S & P: 0.04Max; Cr: 0.25Max |
| 2) B2 Forged grinding ball | HRC60-68 | ≥HRC55 |
C: 0.75-0.90; Si:0.17-0.37; Mn:0.7-0.9; P: 0.035 MAX; S: 0.035MAX; Cr:0.40-0.70. |
| 3) B3 Forged grinding ball | HRC60-68 | ≥HRC55 |
C:0.55-0.65; Si:0.2-0.37; Mn:0.75-0.9; Cr:0.85-1.2;S/P≤0.03; |
| 4) B4 Forged grinding ball | HRC60-68 | ≥HRC58 | C:0.58-0.66; Si:1.6-1.9; Mn:0.65-0.80; Cr:0.7-0.9; S/P≤0.03; |
| 5) High chrome cast grinding ball | HRC60-65 | ≥HRC58 |
Cr:11-27; C: 2.0-3.0; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
| 6) Low chrome cast grinding ball | HRC48-55 | ≥HRC46 |
Cr:1-3; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
| 7) Medium chrome cast grinding ball | HRC55-63 | ≥HRC55 |
Cr:4-10; C: 2.2-3.6; Si:1.0Max; Mn: 0.5-1.5; S & P:0.10Max; |
Diameter, Diametrical tolerance, Weight, Impact toughness of our grinding balls
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Nominal diameter (mm) |
Diametrical tolerance (mm) |
Weight of Single of grinding ball in average |
Number of piece of One ton grinding ball in average |
Impact toughness |
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DIA 20MM DIA 25 MM DIA 30 MM DIA 40 MM DIA 50 MM |
+2 -1 |
32 64 110 263 513 |
31250 15625 9090 3802 1949 |
≥12 |
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DIA 60 MM DIA 70 MM DIA 80 MM DIA 90 MM DIA 100 MM |
+3 -2 |
888 1410 2104 2996 4110
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1126 709 475 333 243 |
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DIA 110 MM DIA 120MM DIA 130 MM |
+4 -2 |
5457 7102 9030 |
182 140 110 |
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DIA 140 MM DIA 150 MM |
+4 -3 |
11278 13871 |
88 72 |
Enter Your Message
| Shandong JinNai International Trade Co., Ltd. |
| XUESHAN ROAD,LICHENG DISTRICT ,JINAN CITY ,SHANDONG ,CHINA |
| 86-159-10105035 |
| alice@stainless-steelballs.com |
