
Cr 16 high chrome cast steel ball for ball mill air quenching:
.Assay before furnace :Temperature control is an important and complex process during cast steel ball production.Different tapping temperature and heat temperature are sensitively reflected in the quality of the products.It is requested to master the proper pouring temperature ,mold temperature ,so that can make sure the products achieve a good state of body tisssue during the transition from Liquid to solid states.
Process features of cast iron balls:
Moulding process---pouing when the molten iron temoerature reaches
1500 C,using the teoperature difference between moletn iron and the
molds.in this way,the ball can achieve internal organization of
grain refinement and be moredense.menanwhile,the carvide is
radially arranged .and such carbide is embedded in the matrix again
during grinding process,forming hatd layer continously,so that the
hardness and toughness is maintained to a reasonable range,greatly
improving the toughness and hardness of the grinding balls.
Specifications of our products as follows:
Type and Chenical Composition of Cast Balls
|
| Chemical Composition | ||||||
C | Si | Mn | S/P | Cr | HRC | |||
Cast ball | special hi-cr | 2.0-3.2 | <1.0 | 0.5-2.0 | <0.06 | >18 | 58-64 | |
higt-cr | 2.0-3.2 | <1.0 | 0.5-1.5 | <0.06 | >10 | 58-62 | ||
| 2.0-3.2 | <1.0 | 0.5-1.5 | <0.06 | ≥5 | 45-48 | ||
| 2.2-3.4 | ≤1.2 | 0.5-1.5 | ≤0.06 | 1.0-1.5 | 42-46 |
Physical property of cast iron balls
Name | Material | Impact test AK.j/cm^2 | Endurance test times | HRC | Breakage |
Cast ball | special hi-cr | ≥4 | ≥10000 | 58-64 | <1% |
higt-cr | ≥3 | ≥10000 | 58-62 | <1% | |
medium-cr | ≥3 | ≥8000 | 45-48 | <1% | |
low-cr | ≥2 | ≥8000 | 42-46 | <1% |
.Electric furnace smelting:All cast steel balls are produced by intermediate frequency electric furance .The purity and stability of materials are effectively esured after unform temerature conditioning and twice hot metal purificati0n.
Package: Steel drums (850kg per drum) or Flexible Container Bags ( 1000kg per bag)
Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Established in 2000, We Jinan Zhongwei casting and forging grinding ball Co.,Ltd, are leading manufacturer and professional exporter of grinding media balls in China. with the annual output of 50,000 to 70,000 metric tons. Our products grinding media balls are mainly exported to more than 20 countries and regions in the world, such as Japan, Korea, South Africa, Zambia, Malaysia, Philippines, Indonesia, Mongolia, Australia, UAE, Chile etc.
Our main products are forging grinding steel balls, hot rolling balls, and (high,medium,low) chrome alloyed casting iron balls, casting cylpebs, grinding rods.
Casting quality with strength, Forging glory with integrity. Insisting on the theory of "Quality first, Credit Goal, and Mutual Profits". We are trying best to supply customers with high quality products and satisfactory service.
We sincerely welcome customers from both at home and abroad to our factory for on-site inspections!
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