Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
| Supply Ability | Annual output 80000 tons |
| Delivery Time | 20 days after order confirmation |
| Packaging Details | container bags ,steel drum |
| Heat Treatment | water quenching |
| Vairiety Size | dia.20mm to 150mm |
| Custom Order | Accept |
| Features | High Strength |
| Falling Impact | ﹥20,000 times |
| Por Of Loading | Qingdao port,china |
| Key Word | hot rolling steel ball |
| Breakage Rate | ≤1% |
| Brand Name | ZW |
| Model Number | Hot Rolling Ball |
| Certification | ISO9001:2008 |
| Place of Origin | Jinan city,Shandong province,China |
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Product Specification
| Supply Ability | Annual output 80000 tons | Delivery Time | 20 days after order confirmation |
| Packaging Details | container bags ,steel drum | Heat Treatment | water quenching |
| Vairiety Size | dia.20mm to 150mm | Custom Order | Accept |
| Features | High Strength | Falling Impact | ﹥20,000 times |
| Por Of Loading | Qingdao port,china | Key Word | hot rolling steel ball |
| Breakage Rate | ≤1% | Brand Name | ZW |
| Model Number | Hot Rolling Ball | Certification | ISO9001:2008 |
| Place of Origin | Jinan city,Shandong province,China | ||
| High Light | Cement Plant Grinding Steel Ball ，Steel Mill Grinding Steel Ball ，High Hardness Grinding Steel Ball | ||
Low Price Forged Grinding Steel Ball for Cement Plant and Steel Mill High Hardness Hot Rolling Steel Ball
Size: 20-150mm
Origin: Shandong, China
| Material | Chemical Elements | |||||
| C | Si | Mn | P/S | Cr | Hardness (HRC) | |
| 45# | 0.42-0.50 | 0.17-0.37 | 0.5-0.8 | <0.035 | <0.25 | 60-65 |
| 60MN | 0.55-0.65 | 0.17-0.37 | 0.7-1.0 | <0.04 | <0.25 | 58-63 |
| B2 | 0.72-0.85 | 0.17-0.37 | 0.7-1.0 | <0.04 | 0.4-0.6 | 55-58 |
| B3 | 0.58-0.66 | 1.3-1.9 | 0.65-0.8 | <0.025 | 0.7-0.9 | 56-65 |
| B6 | 0.97-1.03 | 0.2-0.3 | 1.0-1.1 | <0.025 | 0.5-0.6 | 61-65 |
Hardness
|
Material
|
25mm-50mm HRC |
60mm-90mm HRC |
100mm-125mm HRC
| 130-150mm HRC | ||||
| Surface | Core | Surface | Core | Surface | Core | Surface | Core | |
| C45 | 55-58 | 55-58 | 50-68 | 23-30 | 48-52 | 22-26 | 48-52 | 22-25 |
| 60Mn | 58-62 | 55-60 | 58-62 | 30-36 | 57-61 | 26-32 | 57-61 | 26-30 |
| B2 | 60-64 | 58-64 | 57-64 | 45-60 | 55-60 | 38-48 | 55-60 | 38-42 |
| B3 | 62-65 | 60-65 | 60-65 | 58-65 | 56-65 | 50-62 | 56-63 | 50-55 |
| B6 | 62-65 | 60-65 | 61-65 | 58-65 | 60-63 | 50-62 | 61-63 | 50-55 |
Strict quality control of steel material from LAIWU STEEL FACTORY GROUP, the Biggest
factory group in North of China.
Quality control for each production shift (4hours/Shift);
Hardness, chemical elements and impact testing after production for each production shift;
SGS –third party testing before each delivery
The steel ball quality inspection process mainly includes the following steps: Appearance quality inspection: First, check the surface quality of the steel ball to observe whether there are obvious defects such as cracks, depressions, bubbles, etc. These defects will affect the performance and life of the steel ball.
Size and weight detection: Use precise measuring instruments such as calipers and micrometers to measure the diameter, roundness, weight and other indicators of the steel ball and compare them with the standard values. If there is a large deviation, it means that there is a problem with the size and weight of the steel ball.
Hardness test: Use a hardness tester to measure the hardness value of the steel ball to determine whether it meets the standard requirements. The hardness value is related to factors such as chemical composition and heat treatment process.
Chemical composition analysis: Use modern equipment such as inductively coupled plasma optical emission spectrometer (ICP-OES) to analyze the chemical composition of the steel ball to ensure that its composition meets the prescribed chemical composition standards.
Metallurgical structure analysis: Use optical microscopes and other equipment to observe the metallographic structure of the steel ball, evaluate its organizational morphology, grain size, phase distribution, etc., to understand its mechanical properties and wear resistance.
Physical property test: Including tensile and bending tests to evaluate whether the physical properties of the steel ball meet the requirements. These test results are related to the wear resistance, mechanical properties and vibration characteristics of the steel ball.
Wear resistance test: Test the wear resistance of the steel ball under actual use conditions to ensure its performance in long-term use.
Fatigue test: Evaluate the service life of the steel ball under repeated stress conditions to ensure its stability under high load.
Container bags(Net weight:1000KGS) or Steel drums(850-900KGS) or in clients' requirements
ISO9001-2008, SGS
Our company is located in Zhangqiu ,Jinan City,Shandong Province, which is provided with superior geographical position and convenient transportation. Our company covers an area of 15,000 square meters,with two million registered capital .And there are 150 existing staff,including 21 technicians.
Our main products: forging grinding steel balls,and (high,low,medium) chrome alloyed casting iron balls,casting cylpebs,grinding rods.
Application of our products: various mines,cement plants,power stations and chemical industries.
Priorities of our products: High hardness, good wear resistance, breakage rate lower than 1%.
Q1. Can I have a sample order?
A: Yes, we welcome sample order to test and check quality.
Q2. Do you have any MOQ limit for the order?
A: 1ton MOQ.
Q3. How to proceed an order ?
A: Firstly let us know your requirements or application.
Secondly We quote according to your requirements or our suggestions.
Thirdly customer confirms the samples and places deposit for formal order.
Fourthly We arrange the production.
Company Details
Business Type:
Manufacturer
Year Established:
2000
Employee Number:
100~120
Ecer Certification：
Verified Supplier
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 countri... 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 countri...
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