Dongbang brand 76mm grinding media steel balls for mining, your best choice to reduce ball consumption 15-20% than before.
Application: Grinding media ball for mining, like Iron Ore, Copper, Gold, Silver, etc
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangsu, China
Payment term: TT, LC
Delivery date: Negotiable
Packing: export standard ton bag or Iron drum
Major Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: 50 tons (2x20’GP)
Raw material: Steel rod, 75mm
Finished ball size: 78mm
Single ball weight: 1800~1950 grams
Our steel rod supplier: Only Chinese local steel mill, like Huai Steel, NISCO, etc.
Steel rod type: B3,B4,B6
Detailed chemical comments as below:
|Steel Rod Type: B3, Chemical Comments|
Steel Rod Type: B4, Chemical Comments
Steel Rod Type: B6, Chemical Comments
Detailed quality parameters
|76mm(3”) Grinding Media Steel Ball Quality Parameter|
Ball Size/Steel rod type
76mm grinding medial steel ball 6 meter fall drop test: More than 20,000 times, No Break
We request our local steel rod promise us on compressional rate ? See below picture:
Why do we request the compression rate 15 time at least ? Because we need to promise the steel rod have a high density to match the hot rolling method.
Our production flow picture on 76mm grinding media steel balls for mining:
1.Steel rod automatic feeding to induction;
2.Steel rod heating to requested temperature by induction furnace;
3.Heated steel rod go into hot rolling machine to make grinding balls;
4.Hot grinding balls slow cooling on convey;
5.Grinding balls cools to right temperature and go into quenching system;
6.Grinding balls after quenching, cool again by convey and send into automatic tempering furnace;
7.Grinding balls do tempering treatment by correct temperature and time upon ball size in automatic tempering furnace, go into cooling plate;
8.Grinding balls after tempering treatment, will cool to room temperature;
9.Do the packing for grinding balls, in ton bag or iron drum.
1. Q:What is the delivery time of your grinding media balls?
A:In general, the delivery time of our grinding media balls is about 20-60 days upon the order qty and ball size. We will confirm you our soonest delivery date before we sign the PO.
2. Q:Can the grinding media balls be customized as our need, such as a new chemical on raw meterial?
A:Surely, our grinding media balls can be customized as your need, we will cooperate with our steel rod supplier to develop a new chemical on raw material.
3. Q:As the shipping period will take long time, how do you pack grinding media balls?
A:Our grinding media balls will be packed into ton bag or iron drum, which can promise the balls fixed during the long time shipping on sea.
4. Q: May I know which payment will be accepted by your company?
A:So far 100% T/T before shipment, and 30% deposit paid by T/T, balance paid by L/C are available.