(1) Product
Superior raw materials, advanced automated equipment, unique heat treatment technique and strict quality control system contribute to better performance for the general hardness of shandong iraeta grinding steel ball.
1) production standard Yb/t091-2005
2) size: 25-150 mm
3) surface hardness Hrc57-67 hrc
4) volume hardness Hrc56-64
5) breakage rate <0.57%
6) lost round rate <1%
7) impact toughness 12 j/cm2
8) material : customized raw material, b2, b3, bu chrome
9) forging way: hydraumatic
10) core hardnes =50;=55;=58;=60
11) dropping test: =12000
(2) Raw material
With the purchase of 400 thousand tons of steels each year, we are able to provide customizable raw materials and get vip service from steel plants. All raw materials are purchased directly from standard steel enterprises such as laiwu steel group, shijiazhuang steel, huaiyin steel, etc. The quality of different batches of raw materials is quite stable.
(3) Equipment
Iraeta has 7 full automatic hot-rolling steel ball production lines. We are among the minority of suppliers who are able to directly produce balls with dia80mm and the above size by hot-rolled technology.
(4) Lab
A national certified laboratory in accordance with the international standard iso17025 was established in iraeta.
(5) specialist
1) customized raw material. ( the formal steel material factory)
2) high automatic equipment.( automatic hot-rolling production lines )
3) the unique heat treatment. ( introducing spainsh technology)
4) strict quality control. ( equipped with national approved laboratory meeting requirements of iso17025)
5) iso9001, iso14001 , ohsas18001, etc.
(6) packing
1.Container bag(1000kg/bag)
2.Iron drum
3.According to your requirements
(1)Product
Superior raw materials, advanced automated equipment, unique heat treatment technique and strict quality control system contribute to better performance for the general hardness of shandong iraeta grinding steel ball.
1) production standardYb/t091-2005
2) size: 25-150 mm
3) surface hardnessHrc57-67 hrc
4) volume hardnessHrc56-64
5) breakage rate<0.57%
6) lost round rate<1%
7) impact toughness12 j/cm2
8) material : customized raw material, b2, b3, bu chrome
9) forging way: hydraumatic
10) core hardnes =50;=55;=58;=60
11) dropping test: =12000
(2)Raw material
With the purchase of 400 thousand tons of steels each year, we are able to provide customizable raw materials and get vip service from steel plants. All raw materials are purchased directly from standard steel enterprises such as laiwu steel group, shijiazhuang steel, huaiyin steel, etc. The quality of different batches of raw materials is quite stable.
(3)Equipment
Iraeta has 7 full automatic hot-rolling steel ball production lines. We are among the minority of suppliers who are able to directly produce balls with dia80mm and the above size by hot-rolled technology.
(4)Lab
A national certified laboratory in accordance with the international standard iso17025 was established in iraeta.
(5) specialist
1) customized raw material. ( the formal steel material factory)
2) high automatic equipment.( automatic hot-rolling production lines )
3) the unique heat treatment. ( introducing spainsh technology)
4) strict quality control. ( equipped with national approved laboratory meeting requirements of iso17025)
Cast grinding balls
High chrome casting grinding iron ball for mining
Application of chrome grinding balls :
1)cement plants
2)mines
3)power stations
4)chemical industries
5)grinding mill, ball mill, coal mill
Features of cast balls:
1) in general, high chrome casting grinding iron balls are famous for high hardness: surface hardness is to 60-68 hrc and volume hardness of 58-65 hrc;
2) high impact toughness: impact toughness is more than 12 j/cm2;
3) low broken rate: the actual broken rate is not higher than 1%;
4) wear-resistant: loss of grinding round rate is 80-500g/ton;
Specification: 20-150mm
Packing term
1) steel drums (with pallet): 850-900kg/drum
2)container bags: 1000kg/bag
Size: dia20mm to dia150mm;
Production capacity: 50000ton/year
Characteristics: high hardness, good wear resistance, no breakage, even wearing.
Applied field: mines, cement plants, power station, chemical industries etc.
Packing: by steel drum or big bag
Diameter: 1" to 6
Hardness: hrc55-65
Features: high hardness, no breakage, good wear resistance.
Applications: as a grinding media in sag and ball mills for mines and chemical industries.
We are the largest manufacturer and exporter of grinding steel balls. Our annual output is 100 000 metric tons.Our products are exported to over 20 countries and regions.
Grinding steel balls are available from diameter 1" to 6". They are welcomed by customers in the world based on high quality products, timely delivery, competitive price and best service.
We have established and are establishing a good cooperation relationship with large mining company in the world, such as ghana gold, anglo american, bhp and so on.
We believe in that our cooperation will reduce your purchase cost and improve production efficiency and create more added-value.
4)chemical industries
5)grinding mill, ball mill, coal mill
Features of cast balls:
1) in general, high chrome casting grinding iron balls are famous for high hardness: surface hardness is to 60-68 hrc and volume hardness of 58-65 hrc;
2) high impact toughness: impact toughness is more than 12 j/cm2;
3) low broken rate: the actual broken rate is not higher than 1%;
4) wear-resistant: loss of grinding round rate is 80-500g/ton;
Specification: 20-150mm
Packing term
1) steel drums (with pallet): 850-900kg/drum
2)container bags: 1000kg/bag
We set up a professional technical team with the cooperation of research institutions, colleges, and universities. For instance, chinese academy of sciences are our direct cooperator, professor mr bern klein university of british columbia, canada is one of our team members.
1.Material: b2, b3, bu
2.Surface hardness: hrc58-65hrc, volume hardness hrc56-63.
3.The impact toughness of our grinding balls is more than 18 j / cm2.
4.The actual broken rate <0.57%
5.Lost round rate: <1%
Our company (china shandong huamin steel ball joint-stock co., ltd) is one of the biggest manufacturers and exporters of grinding steel balls in china. Founded in 1986, annual production capacity of several kinds of grinding steel balls (main including: new type of high efficiency alloy forging steel ball, rcab new material forging steel balls, high chrome casting iron balls, low chrome casting iron balls.) is 50000 ton (dia20mm-dia150mm), and exports to more than 20 countries and areas in the world such as japan , korea, canada, south-africa, usa etc, and has obtained a high reputations from the customers. We have got the quality system certificate iso9001:2000 and environment quality system certificate iso14000.
Size: dia20mm to dia150mm;
Production capacity: 50000ton/year
Characteristics: high hardness, good wear resistance, no breakage, even wearing.
Applied field: mines, cement plants, power station, chemical industries etc.
Packing: by steel drum or big bag
Grade: g5----g1000
Package: pp bag + carton/wooden case/pallet
Delivery time: 7-10 days after order
Production capacity: 10000ton/month
Place of original: shandong china
Market: usa , italy, germany, canada, united kingdom, japan and south korea etc
Stainless steel ball commonly used in more sophisticated products, precision bearings, meadical dental drill bearing, caster, bearing, valves, decorations...Strong and durable.
