(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
Introduction: Dry mill casting steel balls for grinding in power plant Size: diameter 17-150mm Description: High hardness, good wear resistance, good toughness, even wearing, no breakage. Product category: Low chromium casting grinding steel ball Hardness: hrc45-55
Name:Grinding Balls Size:10-150mm Surface Hardness:58-66HRC Breakage:�1% Impact:�3.5J/CM² Why choose Chengxi grinding media: ,Quality management system certified ISO 9001:2008. ,Innovative R&D Design ,High end heat treatment technology ,Strict quality managment system ,Short lead time ,Flexiable customer service
Items Brand Surface hardness (HRC) Endurance impact test(Times) Quenched Unquenched Extra high chrome casting alloyed ball ZQCr20 =63 =45 =8000 High chrome casting alloyed ball ZQCr15 =63 =45 =8000 High chrome casting alloyed ball ZQCr13 =63 =49 =8000 Middle chrome casting alloyed ball ZQCr7 — =48 =8000 Low chrome casting alloyed ball ZQCr2 — =45 =8000 Bainite ductile casting alloyed ball ZQSi3 =50 — =8000 Applied fields of our grinding balls: a) Mines; b) Cement plants; c) Power stations; d) Chemical industry
(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
1 ) product feature 1 > high hardness: surface hardness: hrc57-67 hrc, volume hardness hrc56-64. 2 > high impact toughness: the impact toughness of our grinding balls is more than 12 j / cm2. 3 > low broken rate: the actual broken rate is not higher than 1%. 4 > good wear-resistant and lower wear rate.
The product description: 1 high chromium casting ball Hardness: hrc 60-66 Microstructure: m+c Chemical composition(%):c:1.9-3.3 , si:0.3-1.0 , mn:0.2-0.8 , cr:10.0-30.0, P:0. 9 max , s:0.9 max 2 medium chromium casting ball Hardness: hrc 48-55 Chemical composition(%): c:2.0-3.3, si:0.3-1.0;mn:0.3-1.0, cr:3.0-6.0, P:0.1 max, s:0.12 max Microstructure: p+c 3 low chromium casting ball Hardness: hrc46-53 Chemical composition(%):c:2.0-3.3, si0.3-1.0, mn:0.3-1.0, cr:1.0-2.5, P:0.1 5 max, s:0.20 max Microstructure: p+c Grinding media ball, grinding steel balls for mines, cement plants Forged steel balls: Diameter:20mm-150mm Hardness: hrc55-65 2.High chrome casting iron balls: Diameter:17mm-120mm Cr content:10-14% Hardness:hrc60-66 Features: high and steady hardness, no breakage, good wear resistance and even good wearing. 3.Grinding steel rods in rod mills: Diameter:10-100mm Length:2.5m-6m Hardness:hrc40-55 Features: steady hardness, straightness, and good wear resistance. We have established and are establishing friendly good cooperation with some famous mines in the world, such as anglo gold, codelco, bhp, erdenet copper corporation etc. So please inform us if you are interested in our products, we can discuss more on our business. Container bags, steel drums£¨1000kg£©
ItemProductSurface hardnessCore hardness 1High chrome cast grinding media Hrc 58-65More than hrc 55 2Low chrome cast grinding media Hrc 48-55More than hrc 46 3Medium chrome cast grinding mediaHrc 50-60More than hrc 48 4B2 forged grinding mediaHrc 58-65More than hrc 55 5B3 forged grinding mediaHrc 58-65More than hrc 55 6Bu forged grinding mediaHrc 58-65More than hrc 55
1 high chrome casting balls Size: 6mm-120mm Hardness: hrc60-66; chrome content: 10-30% 2 low chrome casting balls Size: 6mm-120mm Hardness: hrc46-53; chrome content: 0.5-3.5% Packing: 1.Container bags 2. Steel drums The major character of our grinding balls is that: high hardness, no breakage, lower wearing, lower price. It is mainly used in cement plants, mines, power stations etc. Our factory manufacture and export high chrome casting ball as follows: Specifications: 1) diameters: dia. 17 - 130mm 2) hardness: hrc 58-63 3) chemical elements(%): C:1.9-3.3 , si:0.3-1.0 , mn:0.2-0.8 , cr:10.0-30.0, p:0. 9 max , s:0.9 max Characteristics: A) high hardness b) no breakage c) even wearing d) good wear resistance Applied fields: A) mines b) cement plants c) power stations d) chemical industry Outer packing: Container bags, steel drums High chrome a Container bags, steel drums
Dia 20mm --- dia 150mm; the high, medium and low chrome alloyed casting iron balls: dia17mm --- dia 190mm. By steel drum
