Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
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Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
1. Specification for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
Diameter: 20mm-150mm(0.75''-6'')
Hardness: 55HRC-65HRC
Breakage Rate<0.5%
Impact Toughness>12J/CM2
Certification: ISO9001:2008
Application: Metal Mines, Cement Plants, Chemical Industries, Power Stations
2. Type and Chemical Composition for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
Name | Material | C | Mn | Si | Cr | S | P |
CMAX-1 | 50Mn | 0.48-0.56 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
CMAX-2 | 60Mn | 0.57-0.65 | 0.70-1.0 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
CMAX-3 | 65Mn | 0.60-0.70 | 0.90-1.2 | 0.17-0.37 | ≤0.25 | ≤0.035 | ≤0.035 |
CMAX-4 | B2 | 0.70-0.85 | 0.70-0.80 | 0.17-0.37 | 0.2-0.7 | ≤0.03 | ≤0.03 |
CMAX-5 | 75SiMn | 0.70-0.90 | 0.70-1.20 | 0.4-0.8 | ≤0.25 | ≤0.03 | ≤0.03 |
CMAX-6 | Wear-resistant Alloy | 0.50-0.65 | 0.4-1.0 | 1.4-1.8 | 0.9-1.2 | ≤0.03 | ≤0.03 |
3. Physical Property for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
Name | Material | Impact Test(Ak.J/cm²) | Endurance Test Times(5m/T) | Surface Hardness (Φ25mm- Φ60mm) | Core Hardness (Φ25mm- Φ60mm) | Surface Hardness (Φ70mm- Φ100mm) | Core Hardness (Φ70mm- Φ100mm) | Breakage |
CMAX-1 | 50Mn | ≥12 | ≥10000 | ≥56 | ≥35 | ≥56 | ≥28 | <1% |
CMAX-2 | 60Mn | ≥13 | ≥10000 | ≥58 | ≥38 | ≥58 | ≥29 | <1% |
CMAX-3 | 65Mn | ≥15 | ≥12000 | ≥60 | ≥42 | ≥60 | ≥30 | <1% |
CMAX-4 | B2 | ≥17 | ≥12000 | ≥60 | ≥52 | ≥60 | ≥50 | <1% |
CMAX-5 | 75SiMn | ≥16 | ≥12000 | ≥60 | ≥50 | ≥60 | ≥48 | <1% |
CMAX-6 | Wear-resistant Alloy | ≥17 | ≥12000 | ≥60 | ≥54 | ≥60 | ≥52 | <1% |
4. Weight and Microstructure for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
Norminal Diameter | Diametrical Tolerance(mm) | Approx Weight of Single Ball(kg) | Average Number of One MT | Microstructure |
25mm/1'' | +1.5,-0.5 | 0.064 | 15625 | M+B+C (M-Martensite;B-Bainitic;C-Carbide) |
30mm/1.25'' | +1.5,-0.5 | 0.11 | 9090 | |
40mm/1.5'' | +2.0,-1.0 | 0.26 | 3846 | |
50mm/2'' | +2.0,-1.0 | 0.51 | 1961 | |
60mm/2.5'' | +3.0,-2.0 | 0.89 | 1124 | |
70mm/2.75'' | +3.0,-2.0 | 1.4 | 714 | |
80mm/3.25'' | +3.0,-2.0 | 2.1 | 476 | |
90mm/3.5'' | +3.0,-2.0 | 3 | 333 | |
100mm/4'' | +4.0,-3.0 | 4.1 | 244 | |
110mm/4.5'' | +4.0,-3.0 | 5.47 | 283 | |
120mm/4.75 | +4.0,-3.0 | 7.1 | 141 | |
130mm/5'' | +4.0,-3.0 | 9.02 | 111 |
5. Packing for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
5. Testing for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
- Q:How to improve the surface roughness of casting parts?
- One is to improve the accuracy of the model; the two is to improve the molding sand mesh. How much is the other relationship?.
- Q:What kind of casting process is used for cast iron parts? And what are the cast steel parts adopted?
- The main content of red sand table (Institute of soil science, China) silica 79.4%. three 1.48%. three 10.55%. two aluminum oxide iron oxide, calcium oxide 0.85%. Magnesium Oxide 0.52%. 1440. refractory mud 3.06% LOI 1.98% red sand with high silicon content, permeability is strong, durable, high refractoriness, good angle, low moisture content, less mud the casting finish is high, the basic requirements of sand should meet the following requirements: Casting of high purity and cleanliness, with silica sand as an example, iron sand SiO2 content of more than 90%, the big steel casting requests the SiO2 content of more than 97%; the high refractoriness and thermal stability; the suitable particle the shape and particle composition; it is not easy to be wetted by the liquid metal; cheap. The particle shape and composition of casting sand particle shape and particle composition permeability properties such as mobility, sand compaction, permeability, strength and resistance to liquid metal effects, is an important indicator of the quality of casting sand.
- Q:Is the cast steel a casting part?
- Yes, molten steel is poured into the mold and cooled to become a casting. Can also cast iron, cast aluminum, plastic casting.
- Q:My parts complex, machining costs are relatively high, so want to cast, but the surface needs anodizing, what material will be better?
- The common material that can be anodized is aluminum alloy. It is recommended to use casting aluminum alloys, such as ZL102 and ZL105, which are commonly used as cast aluminium alloys. The processing of aluminum casting is easy. After processing, the surface of the whole part can be anodized. The color can be chosen.
- Q:Lathe processing stainless steel casting parts to use what type of tool, the speed into the amount of how much tool angle
- There is YW1 best, if not using YG6X, YG8 is ok!The speed should not be high, the greater the diameter, the lower the speed! For example, a diameter of 100 mm, speed is not greater than 80 rpm, each point is good!The main tool is the front angle to be larger, more than 6 degrees, and the groove should be wider and larger to reduce the cutting resistance! When the rear angle is properly reduced and the strength is increased, it is recommended to take 3 degrees.The main components are: spindle box, exchange gear box, feed box, slide box, tool post, tail frame, light bar, lead screw, bed, foot and cooling device.Spindle box: also known as the headstock, it is the main task of the rotary motion of the main motor came through the transmission mechanism of a series of positive and negative spindle to be required two different steering speed, the spindle box gives impetus to the movement of the box. Medium spindle is the key part of lathe. The stability of the spindle on the bearing directly affects the quality of the workpiece. Once the rotation accuracy of the main shaft is reduced, the value of the machine tool will be lowered.
- Q:Casting parts need to be subjected to the kind of heat treatment after the weldment is finished
- 1, gray cast iron: General graphite annealing, to be heat treatment annealing, surface hardening etc.; ductile iron can be various: annealing, normalizing, quenching and isothermal quenching, surface treatment, chemical heat treatment.2. Pouring liquid metal into the casting cavity which adapts to the shape of parts. After cooling and solidification, the casting method is called casting. Castings obtained by casting are called castings. Casting structure design: ensure the working performance and mechanical performance requirements, consider the technical requirements and performance of alloy casting casting casting structure, casting structure design is reasonable or not, the casting quality, productivity and cost has a great influence.3. Heat treatment is a metal hot working process in which the material is in solid state by means of heating, heat preservation and cooling to obtain desired microstructure and properties
- Q:How is the silicon sol precision casting part priced? What is the price per ton of casting? Such as 304 material.
- The material is usually steel material price plus the cost (per ton of 2.5-3 million, plus profit).In the Yangtze River Delta region, generally 304 casting price of about 5-5.5 million / ton.The price will be higher if the parts are complex, or a piece weighs less than 100 grams.
- Q:What's the effect of casting copper?
- In general cast iron, the mass fraction of copper below 3% - 3.5% can increase the hardness; but when the cast iron has a tendency to chill, or when there is a hard point of free carbides, the addition of copper decreases the hardness.Copper can be used to improve the wear resistance, abrasion resistance, and shock absorption of cast iron, so it is often used in the manufacture of sliding friction iron castings, such as drilling machine spindle, automobile and tractor, valve tappet, etc.. But in white cast iron or chilled cast iron, adding copper does not make any improvement in its abrasion resistance.Copper for certain heat resistant cast iron and austenitic cast iron can increase the heat resistance and corrosion resistance, copper - chromium composite alloy to prevent oxidation under high temperature in the atmosphere from the skin effect is particularly effective, heat resistance and corrosion resistance of austenitic cast iron containing many mass fraction of 4% ~ 7% copper.
- Q:After reaming, the roughness can reach several levels, that is to say, the sample.Casting parts in rocker arm drilling, reaming, roughness, block. After reaming, the roughness can reach several levels, that is to say, the sample.
- The finish of reaming depends on the material and the sharpness of the reamer, as well as the speed and speed of the top and bottom. Marine machine tool
- Q:There is a little trace of polishingShock polishing is even worseElectrolysis can not be uneven, there is a slight bump
- German winter three step mirror polishing 2013 new processYou can free proofing!
1. Manufacturer Overview |
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| Location | Zhangqiu, China |
| Year Established | 1995 |
| Annual Output Value | 150,000M.T. |
| Main Markets | 40%,South America; 30%,South Africa; 15%,Southeast Asia; 5%, Europe Area; 5%, North America; 5%, Other Areas |
| Company Certifications | ISO9001:2008;SGS Test Report |
2. Manufacturer Certificates |
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| a) Certification Name | |
| Range | |
| Reference | |
| Validity Period | |
3. Manufacturer Capability |
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| a)Trade Capacity | |
| Nearest Port | Qingdao;Tianjin |
| Export Percentage | |
| No.of Employees in Trade Department | 25 |
| Language Spoken: | English, Chinese |
| b)Factory Information | |
| Factory Size: | 68,000m2 |
| No. of Production Lines | 15 |
| Contract Manufacturing | |
| Product Price Range | $700/M.T.-$1200/M.T. |
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Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance
- Ref Price:
-
- Loading Port:
- Qingdao
- Payment Terms:
- TT or LC
- Min Order Qty:
- 25M.T. m.t.
- Supply Capability:
- -
OKorder Service Pledge
OKorder Financial Service
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