Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance

Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance System 1

Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance System 2

Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance System 3

Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance

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Loading Port:: Qingdao

Payment Terms:: TT or LC

Min Order Qty:: 25M.T. m.t.

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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

Container Bags for Forged Steel Grinding Ball

Drumes for Forged Steel Grinding Ball

5. Testing for Forged Steel Grinding Ball DIA0.75’’-DIA6’’ with High Hardness and Good Wear-resistance

Impact Toughness Test for Forged Steel Grinding Ball

Hardness Test for Forged Steel Grinding Ball

Q:Why do casting parts have air holes?: There are many reasons for casting porosity, mainly due to:1. smelting process is unreasonable, metal liquid absorbs more gas;2. the gas in the mold invades the metal liquid;3. from the mold is more water brush, core dry;4. the casting has poor ventilation;5. ladle tools are not dry.Wait。

Q:What are the factors affecting the machining process of the casting material and structure?: As for the metallographic structure, usually the finished products after casting are treated by heat treatment. The mechanical properties of the carbon steel after heat treatment (quenching and tempering) are detected. The stainless steels are treated by heat treatment (solid solution, etc.) and the metallographic structure is analyzedThere is a lot of talk and a bit of confusionIf you have a specific brand, you can search for Baidu or buy tools

Q:Can the casting part be phosphating with the phosphating solution of the pickling board?: If it is Phosphating for painting, it is not necessary, because the surface of the casting is rough and can be firmly bonded with the paint film.

Q:In theory, which is more expensive, forging parts or casting parts?: The structure of the casting is relatively flexible in design, and the modeling is easy to realize.

Q:Younger brother is to do casting valve, precision casting parts, the valve internal sand serious, but the appearance is very standard, this is why, for God answers, thank you!: If is casting, internal shell mold may be not completely dry, strength is not enough, resulting in shell mold collapse into molten steel.It is also possible that the refractory is not refractory enough.

Q:We are small castings, the need for surface treatment of shot blasting machine, about how much?: The choice of shot blasting machine, this is according to the workpiece size, yield, whether can collision, and the working time and other factors considered, while the price of different blasting machine are not the same, but the vast majority of small castings used crawler shot blasting machine, according to the comprehensive consideration of factors such as yield, size of workpiece commonly used on the market the crawler shot blasting machine has Q324, Q326, Q328, Q3210, and each time the amount of their treatment were 125KG, 200KG, 400KG, 600KG, the specific use of what types also need to be determined according to the actual situation

Q:What do you mean by "proofing" in the casting? Do you charge for the proofing?: Die die must charge, wood cheap, expensive aluminum mold

Q:The casting defects of pores, trachoma how to repair?: If the repair after the high temperature resistance, choose LT737 high temperature repair agent.

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.: Radial drilling machine can achieve boring, reaming function, but as much as you want, according to your requirements and material to determine!

Q:Would you please tell me how to use casting parts for a year?The cast of an aircraft wing needs to be put aside for a year before it breaks;Does anyone know why?: 3, the resonance method is cast on its resonant frequency vibration 1060ndn, to eliminate the residual stress in casting.

CGBM established in 1995, the largest and most specialized casting and forged products supplier in China. Min products are grinding media balls, grinding rods, cylpebs, mill liners and steel flanges, with specifications all reaching international standards and annual production capacity is over 150,000tons.

1. Manufacturer Overview
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
a) Certification Name
Range
Reference
Validity Period

3. Manufacturer Capability
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.