Best Quality Forged Steel Ball Made of China

Forged grinding ball information:
1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG
2. Diameter: 20mm-150mm
3. Hardness: HRC 55-65
4. Breakage Rate:<0.5%
5. Impact Value: >12j/Cm^2
6. Falling ball times: ≥20000s

Forged(Rolling) Steel Ball Classification and Chemical Composition

Name	C	Mn	Si	S	P	Cr
SY-01-45#	0.42-0.48	0.50-0.80	0.17-0.37	0.05max	0.05max	0.15max
SY-02-50Mn	0.48-0.56	0.65-1.00	0.17-0.37	0.05max	0.05max	0.15max
SY-03-60Mn	0.57-0.65	0.70-1.10	0.17-0.37	0.05max	0.05max	0.25max
SY-04-65Mn	0.62-0.75	0.90-1.20	0.17-0.37	0.05max	0.05max	0.25max
SY-05-B2	0.75-0.85	0.70-0.90	0.17-0.35	0.05max	0.05max	0.40-0.60
SY-06-B3	0.50-0.65	0.40-1.00	1.35-1.85	0.05max	0.05max	0.80-1.20
SY-07-BL	0.55-0.75	0.65-0.85	0.15-0.35	0.05max	0.05max	0.70-1.20
SY-08-BG	0.90-1.05	0.35-0.95	0.15-0.35	0.05max	0.05max	1.0-1.70

Grinding forged steel ball Mechanical Propety

Name	Impact Value AK.J/cm2	Dropping test(sm)	Hardness
			Ф25-50(1"-2")		Ф60-90(2.5"-3.5")		Ф100-150(4"-6")
			Surface	Core	Surface	Core	Surface	Core
SY-01-45#	≥12	≥20,000	≥55	≥38	≥50	≥35	≥45	≥25
SY-02-50Mn	≥12	≥20,000	≥56	≥40	≥56	≥35	≥50	≥30
SY-03-60Mn	≥12	≥20,000	≥58	≥45	≥58	≥38	≥52	≥35
SY-04-65Mn	≥12	≥20,000	≥60	≥52	≥60	≥42	≥53	≥36
SY-05-B2	≥12	≥20,000	≥60	≥60	≥60	≥54	≥55	≥48
SY-06-B3	≥12	≥20,000	≥60	≥60	≥60	≥54	≥58	≥53
SY-07-BL	≥12	≥20,000	≥60	≥60	≥60	≥54	≥58	≥55
SY-08-BG	≥12	≥20,000	≥60	≥60	≥60	≥60	≥60	≥60

Grinding steel balls date

Nominal Diameter (mm)	Theoretical Diameter	Weight per ball(KG)	Average Number Of Balls per MT	Diametrical Tolerance(mm)
25        (1")	26	72	13,900	+2.5 -1.0
30      (1.25")	31.2	125	8,000
40      (1.5")	41.6	296	3,980	+1.5 -1.0
50         (2")	52.0	578	7,730
60      (2.5")	62.4	999	1,000	+3.0 -1.5
65	67.6	1.270	790
70      (2.75")	72.8	1.586	630
80      (3.25")	83.2	2.367	420
90     (3.75")	93.6	3.371	300	+4.0 -2.0
100        (4")	98.8	3.964	250
120         (5")	124.8	7.989	125	+5.0 -3.0
150       (6")	153	13.800	70

 

Company Profile

SHANGDONG SHENGYE GRINDING BALL CO.,LTD  specializes in the production of grinding steel ball for ball mill. Staff are trained and selected by strict overseas technology . The quality of products is consistent and the specifications are complete. The annual output of diameter DIA 20MM-DIA 150MM grinding steel ball is 100000 tons.

Due to the application of internationally advanced technology and manufacture experience ,our grindingsteel balls have the advantages of rubbing endurance, crashing tolerance and roundness persistence ,compared to other products in this field. We record the data for our products, follow up customers and drop in services at calling to solve customers' uncertainties. 




Production Processing




Why choose us

1. 20 years reputation guarantee;
2. Advanced manufacturing techniques and complete testing equipment;
3. Adequate and rich range of material stock
4. Fast delivery
5. Quality assurance
6. Overall service system





Quality assurance 

1.We only purchase directly from large regular steel groups in China. 
2.10 advanced automatic production lines with an annual output of 100,000t. Covering the specifications of DIA15-150 mm and all materials to meet customers' different requirements. All of the operators are well trained and have more than 5 years of experience in forging ball manufacturing.
3.We adopt unique complex heat treatment craft. By repeated quenching, the quenching liquid temperature control, the continuous tempering, etc., the steel ball has better performance in the volume hardness uniformity and the overall wear resistance.
4.World-class laboratory and complete test equipment enable us to make tests of chemical elements, mechanical properties, microstructure and so on. 
5.We have passed international and industrial certifications such as TUV ISO900, ISO14001, Iso45001, etc and also passed the double certification of SGS and BV as qualified factories.

Our service system 

1. Customized raw material service
2. Free samples for evaluation
3. Grinding technical guidance
4. After-sales quality assurace



Packing & Delivery

1. Ocean shipping
2. Customers designated transportation mode. 
3. Packing Details: A. Steel drums (850-930kgs/drum) b. Flexible container bags(1ton/bag)
4. Delivery Details: Within 15-20 days after received the payment or LC at sight. 


FAQ

Q1: What is the advantage of your company? 

A: We are a professional steel ball manufacturers, which have 20 years of production experience. 
We also have Hi-Tech and capable production line. 

Q2. In which countries are your products sold? 

A: Our products are exported to over 40 countries and regions including USA, Republic of Korea, Japan, Malaysia, Australia, Canada and South Africa, etc., well and universally received by clients. In order to better serve customers, we have set up the office in Malaysia, Chile, United States and Spain. 

Q3: Are you trading company or manufacturer? 

A: We are factory. 

Q4: How long is your delivery time? 

A: Generally it is 5-10 days if the goods are in stock. Or it is 15-20 days if the goods are not in stock, 
It is according to quantity. 

Q5: Do you provide samples? Is it free or extra? 

A: Yes, we could offer the sample for free charge but do not pay the cost of freight. 

Q6: What is your terms of payment? 

A: Payment<=1000USD, 100% in advance. Payment>=1000USD, 30% T/T in advance, 
Balance before shippment. 


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