10mm -130mm Jinchi High Chromium Steel Casting Iron Ore Grinding Ball for Ball Mill

• Customization: Available
• Standard: JIS, GB, DIN, BS, ASTM, AISI
• Application: Construction Machinery, Metallurgical Machinery, Cement Plant, Mining Machine, Thermal Power Plant, Coal Yard
• Model NO.: DIA: 10mm-130mm
• Material: Iron
• Type: Grinding Ball
• Breakage Rate: <1%
• Impact Value: >4j/Cm^2
• Grade: Cr10--28
• Hardness: 58-65HRC
• Microstructure: M+C
• Falling Ball Times: >10000
• Cast Ball Chrome: Cr1.0-28.0
• Heat Treatment: Quenching +Tempering
• Transport Package: Container Ton Bags or Steel Drums
• Specification: Size: 10mm-150mm
• Trademark: JINCHI
• Origin: China
• HS Code: 73261100
• Production Capacity: 100000tons/Year

Product Description

10mm -130mm JINCHI High Chromium Steel Casting Iron Ore Grinding Ball for Ball Mill
Shandong Jinchi Heavy Industry Joint-Stock Co., LtdShandong Jinchi Heavy Industry is a distinguished professional manufacturer of premium grinding products. Our company takes pride in offering a remarkable range of products that include: Grinding Media Forged Steel Balls, Casting Steel Balls,Grinding Rods, Grinding Cylpebs, These products are crafted with precision to meet international standards, and our state-of-the-art facilities boast an impressive annual production capacity exceeding 100,000 tons.

Sincerely Looking forward to your new inquiry about our grinding ball ,the best price will be send in time .Thanks .

Why Choose Us
High Quality raw materials sourced directly from renowned large steel mills ensure premium product excellence.
Advanced automatic production lines deliver consistent and reliable manufacturing quality.
Strict quality management processes combined with exceptional after-sales service guarantee customer satisfaction.
More than two decades of industry experience provide us with unparalleled expertise.
Advanced and precise lab equipment ensures meticulous testing and quality assurance.
ISO9001, ISO14001, ISO45001, SGS certifications validate our commitment to quality and environmental standards.
Four -hour reach to Qingdao port enables swift and efficient export logistics.

Chemical Composition of forged steel balls

Materials	C%	Si%	Mn%	P%	S%	Cr%
B2	0.70-0.85	0.17-0.37	0.70-1.00	≤0.035	≤0.035	0.4-0.6
B2-1	0.55-0.70	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10
High Carbon B2	0.85-1.10	0.15-0.45	0.40-1.20	≤0.035	≤0.035	0.20-1.10
B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90
45#	0.42-0.50	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.25max
B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00
B6	0.75-0.90	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98
B6-1	0.82-0.90	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98
42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20
40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10
65MN	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25
60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25
50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25

Specification of Good Wear Resistance Forged Grinding Media Steel Mill Balls

Diameter(mm)	Diameter Tolerance(mm)	Surface Hardness(HRC)	Impact Toughness(j/cm2)
Φ20	+2, -1	>60HRC	≥12
Φ25
Φ30
Φ40
Φ50
Φ60	+3, -2
Φ70
Φ80
Φ90
Φ100	+4, -2
Φ110
Φ120		>58HRC
Φ130
Φ140	+4, -3	>55HRC
Φ150

Advantages:

1. Material Quality: Sourcing steel directly from Laigang Group and JIYUAN, the leading steel companies in China specializing in steel for grinding balls, ensures top-notch material integrity.

2. Product Range: Our portfolio caters to diverse customer requirements, offering both cast and forged types with a comprehensive range.

3. Capacity: Equipped with a substantial production capacity of approximately 100,000 MT, we guarantee seamless and uninterrupted delivery of media to our clients.

4. Production Facility: Our cutting-edge automatic production lines ensure exceptional quality consistency in every product.

5. Delivery: Thanks to our streamlined automated production system, we promise swift delivery post-order confirmation, often within just 14 days, depending on specific requirements.

6. Quality Control: Our dedicated laboratory, equipped with advanced and precise testing apparatus, ensures each production step adheres strictly to rigorous quality standards.


Manufacturing Process



High quality 30mm 40mm 50mm 60mm 80mm 100mm 120mm 130mm Grinding  cast steel media ball for mining and cement plant 

Chemical Components
Type	Chemical components
	C	Si	Mn	Cr	Mo	Cu	P	S
Low-Cr	1.8-3.3	≤1.5	0.3-1.5	1-3	≤1.0	≤0.8	≤0.10	≤0.10
Medium-Cr	1.8-3.3	≤1.2	0.3-1.5	4-9	≤1.5	≤0.8	≤0.10	≤0.10
High-Cr	1.8-3.3	≤1.2	0.3-1.5	10-18	≤1.0	≤1.2	≤0.10	≤0.06
Superhigh-Cr	1.8-3.3	≤1.2	0.3-1.5	19-35	≤2.0	≤1.2	≤0.10	≤0.06

 

Nominal diameter (mm)	Weight of single ball  in average (g)	Quantity/ MT	Surface hardness	Endurance impact test (Times)
Φ15	13.8	72549	>60	>10000
Φ17	20.1	49838		>10000
Φ20	32.7	30607		>10000
Φ25	64	15671		>10000
Φ30	110	9069		>10000
Φ40	261	3826		>10000
Φ50	510	1959		>10000
Φ60	882	1134		>10000
Φ70	1401	714		>10000
Φ80	2091	478	>58	>10000
Φ90	2977	336		>10000
Φ100	4084	245		>8000
Φ120	7057	142		>8000
Φ130	8740	115		>8000

 Certificates


FAQ

Q1: What is the advantage of your company? 

A: We are a professional steel ball manufacturers, which have 28 years of production experience. 

Q2. In which countries are your products sold? 

A: Mexico, Canada, Brazil, Tanzania, Congo, South Africa, Mali, Cote d 'Ivoire, Mauritania, Chile, Peru, Philippines, Ecuador, Ghana, Finland, South Korea, India, Australia and other countries, we have branch offices in Australia.

Q3: Are you trading company or manufacturer? 

A: We are factory. 

Q4: How long is your delivery time? 

A: Generally it is 10-15 days, 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? 

   T/T (30% in advance and 70% against copy of B/L);
    OR L/C(100% Irrevocable letter of credit at sight )