20mm-150mm Forged Steel Ball

• Customization: Available
• Certification: ISO
• Surface Treatment: Polishing, Sand Blast, Chrome Plating, Nickel Plating
• Model NO.: 20-150MM
• Temperature: Ordinary Temperature
• Pressure: High Pressure
• Material: Carbon Steel
• Type: Four-Way
• Hardness: 60-65HRC
• Stock: 1000tons
• Brakage: 1%Max
• Date of Delivery: 10days
• Payment Term: Tt/LC
• Trade Way: Fob/CIF
• Transport Package: Ton Bag/Steel Drum
• Specification: 20-150MM
• Trademark: jinchi
• Origin: China
• HS Code: 73261100
• Production Capacity: 150000tons/Year

Product Description

DESCRIPTION

1. Main product: 45#,65Mn,B2,B3,B6
2. Diameter: 20mm-150mm
3. Hardness: 55-65HRC/45-55HRC/
4. Breakage Rate:<1%
5. Impact Value: >12j/Cm^2
6. Endurance impact test times: ≥20000s
 
Forged(Rolling) Grinding Steel Ball Chemical Composition:
 

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
BU	0.95-1.05	0.15-0.35	0.95-1.05	≤0.025	≤0.025	0.45-0.55
1090	0.90-1.10	0.17-0.37	0.60-0.90	≤0.025	≤0.025	≤0.025
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 Forged(Rolling) Grinding Media Steel Ball:

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

Products:

Factory:
Shandong Jinchi Heavy Industry Joint-stock Co., LTD is a professional factory specialize in the production of forged / hot rolled grinding balls, grinding steel rods and grinding cylpebs with 28 years in China, annual output over 100,000 tons. we have 10 worlds advanced forging and automatic rolling production lines that can meet customers' complex demands.
Shandong Jinchi has 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 first-class laboratory equipped with advanced testing equipment, such as spectrometer, hardness tester, drop tester, impact tester. etc.. to ensure that our products from the raw material into the factory to the production process to the shipment of every link quality control assurance and traceability.  
Our customers spread all over southeast Asia, Africa, Latin America which involved more than 40 countries. We have good business cooperation with China and the world-renowned large mining companies as well as cement plants, thermal power plants and chemical plants and have received favorable comments from them.
Packaging:

Testing Equipment:

 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 )