China gold supplier Hot sale High chrome casting grinding ball with SGS
Breif Description:
1. Size: Φ20mm-150mm
2. Material: high/medium/low chrome alloyed
Low Chrome: Cr=1-3%,Medium Chrome: Cr=3-9%High Chrome: 15-23% Super High Chrome: Cr=10-13%
3. Characteristics: high hardness, good wear resistant, low breakage, no deformation.
4. Hardness: 45-65HRC; Breakage rate ≤1%; Drop times≥10,000.00
5. Application: cement, metallurgy, mining, electric power, chemical and magnets industries.
Inspection: SGS/BV/TUV
Origin: Shandong Province, China
Specification:
| Type | Chemical components | |||||||
| C | Si | Mn | Cr | Mo | Cu | P | S | |
| Low-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 1-4 | ≤1.0 | ≤0.5 | ≤0.15 | ≤0.15 |
| Medium-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 4-9 | ≤1.5 | ≤1.0 | ≤0.15 | ≤0.15 |
| High-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 10-18 | ≤1.0 | ≤1.5 | ≤0.10 | ≤0.10 |
| Superhigh-Cr | 1.8-3.2 | ≤1.2 | ≤1.5 | 22-25 | ≤2.0 | ≤1.5 | ≤0.10 | ≤0.10 |
Mechanical Properties and Microstructure
| Type | Mechanical properties | Microstructure | ||||||
| HRC | Falling ball times | |||||||
| Low-Cr | ≥45 | ≥8000 | P+C | |||||
| Medium-Cr | ≥50 | ≥12000 | M+C | |||||
| High-Cr | ≥58 | ≥15000 | M+C | |||||
| Superhigh-Cr | ≥60 | ≥22000 | M+C | |||||
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P-Pearlite C-Carbide M-Martensite |
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Raw material test before production
Hardness test Drop Test Impact Test Core pulling Test after production
SGS test before delivery
Certificate: ISO 9001:2008
Packing
1.Bags:1000KG polypropylene bags which are highly resistant to UV rays and secure bag straps to reduce time and effort in loading and unloading.
2.Drums:Recyeled drums can also be supplied. The drums have a removable lid and compression ring for secure storage.Drums are more efficient for some modes of transportation and can also be delivered on wooden pallets.
Shipping:
1.Port of Loading: Qingdao Port,China
2.Partial shippment allowed
3.By DHL/TNT express for samples order.Door to door to delivery;
4.Appointed freight forwarder by customers is acceptable
Question:
Q1. What is the advantage of your company?
a. We are a professional steel ball manufacturers, which have 10 years of production experience.
b. Original manufacturer, real existed factory.
c. Hi-Tech and capable production line.
d. High quality, reasonable price, timely full service.
Q2. In which countries are your products sold?
Our products are exported to over 30 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. How to ensure the quality of your product?
