DONGXU Grinding Ball combines the following characteristics:
1.Size: from 8mm to 130mm
Chromium percentage: from 1% to 28%.
Heat treatment: oil quenching technology
Production capacity: 50000T/ year
Grinding ball can be classified in these categories according to Chromium percentage:
0.8% ~2.2%,low chromium, (industry, user)
4.9% ~9.0%, medium chromium, (industry, user)
10% ~12%, high chromium, (industry, user)
18% ~28%, super high chromium, (industry,user)
2.Mechanical character:
Name | HRC | Impact Value(j/cm²) | metallurgical structure | Falling Times |
Low Chrome | ≥45 | ≥2.0 | P+C | 8000 |
Medium Chrome | ≥48 | ≥2.0 | P+C | 15000 |
High Chrome | ≥58 | ≥2.5 | M+C | 18000 |
Super High Chrome | ≥60 | ≥3.0 | M+C | 20000 |
3.Chemical composition:
Name | C | Si | Mn | Cr | P | S |
Low Chrome | 2.2-3.5 | ≤1.2 | ≤0.3-1.5 | 0.8-2.2 | ≤0.1 | ≤0.1 |
Medium Chrome | 2.0-3.3 | ≤1.2 | ≤0.3-1.5 | 4.9-9.0 | ≤0.1 | ≤0.1 |
High Chrome | 2.0-3.2 | ≤1.0 | ≤0.3-1.5 | 10-12 | ≤0.1 | ≤0.06 |
Super High Chrome | 2.0-3.2 | ≤1.0 | ≤0.3-1.5 | 18-28 | ≤0.1 | ≤0.06 |
Trace Element | Cu,Mo,Ai,Nb,Zr,V | |||||
4.Automatic production line
5.Package & shipping
6.Central lab
Shipment
1.Usually we choose to ship your order by sea.
2.We'll tell you the shipping status once your order has been sent.
Payment
We accept T/T, L/C.etc. 30% advanced payment, 70% before loading
Package
We will pack your order by bulk bag or metal pail
Welcome to negotiate business with us and a professional after-sale service, an effective and satisfying
solution will be supplied timely according to your requirements.
