| Model: | 30-150MM |
|---|---|
| Brand: | HF |
| Origin: | - |
| Category: | Industrial Supplies / Machinery / Cast & Forged |
| Label: | forging ball , forged steel , steel ball |
| Price: |
US $950
/ T
|
| Min. Order: | 5 T |
| Live Chat: | Last Online:05 Dec, 2012 |
zhangqiu huafu forging factory is manufacturer and exporter,the main products are forged ball,cast ball,steel cylpebs,steel rod.etc.
1.Specification
1.About the product:
a.The Material: The high quality Alloy Steel Material
b.The Export Quantity: 150,000 Metric Tons yearly
c.HF Forging Factory Grinding ball passed through the certificate of TUV ISO 9001
d.Available size (in mm): DIA20-DIA150
e.Characteristics:high hardness,good wear resistance,no breakage,even wearing
|
Nominal diameter(mm) |
20 |
25 |
30 |
40 |
50 |
60 |
70 |
80 |
90 |
100 |
110 |
120 |
130 |
140 |
150 |
|
Diameter deviation(mm) |
+1,-1 |
+2,-2 |
+3,-2 |
+4,-3 |
+5,-4 |
||||||||||
|
circular degree(%) |
<1 |
<2 |
<3 |
<4 |
<5 |
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2.The types
3.Steel ball mechanical performance index
|
Steel type |
Nominal diameter(mm) |
Impact test AK.J/Square meters |
Balls impact fatigue life times (drop times from the drop machine) |
HRC |
|
|
Surface |
Cores
|
||||
|
|
90max |
15J min |
≥12000 |
≥50 |
≥42 |
|
90min |
|
|
|||
|
metallographic structure |
martensite |
A few bainite |
Secondary carbide |
||
4.Technique Data(ball consumation for grinding l ton ore,
|
Type |
Small ball mill |
Medium ball mill |
Large ball mill |
|
Φ1.2m-Φ2.5m
|
Φ3.2m-Φ4.5m
|
Φ5.2m-Φ6.5m
|
|
|
Nonferrous metal |
0.55-0.65 |
0.40-0.45 |
0.35-0.45 |
|
Colorless metallic ore |
0.60-0.70 |
0.45-0.50 |
0.35-0.45 |
|
Cement grinding cement |
0.050-0.055 |
0.035-0.040 |
0.025-0.030 |
|
Grinding coal power plant |
0.08-0.09 |
0.07-0.08 |
0.04-0.05 |
5.Package:a.Dia .20mm-dia.150mm 1000kg per bags 24bags max for the 20foot container
b.Dia.130mm-dia. 150mm 800kg per drum 30drums max for the 20foot container
Dia. 50mm-dia .127mm 850kg per drum 28drums max for the 20footcontainer
Dia. 20mm-dia .40mm 900kg per drum 26drums max for the 20foot container
Dimensions dia 55cm*88cm Volume 0.23cubic meter tare 15 kgs/teel drum
| NAME | C | SI | Mn | Cr | Mo | Cu | P | S |
| High chrome alloyedcasting bars | 1.7-3.2 | ≤ 1.2 | 1.0-2.0 | 10-15 | ≤2 | ≤ 1 | ≤ 0.08 | ≤ 0.10 |
| Low chrome alloyed casting bars | 1.7-3.5 | 0.5-1.5 | 0.3-1.0 | 0.3-1.5 | 0-0.6 | 0-0.6 | ≤ 0.15 | ≤ 0.15 |
| NAME | C | SI | Mn | Cr | Mo | Cu | P | S |
| High chrome alloyedcasting bars | 1.7-3.2 | ≤ 1.2 | 1.0-2.0 | 10-15 | ≤2 | ≤ 1 | ≤ 0.08 | ≤ 0.10 |
| Low chrome alloyed casting bars | 1.7-3.5 | 0.5-1.5 | 0.3-1.0 | 0.3-1.5 | 0-0.6 | 0-0.6 | ≤ 0.15 | ≤ 0.15 |
| Payment Terms: | TT/LC |
|---|---|
