JUNNAN STEEL · GLOBAL CHOICE
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Forged steel grinding media ball for ball mill (Dimensions: 12mm to 180mm)
Forged steel grinding media ball for ball mill (Dimensions: 12mm to 180mm)
Model |
Material
|
C
|
Mn
|
Si
|
Cr | S | P |
High Chrome |
Cr-23-32%
|
2.0-2.8
|
0.5-2.0
|
≤1.0
|
23-32 | ≤0.01 | ≤0.01 |
|
Cr-18-22%
|
2.0-2.8
|
0.5-2.0
|
≤1.0
|
18-22 | ≤0.01 | ≤0.01 | |
|
Cr-15-17%
|
2.2-3.0
|
0.5-2.0
|
≤1.0
|
15-17 | ≤0.01 | ≤0.01 | |
Cr-10-14% | 2.2-3.2 | 0.5-2.5 | ≤1.0 | 10-14 | ≤0.01 | ≤0.01 | |
Medium Chrome | Cr-10-14% | 2.1-3.2 | 0.5-1.5 | ≤1.2 | 5.0-9.0 | ≤0.01 | ≤0.01 |
Low Chrome | Cr-1-4% | 2.2-3.5 | 0.5-1.5 | ≤1.2 | 1.0-4.0 | ≤0.02 | ≤0.02 |
Model | Hardness(HRC) | Impact Test (Ak.J/cm2) | Endurance Test Times(5m) | Microstructure | |
|
Quenching
|
Unquenching
|
||||
|
High Chrome
|
≥60
|
≥58
|
≥17 | ≥15000 |
M+C
|
|
Medium Chrome
|
—
|
≥56
|
≥15 | ≥12000 |
P+C
|
|
Low Chrome
|
—
|
≥53
|
≥13 | ≥10000 |
P+C
|
Impact Test Machine
Hardness Tester
It is used to test hardness
Wire-Electrode Cutting
(1)Raw material
(2)Scientific Proportioning
(3)Electric Furnace Smelting
(4)Assay Before Furnace
(5)Mold Forming
(6)Polishing
(7)Heat Treatment
(8)Qualified Products
(9)Packing (drum/barrel or bag)
Packing specification | ||
|
Bag
|
diameter17-150mm
|
1000kg/bag
|
|
Drum
|
diameter17-25mm
|
1000kg/drum
|
|
diameter30-50mm
|
950kg/drum
|
|
|
diameter60-70mm
|
900kg/drum
|
|
diameter80-90mm | 850kg/drum | |
diameter100-150mm | 800kg/drum | |
20feet container | 25bags or 25-32drums | |
40feet container | 27bags or27-34drums | |
Q: How long is your delivery time?
A: Generally it is 5-10 days if the goods
are in stock. or it is 15-20 days if the goods are not in stock, it is
according to quantity.
Q:Could you accept OEM and customization?
A:YES, we can customize for you according
to sample or drawing.
Q: Do you like to accept small orders?
A:We enjoy growing up together with all our
clients, whatever big or small. You will become bigger and bigger to be with
us.
Q:What's your warranty?
A:1 year.
Q: Can you provide free sample?
A:Yes, we are glad to supply free samples
which quantity is less than 10kgs. But usually the courier fee should be
paid by customer.
Q:Do you have any certificate?
A:Yes, our company has ISO 19001:2008
certificate.
We could also supply customer the Test
report, SGS by third party.
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We will get you a fast free quote and schedule your job on the day and time that works best for you.
