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Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda

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We have our own sales team, design team, technical team, QC team and package team. We have strict quality control procedures for each process. Also, all of our workers are experienced in printing field for Blasting Hood, Almandine Garnet Stone, Harga Sandblasting, We've been prepared to cooperate with company friends from at your home and overseas and produce a wonderful future with each other.
Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda Detail:

Producing process

After checking and testing the round alloy steel bar material,the production can be started according to the size of the steel ball . The steel forging is heated to a certain temperature by intermediating with frequency furnace to ensure the effective generation of variables in the forging;  The red-hot steel forging is sent into the air hammer and processed by skilled operators.  After forging the red hot steel ball immediately into JUNDA specially designed heat treatment equipment for quenching and tempering heat treatment, the high and uniform hardness value of the steel ball can be ensured.

Feature

1.High impact toughness

2.Compact organization

3.High wear resistance

4.Low breakage rate

5.Uniform hardness

6.No deformation

Packing And Transportation

Container Bag

Steel Drum

Net weight 1000kgs for all size balls Ball size Net Weight
20-30mm 930-1000KGS
40-60mm 900-930KGS
70-90mm 830-880KGS
100mm and above 830-850KGS
Bag:73×60cm, 1.5KG, 0.252CBMDrum:60×90cm, 15-20KG, 0.25CBMPallet Single:60×60×9cm, 4-6KG:Double:120×60×10cm, 12-14KG

Remark

1.JD SG4-4 series is a special supporting device for JD pressure sandblasting machine.
2. Adjust the degree of tightness of outer joint can in a way adjust the spinning speed of spinning nozzle holder. And the speed should be controlled within 30~500r/min.
3.If spinning nozzle holder stops spinning or spinning too slowly, it may be because of under pressure, too tight outer joint, stuck bearings or jamed nozzle. Stop the machine, and then adjust and check.
4.Before working,pipeline in wall sandblaster should be put in the in wall from one side to another, and dry pressed air must be inlet. When working, blasting pipe should be pulled out slowly to make it get out at a constant speed. If the cleaning quality can’t meet the requirements, work again to get the satisfactory effect.
5.If the abrasives are blocked and can not be sprayed out, it should be closed down first and exhaust, then have a check. 6). Quick-wear parts should be checked regularly,they should be replaced timely if worn, or they would have a bad influence on the efficiency and the blasting quality,and maybe Exhaust bring accidents

Technical parameters

Technical parameters of forging steel ball

Inch

Size

T weight

Tolerance(mm)

Material

Surface hardness(HRC)

Volume hardness(HRC)

3/4″

D20mm

0.037+/-0.005

2+/-1

B2

63-66

63-66

1″

D25mm

0.072+/-0.01

2+/-1

B2

63-66

63-66

11/4″

D30mm

0.13+/-0.02

2+/-1

B2

63-66

63-66

11/2″

D40mm

0.30+/-0.04

2+/-1

B2

62-66

62-66

2″

D50mm

0.6+/-0.05

2+/-1

B2

62-65

61-64

21/2″

D60mm

1.0+/-0.05

2+/-1.5

B2

62-65

60-62

21/2″

D65mm

1.3+/-0.05

2+/-1.5

B2

61-64

60-62

21/2″

D65mm

1.3+/-0.05

2+/-1.5

B3

61-63

60-62

3″

D75mm

2.0+/-0.06

3+/-2

B3

61-63

60-62

3″(Hot rolled)

D80mm

2.0+/-0.06

3+/-2

B3

60-63

60-62

3″(Forged)

D80mm

2.1+/-0.06

3+/-2

B3

60-62

53-57

31/2″

D90mm

3.0+/-0.07

3+/-2

B3

60-63

59-62

4″

D100mm

4.1+/-0.15

3+/-2

B3

60-63

59-62

4.5″

D115mm

6.3+/-0.15

3+/-2

B3

60-63

57-60

5″

D125mm

8.1+/-0.3

3+/-2

B3

59-62

55-60

Chemical composition

C%

Si%

Mn%

Cr%

P%

S%

Ni%

B2

0.72-1.03

0.15-0.35

0.3-1.2

0.2-0.6

≤0.035

≤0.035

i≤0.25

B3

0.53-0.88

1.2-2.00

0.50-1.20

0.7-1.20

≤0.035

≤0.035

i≤0.25

Forged Steel Ball-1
Forged Steel Ball-2
Forged Steel Ball-3
Forged Steel Ball-5
Forged Steel Ball-4
1
2
3
4
5
6
7


Product detail pictures:

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures

Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda detail pictures


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Innovation, excellent and reliability are the core values of our business. These principles today extra than ever form the basis of our success as an internationally active mid-size company for Super Purchasing For 4.4mm Steel Balls - Grinding ball – Junda , The product will supply to all over the world, such as: Latvia, Islamabad, Iraq, Our company, is always regarding quality as company' s foundation, seeking for development via high degree of credibility , abiding by iso9000 quality management standard strictly , creating top-ranking company by spirit of progress-marking honesty and optimism.
  • The goods we received and the sample sales staff display to us have the same quality, it is really a creditable manufacturer.
    5 Stars By Sharon from Angola - 2018.10.31 10:02
    The manufacturer gave us a big discount under the premise of ensuring the quality of products, thank you very much, we will select this company again.
    5 Stars By Liz from Serbia - 2018.09.16 11:31
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