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chrome alloy casting grinding ball

670.0~1120.0 USD
Min. Order: 5 Ton
Trade Term: FOB
Payment Terms: T/T
Supply Ability: 1600ton/month
Place of Origin: Jiangsu

Company Profile

Location: Xuzhou, Jiangsu, China (Mainland)
Business Type: Manufacturer
Main Products: Grinding Ball, Grinding Cylpebs, Ball Mill Liner Plates

Product Detail

Model No.: HG-CB
Means of Transport: Ocean
Brand Name: HG
Size: dia20-150mm
Production Capacity: 1600ton/month
Packing: ton bag/steel drum
Delivery Date: 10 days for 100tons
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Product Description

Professional manufacturer of grinding steel balls including casting grinding balls and forged grinding balls.

 

Size

Dia.20-150mm

 

Raw Material of casting grinding steel balls

Main material: Chrome alloyed steel

High Chrome: 10-26%

Medium Chrome: 3-6%

Low Chrome: 1-3%

C: 2.0-3.3%

Si: less than 1.2%

Mn: 0.3-1.5%

P: less than 1%

S: less than 0.06%

 

Characteristics of Casting Grinding Steel Balls  

1. High hardness: 45-65HRC

2. High impact toughness: ≥2.5J/cm2

3. Low breakage: ≤1%

4. Drop Times: ≥10,000

5. Microstructure: 

Low/medium chrome ball: P+C  High chrome ball: M+C+A

M-Martensite     P-Pearliet     C-Carbide    A-Austenite

 

Packing Information of Casting Grinding Steel Balls

Container Bag: Dia20mm-Dia150mm 1000Kgs/Container Bag (GWt:1002Kgs)
Steel Drums: Dia20mm-Dia80mm 900Kgs/Drum (GW: 915Kgs)
Dia90mm-Dia150mm 850Kgs/Drum (GW: 865Kg )

 

Why choosing H&G casting grinding steel balls

1. Over 20years Professional casting grinding balls manufacturing experience, deserves your trust.

2. High quality, competitive price and good service benefit our customers.

3. ISO9001 certified company, advanced oil quenching and heating production line, together with advanced testing machines imported from Germany are used to ensure the quality.

4. Chemical analysis reports would be sent together with each batch of steel balls, even samples.

5. Skilled sales & service team in Shanghai branch can provide timely good service.

6. 200 thousand Tons annual production capacity can provide short L/T.


Chemical Elements

Name

Chemical Elements (%)

C

Si

Mn

Cr

Mo

Cu

P

S

Low Cr Balls

2.1-3.6

≤1.5

0.3-1.5

0.8-1.8

≤0.8

≤1.0

≤0.06

≤0.06

Medium Cr Balls

2.1-3.3

≤1.5

0.3-1.5

3-6

≤0.8

≤1.0

≤0.06

≤0.06

High Cr Balls

2.0-3.3

≤1.2

0.3-1.5

10-13

≤0.8

≤0.6

≤0.06

≤0.06

Special High Cr

2.0-3.3

≤1.2

0.3-1.5

15-23

≤0.8

≤0.6

≤0.06

≤0.06

Physical Property & Microstructure

Name

HRC

Ak(J/cm2)

Microstructure

Times of Falling Balls

Low Cr Balls

≥45

≥2.5

P+C

≥10000

Medium Cr Balls

≥48

≥3.0

P+C

≤Φ80

≥15000

≥Φ80

≥10000

High Cr Balls

≥58

≥4

M+C+A

≤Φ80

≥15000

≥Φ80

≥10000

M-Martensite       P-Pearliet     C-Carbide      A-Austenite

Size & Weight

Size(mm)

Weight(kg/pc)

Quantity(pc/t)


Size(mm)

Weight(kg/pc)

Quantity(pc/t)

Φ30

0.11

9091

Φ90

2.90

345

Φ40

0.25

3891

Φ100

4.00

250

Φ50

0.50

2000

Φ110

5.30

188

Φ60

0.86

1153

Φ120

6.80

147

Φ70

1.37

729

Φ130

7.70

129

Φ80

2.05

487

Φ140

8.74

114


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