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Jiangyin Dongbang Steel Ball Machinery Co.,Ltd

ADD:NO.42 Hua Lu Road, Huashi Town, Jiangyin City, Jiangsu Province

Tel:86-0510-86370386

Mobile:86-13812104338

Fax:86-0510-86370552

Email:grindingballsmedia@163.com

125mm Steel Ball for Ball Mill

125mm S teel B all F or B all M ill Introduction DONGBANG brand 125mm(5”) steel ball for ball mill, promise you high and even volume hardness, strong impact toughness and breaking rate less than 0.3% during bulk use. Technical Datas Application: 125mm Steel Ball For Ball Mill for Iron ore mine,...

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125mm Steel Ball For Ball Mill Introduction
DONGBANG brand 125mm(5”) steel ball for ball mill, promise you high and even volume hardness, strong impact toughness and breaking rate less than 0.3% during bulk use.
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Technical Datas
Application: 125mm Steel Ball For Ball Mill for Iron ore mine, Gold Mine, Copper Mine, Silver Mine, etc.
Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangsu, China
Price: Negotiable

Finished Ball Size

Single Ball Weight

125-126mm

7800-8000 grams

Payment term: TT, LC
Delivery date: Negotiable
Packing: export standard ton bag or Iron drum
Major Market: Middle East/ Africa/Asia/South America/Europe/North America
MOQ: 50 tons (2x20’GP)
How we make 125mm steel ball for ball mill ?
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Detailed explainations on above production flow on 125mm steel ball for ball mill:
1.Use step up heating furnace or induction furnace to heat on 80mm Dia steel rod;
2.Hot cutting machine cut the heated steel rod to fixed length we request;
3.Use magic hand to pick up cutted hot steel rod piece and feed to quick hammer machine;
4.Quick hammer machine hammer the cutted steel rod to a ball shape;
5.Use rolling machine to get round and smooth ball surface;
6.Cool the ball, then send into reheating furnace to reheat on ball to organize the microstructure of the steel ball;
7.Reheated ball will do the quenching treatment after cool to requested temperature;
8.The ball after quenching treatment, will send into tempering furnace, it will take 12 hours to finish the entire tempering progress on 125mm balls for complete stress relief;
9.Tempered ball will cool to room temperature on cooling plate, then do the export packing upon client’s request.

Choice 1#:

                                                                                  Steel Rod Type: B3, Chemical Comments

C

Si

Mn

P

S

Cr

0.61-0.65

1.73-1.80

0.73-0.80

≤0.020

≤0.015

0.80-0.88

Ni

Cu

Mo

Alt

V


≤0.25

≤0.20





125mm Steel Ball For Ball Mill Quality Parameter

Ball Size/Steel rod type

Surface Hardness

Core Hardness

Volume Hardness

Impact Toughness

125mm/B3

60-62 HRC

57-60 HRC

56-62 HRC

≥28 J/CM2

Choice 2#:

                                                                                  Steel Rod Type: B4, Chemical Comments

C

Si

Mn

P

S

Cr

0.66-0.74

1.2-1.4

0.50-0.70

≤0.022

≤0.022

0.85-1.0

Ni

Cu

Mo

Alt

V



≤0.40


0.025-0.045

0.05-0.15


125mm Steel Ball For Ball Mill Quality Parameter

Ball Size/Steel rod type

Surface Hardness

Core Hardness

Volume Hardness

Impact Toughness

125mm/B4

61-63 HRC

58-60 HRC

57-62 HRC

≥24 J/CM2

Choice 3#:

                                                                                  Steel Rod Type: B6, Chemical Comments

C

Si

Mn

P

S

Cr

0.74-0.85

0.15-0.35

0.90-1.05

≤0.020

≤0.020

0.88-0.98

Ni

Cu

Mo

Alt

V


≤0.25

≤0.25

0.06-0.13

0.025-0.045



125mm Steel Ball For Ball Mill l Quality Parameter

Ball Size/Steel rod type

Surface Hardness

Core Hardness

Volume Hardness

Impact Toughness

125mm/B6

61-63 HRC

57-60 HRC

59-62 HRC

≥28 J/CM2

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