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Forged Steel Grinding Media Balls
Forged Steel Grinding Media Balls
Forged Steel Grinding Media Balls
Forged Steel Grinding Media Balls
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Forged Steel Grinding Media Balls

100mm-140mm Forged steel grinding media balls, volume hardness: 57-61HRC, Impact toughness: ≥20 J/CM2 at least.

Introduction
100mm-140mm Forged steel grinding media balls, volume hardness: 57-61HRC, Impact toughness:  ≥20 J/CM2 at least.


  

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Technical Datas

Application: 125mm Forged Steel Grinding Media Balls for Iron ore mine, Gold Mine, Copper Mine, Silver Mine, etc. 

Certification: ISO9001, ISO14001, OHSAS18001 etc.
Original: Jiangsu, China
Price: Negotiable

Raw Meterial

Finished Ball Size

Single Ball Weight

Steel rod, 65mm100-101mm4108-4232 grams

Steel rod, 80mm

125-126mm

7800-8000 grams

Steel rod, 100mm

140-141mm

11272-11516 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 100/125/140mm Forged Steel Grinding Media Balls ?
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Detailed explainations on above production flow on 125mm Forged Steel Grinding Media Balls:
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.
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What is the quality of your 125mm Forged Steel Grinding Media Balls ?
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(5") Forged Steel Grinding Media Balls Quality Parameter

Ball Size/Steel rod type

Surface Hardness

Core Hardness

Volume Hardness

Impact Toughness

          100mm/B3
          60-62 HRC          57-60 HRC             58-62 HRC                                              ≥20 J/CM2

125mm/B3

59-62 HRC

58-60 HRC

57-61 HRC

≥28 J/CM2

          140MM/B3          57-60 HRC          55-58 HRC             56-59 HRC                                               ≥28 J/CM2



If you have special quality request on 100/125/140mm steel ball for SAG ball mill, Please tell me, I am happy to develop the best 100/125/140mm steel ball upon your unique request. 


Quality control
1. Checking raw material before producing.
2. Testing production to find best bulk production method.  
3. Quality checking 3-4 times during production per shift.
4. Have the random inspection before the delivery.

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