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Forged Mill Balls B2 steel 75mm

Name: Forged Mill Balls B2 steel 75mm
Brand: Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd
Rating: 4.4 (3 reviews)

$820.00 ~ $820.00 / Ton

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Model No. :	75mm
Brand Name :
HARDNESS :	58-65
Impact :	≥12
Material :	60Mn

6yrs

Jinan, Shandong, China

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OEM service

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Jinan Zhongwei Casting And Forging Grinding Ball Co.,Ltd

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Product description

75mm forged mill balls ,are euqal to 3 Inch forged mill balls .

Featurers :

1) High Hardness: Surface hardness of forged steel ball is to 60-68 HRC and volume hardness of forged grinding ball is to 60-65 HRC;

2) High Impact Toughness: The impact toughness is more than 15 J/cm2;

3) Low Broken Rate: The actual broken rate is not higher than 1%;

4) Even Wear-resistance: The wear rate of cast ball is 50-700 g/ton.

1.Chemical composition of forged mill balls or rolling mill balls

Material	C	Si	Mn	Cr	P	S
45#	0.42-0.48	0.17-0.37	0.50-0.80	≤0.15	≤0.050	≤0.035
60Mn	0.57-0.65	0.17-0.37	0.70-1.10	≤0.25	≤0.050	≤0.035
65Mn	0.62-0.75	0.17-0.37	0.90-1.20	≤0.25	≤0.050	≤0.035
B2	0.75-0.85	0.17-0.35	0.70-0.90	0.40-0.60	≤0.050	≤0.035
B3	0.50-0.65	1.35-1.85	0.40-1.0	0.80-1.20	≤0.050	≤0.035
B4	0.58-0.66	1.60-1.90	0.65-0.80	0.70-0.90	≤0.03	≤0.03
B6	0.97-1.03	0.20-0.30	1.00-1.10	0.50-0.60	≤0.025	≤0.025

2. Hardness of forged mill balls or rolling mill ball

Size	Size	Tolerance(mm)	Material	Surface hardness (HRC)	Volume hardness (HRC)
3/4"	D20MM	0.037+/-0.005	2+/-1	B2	63-66
1"	D25MM	0.072+/-0.01	2+/-1	B2	63-66
11/4"	D30MM	0.13+/-0.02	2+/-1	B2	63-66
11/2"	D40MM	0.30+/-0.04	2+/-1	B2	62-66
2"	D50MM	0.6+/-0.05	2+/-1	B2	62-65
21/2"	D60MM	1.0+/-0.05	2+/-1.5	B2	62-65
21/2"	D65MM	1.3+/-0.05	2+/-1.5	B2	61-64
21/2"	D65MM	1.3+/-0.05	2+/-1.5	B3	61-63
3"	D75MM	2.0+/-0.06	3+/-2	B3	61-63
3"(Hot rolled)	D80MM	2.0+/-0.06	3+/-2	B3	60-63
3"(Forged)	D80MM	2.1+/-0.06	3+/-2	B3	60-62
31/2"	D90MM	3.0+/-0.07	3+/-2	B3	60-63
4"	D100MM	4.1+/-0.15	3+/-2	B3	60-63
4.5"	D115MM	6.3+/-0.15	3+/-2	B3	60-63
5"	D125MM	8.1+/-0.3	3+/-2	B3	59-62

FEATURE OF OUR FORGED MILL BALLS

Jinan Zhongwei forged mill balls / rolling mill balls are manufactured from selected high carbon alloy steel bars and manually forged by air hammer.

Jinan Zhongwei forged mill balls/ rolling mill balls have good density and strength in favour of impact grinding and rapidly managed forging process ensuring spherical ball shape .

Jinan Zhongwei forged mill balls /rolling mill balls followed by in-line water heat treatment ,and uniform quenching,tailored to even hardness throughout .

Jinan Zhongwei forged mill balls / rolling mill balls avaliable in size 20mm to 150mm with various specifications,meet an equally wide range of grinding and milling need.

PACKING AND DELIVERY OF OUR FORGED MILL BALLS

Seaworthy standard packaging: Container bags or steel drums or with wooden or non-wooden pallets (At buyer's option)

Delivery: By Sea transportation, in container or bulk vessel.
Port of loading: Qingdao Port,China

Grinding Ball Packing Details

FOR MORE INFORMATION ABOUT JINAN ZHONGWEI FORGED MILL BALLS ,WELCOME TO CONTACT US.

WE WILL SEND OUR MOST COMPETITIVE OFFER IMMEDIATELY UPON RECEIPT OF YOUR INQUIRY.