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Hot Rolling Steel Balls

Specifications

1. Grade: 45#,50Mn,60Mn,65Mn,B2,B3,BL,BG

2. Diameter: 15mm-150mm

3. Hardness: HRC 55-65

4. Breakage Rate:<1%

5. Impact Value: >12j/Cm^2

6. Falling ball times: ≥20000s

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Product Details

Welcome to Shandong Jinchi, the leading manufacturer of grinding media, mainly produce high chrome grinding balls, , hot rolling steel balls,grinding rods, cylpebs and ball mill wear parts.

Grinding media is a valuable commodity widely used in cement production, mining industry-especially in gold, silver, copper and zinc mines, power stations for coal grinding, limestone grinding for flue gas desulphurisation, aerated building block manufacturing and so on.

We offer value for our customers through our qualified grinding products, professional service and dependable delivery.

hot rolling steel balls

Grinding ball info

Item	Forging steel grinding balls
Sizes	20mm-150mm
Grade	45#, 50Mn, 60Mn, 65Mn, B2, B3, BL, BG
Hardness	Surface: 55-60HRC / Core: 45-60HRC
Certification	TUV ISO9001, SGS
Material	Alloy Steel
Breakage rate	25mm--80mm 0.5% 90mm-140mm 1%
Out of roundness	1%
Impact toughness	>12AK.j/cm^2
Application areas	· Mining industry - grinding of ores (gold, sliver, copper, iron, manganese, chromium, wolfram, molybdenum, zinc, ) · Building industry - grinding of sand and raw materials for cement (limestone) production · Power engineering - grinding of coal, blast furnace slag, etc. · Other - grinding of colour pigments, ceramic materials, etc.
Packing Details	a. steel drums (850-900kgs/drum) b. flexible container bags(1ton/bag)

Materials	C%	Si%	Mn%	P%	S%	Cr%
B2	0.70-0.85	0.17-0.37	0.70-1.00	≤0.035	≤0.035	0.4-0.6
B2-1	0.55-0.70	0.15-0.30	0.65-0.85	≤0.020	≤0.020	0.70-1.10
High Carbon B2	0.85-1.10	0.15-0.45	0.40-1.20	≤0.035	≤0.035	0.20-1.10
B3	0.58-0.66	1.70-1.90	0.68-0.80	≤0.030	≤0.030	0.78-0.90
45#	0.42-0.50	0.17-0.37	0.5-0.8	≤0.035	≤0.035	0.25max
B4	0.65-0.75	1.20-1.40	0.50-0.70	≤0.025	≤0.025	0.85-1.00
B6	0.75-0.90	0.17-0.37	0.8-1.02	≤0.035	≤0.035	0.88-0.98
B6-1	0.82-0.90	0.15-0.35	0.90-1.05	≤0.020	≤0.020	0.88-0.98
BU	0.95-1.05	0.15-0.35	0.95-1.05	≤0.025	≤0.025	0.45-0.55
1090	0.90-1.10	0.17-0.37	0.60-0.90	≤0.025	≤0.025	≤0.025
42CrMo	0.38-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.90-1.20
40Cr	0.37-0.45	0.20-0.40	0.50-0.80	≤0.035	≤0.035	0.80-1.10
65MN	0.62-0.70	0.17-0.37	0.90-1.20	≤0.035	≤0.035	≤0.25
60MN	0.57-0.65	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25
50MN	0.48-0.56	0.17-0.37	0.70-1.00	≤0.035	≤0.035	≤0.25