Rolled and forged grinding steel ball 20mm to 150mm made of 60Mn 65Mn B2 60MN 65MN 45# manufacturer from China Oriental Casting and Forging Co., Ltd.

Rolled and forged grinding steel ball 20mm to 150mm made of 60Mn 65Mn

Place of Origin:

Shandong, China (Mainland)


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Product Detail

Model No.: B2 60MN 65MN 45#

Rolled and forged grinding steel ball 20mm to 150mm made of 60Mn 65Mn
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Rolled and forged grinding steel ball 20mm to 150mm made of 60Mn 65Mn

Forged Grinding Ball are the idea grinding materials in cement, metallurgy,mining,electrci power and other industries.It applies to various specification of large,medium,small dry and wet grinding machines. Our steel ball has the high hardness,low wear loss, good thoughness and low breakage.Our products have a strong footing in our domestic market of about 20 provinces and export to many countries and regions .Welcome all the friends home and abroad to inquire and cooperate with us.

Specification:

Material	C	Mn	Si	Cr	S	P
45#	0.42-0.50	0.50-0.80	0.17-0.37	≤0.25	≤0.025	≤0.025
60Mn	0.57-0.65	0.70-1.0	0.17-0.37	≤0.25	≤0.025	≤0.025
65Mn	0.62-0.70	0.90-1.20	0.17-0.37	≤0.25	≤0.035	≤0.035
40Cr	0.37-0.44	0.50-0.80	0.17-0.37	0.80-1.10	≤0.035	≤0.035

Ball diameter	Diameter tolerance	Weight of single ball in average	Number of piece of one ton ball in average	Surface hardness	Core hardness	Impact toughness
(mm)	(mm)	(g)	(pcs)	(HRC)	(HRC)	(J/cm2)
Φ20	+2,-1	32	31250	60-67	57-62	≥12
Φ25	+2,-1	64	15625	60-67	57-62	≥12
Φ30	+2,-1	110	9090	60-67	57-62	≥12
Φ40	+2,-1	263	3802	60-67	57-62	≥12
Φ50	+2,-1	513	1949	60-67	57-62	≥12
Φ60	+3,-2	888	1126	58-65	50-56	≥12
Φ70	+3,-2	1410	709	58-65	50-56	≥12
Φ80	+3,-2	2104	475	58-65	50-56	≥12
Φ90	+3,-2	2996	333	58-65	50-56	≥12
Φ100	+3,-2	4110	243	58-65	50-56	≥12
Φ110	+4,-2	5457	182	55-63	48-55	≥12
Φ120	+4,-2	7102	140	55-63	48-55	≥12
Φ130	+4,-2	9030	110	55-63	48-55	≥12
Φ140	+4,-2	11278	88	55-63	45-50	≥12
Φ150	+4,-2	13871	72	55-63	45-50	≥12

Production process of Chrome alloy casting iron ball:

Raw material→Secientic proportioning→Electric furnace smelting→Assay before furnace→Mould forming→Polishing→Heat treatment→Packing

Applied fields:

a).Mines

b).Cement plant

c).Chemical Industries

Packing:

Steel drum: 800-1000kgs/drum;

Ton bag: 1000kgs/bag.

Competitive advantage:

1.Top high cost performance;

2.Save annual steel ball use qty;

3. Increase outlet derived from the best quality .

Performance comparation:

Steel Balls for Ball mill can save usage 40-50% than low chrome casting ball(chrome percent: 5%), improve outlet 10% at least than low chrome casting ball.
Steel Balls for Ball mill can save usage 20-25% than medium chrome casting ball(chrome percent: 5% ~ 10%), improve outle