High chrome steel ball for cemnt grinding

FOB Reference Price / Min.Order Quantity : Get Latest Prices

Processing Time: 1 Days - 60 Days

Packaging Details: STANDARD EXPORTING PACKAGE

Port: Shanghai / Shenzhen / Qingdao / Ningbo / Other

Payment Terms: L/C , T/T , other

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Basic Information

Brief description

Place of Origin:

Liaoning China (Mainland)

Brand Name:

RUICHI

Model Number:

RN-C

Application:

cement plant ,mining ,powerstation,ball mill,ore

Material:

Steel,60Mn 65Mn #45 B2 steel

Dimensions:

25mm

Diameter:

20-150mm

Weight:

32-13871g

hardness:

55-67

Impact toughness:

>12

Product feature:

forged grinding steel ball

Delivert Time:

14days

steel ball pakcing:

steel drums or container bags

Breakage Rate:

≤1%

Customer Design:

Detailed description

high chrome steel ball ball
1.Dia:20mm-150mm
2.Material:60Mn 65Mn #45 B2
3.HRC:60-65
4.Factory Audit SGS

Product Description

High chrome grinding media ball Specifications

1.Dia:20mm-150mm
2.Material:60Mn 65Mn #45 B2
3.HRC:60-65
4.Factory Audit and SGS

Chemical Composition
Item No.	Chemical Composition
Item No.	C	Si	Mn	Cr	P	S
Low Chromium	2.3-3.4	≤1.5	0.5-1.5	1.0-2.0	≤0.1	≤0.1
Medium Chromium	2.2-2.8	0.5-1.0	0.5-0.8	10.0-12.0	≤0.1	≤0.1
High Chromium	2.4-3.2	0.5-0.8	0.5-0.8	16.0-18.0	≤0.1	≤0.1

Weight and Hardness of RN Forged Steel Ball
Norminal Diameter	Diametrical Tolerance(mm)	Average Weight(G)	Average pieces per ton(PS)	surface hardness	Impact toughness
20-0.8”	+2 / -1	32	31250	55-67	>12
25-1.0”		64	15625
30-1.2”		110	9090
40-1.6”		263	3802
50-2.0”		513	1949
60-2.4”	+3 / -2	888	1126
70-2.8”		1410	709
80-3.2”		2104	475
90-3.6”		2996	333
100-4.0”		4110	243
110-4.4”	+4 /-2	5457	182
120-4.8”		7102	140
130-5.2”		9030	110
140-5.6”	+4 /-3	11278	88
150-6.0”	+4 /-3	13871	72

High chrome grinding media ball advantage

High impact value

Good wear-resistance

Low broken rate

Various size

High chrome grinding media ball Material

60Mn 65Mn #45 B2 steel

Material Chemical Elements
Item Name	C	Si	Mn	P	S	Cr
60Mn	0.57-0.65	0.17-0.37	0.7-1.0	<0.035	<0.035	<0.25
45#	0.42-0.50	0.17-0.37	0.5-0.8			< 0.2
B2	0.50-.080	0.17-.037	0.60-0.80	<0.035	<0.035	0.90-1.1
65Mn	0.62-0.70	0.17-0.37	0.9-1.2	≤0.035	≤0.035	≤0.25