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Home Products Hot Rolled Steel Cylpebs

Heat Treated Hot Rolled Steel Balls Grinding Media With Cr15

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Heat Treated Hot Rolled Steel Balls Grinding Media With Cr15

Product Details:

Place of Origin:	Jiangsu, China (Mainland)
Brand Name:	Chen's Liners
Model Number:	DF587

Payment & Shipping Terms:

Minimum Order Quantity:	2Ton/Tons
Price:	USD 1000~1500 / Ton
Packaging Details:	Packed by container bags or iron drums.
Delivery Time:	It depends on quantity to be ordered
Payment Terms:	L/C,T/T
Supply Ability:	30000 Ton/Tons / Year
Port:	Shanghai

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Detailed Product Description

Application:	Mine Mill	Material:	Steel
Dimensions:	As Per Drawings	High Cr Cast Balls & Cylpebs:	HRC≥60
Hardness:	More Than HRC60	Product Name:	Grinding Media
High Light:	hollow steel balls , cast iron balls

Heat Treated Hot Rolled Steel Balls Grinding Media With Cr15

Quick Details

1. Material:Cr15.

2. Hardness: More than HRC60.

Φ60mm High Cr Cast Balls

1. Hardness difference from surface to center is less than HRC3.

2. Hardness:More than HRC60.

3. Surface of castings is free from burnt sand & smooth.

4. It is free from hard spot, visible injurious defects such as blow hole,porosity, shrinkage, cracks, cold-shuts.

1. Specification available

A. Cast Balls

(1) Diameter (mm): φ140, φ125, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ20, φ17, φ15

B. Cast Cylpebs

(1.2)Diameter (mm): φ35×40, φ30×35, φ25×30, φ20×25, φ18×18, φ16×16, φ15×20, φ14x14,

φ12×16, φ12x12, φ10×12, φ10×10, φ8×8

(2) General Mechanical Property

Materials

Hardness

Impact value

Wear in Cement Mills (g/mt)

Application Field

High Cr

Cast Iron

≥HRc60

≥4J

25-60

The dry-grinding process in cement works, power plants and wet-grinding process in mine;

Low Cr

Cast Iron

≥HRc46

≥3J

≤130

The dry-grinding process in cement works, power plants and wet-grinding process in mines

(3). The Detailed Information about Diameter 60mmCast Balls with Different Cr Content

Composition (%)	C	Si	Mn	Cr	P	S	Hardness (HRC)	Wear Rate in Gold Mine
Low Cr Cast Balls	2.0~3.0	0.5~1.5	≤0.50	1.5~2.5	≤0.07	≤0.07	46~55	About 1000g/MT
Mid Cr Cast Balls	2.0~3.5	≤1.0	0.3~1.2	4.0~6.0	≤0.10	≤0.10	≥50	About 870g/MT
Cr12 Cast Balls	2.0~3.0	≤1.2	0.7~2.0	10~12	≤0.06	≤0.06	≥55	≤820g/MT
Cr15 Cast Balls	2.0~3.0	≤1.2	0.7~2.0	14~16	≤0.06	≤0.06	≥58	≤820g/MT
Cr20 Cast Balls	2.0~3.5	≤1.0	0.5~1.5	17~23	≤0.06	≤0.06	≥60	≤760g/MT

C. Forged Steel Balls

⑴. Diameter (mm): φ150, φ140, φ130, φ120, φ110, φ100, φ90, φ80, φ70, φ60, φ50, φ40

(2). General Mechanical Property

Composition (%)	C	Si	Mn	Cr	P	S
Type One Material	0.57~0.65	0.17-0.37	0.70-0.80	0.28-0.60	≤0.04	≤0.04

Ⅰ. For Type One Material

Size	Surface	Core
Φ40~60mm	HRC50~60	HRC50~60
Φ70~80mm	HRC50~60	HRC50~60
Φ90~100mm	HRC50~60	HRC50~60
Φ110~140mm	HRC50~60	HRC50~60

Ⅱ. For Type Two Material

Composition (%)	C	Si	Mn	Cr	V	P	S	Hardness
Type Two Material	0.7-0.9	0.45-0.75	0.70-1.25	0.11-0.40	0.05-0.12	≤0.04	≤0.04	HRC55~65

D. Holt-rolled Steel Balls

(1). Diameter (mm): φ150, φ120, φ100, φ90, φ80, φ70, φ60, φ50, φ40, φ30, φ25

(2) General Mechanical Property (Refer to GB8649-88)

Composition(%)

Hardness

Hot-rolled Steel Balls

0.5

1.0

0.25

1.60

0.4

1.2

≤

1.0

≤

0.5

≤

0.5

≤

0.5

≤

0.04

≤

0.09

≥HRC58

2. Size Tolerance

Item

Specification (mm)

Φ15~Φ50

Φ60~Φ150

Diameter tolerance

+1.5

-1.0

+2.0

-1.0

3. Package

Packaged by flexible container bags weighing about 1000kg or in iron drums weighing about 850kg.

In the recent 20 years, our liners have been widely used in large, medium and small ball mills in Chinese power generation, mining, cement, Chemical engineering and metallurgical industries and super fine pulverizing equipments. It is the only recommended liner product in the latest standard of the electric-power industry in China.

Technical Parameters

Wuxi Orient Anti-wear Engineering Co., Ltd.

Chemical Composition & Mechanical Property of Wear-resistant Castings

Item	Cr-Mo	Cr-Mo	Cr-Mo	High Cr white iron	High Cr Alloy Steel	High Manganese Steel	Ni-Hard cast iron
Item	Alloy Steel I	Alloy Steel II	Alloy Steel III	High Cr white iron	High Cr Alloy Steel	High Manganese Steel	Ni-Hard cast iron
C	0.30~0.50	0.65~0.90	0.40~0.90	2.40~3.20	1.1~2.2	0.90~1.30	2.40~3.60
Si	0.50~1.20	≤0.75	0.70~1.20	0.60~1.20	0.60~1.20	≤0.08	≤0.80
Mn	0.40~1.20	0.50~1.20	0.60~1.00	0.50~1.00	0.50~1.00	11.00~18.00	≤2.0
Cr	1.70~2.50	1.50~2.50	4.00~7.00	12.00~30.00	11.00~30.00	1.50~2.50	1.5~10
S	≤0.04	≤0.06	≤0.04	≤0.04	≤0.04	≤0.04	≤0.15
P	≤0.04	≤0.06	≤0.06	≤0.06	≤0.06	≤0.06	≤0.15
Mo	≤0.5	≤0.5	≤0.5	0.10~3.0	0.10~3.0	≤1.0	≤0.10
Cu	0.10~0.60	≤0.25	0.20~0.40	0.10~1.00	0.10~1.00	-	-
Ni	≤0.50	≤0.30	0~0.30	0~0.30	0~0.30	-	3.3~10
Re	≤0.02	≤0.02	≤0.02	-	-	-	-
Equivalent	DL/T 681-1999	AS 2074 L2B Mod	DL/T 681-1999	GB/T 8263-1999		GB/T 5680-1998	GB/ T 8263-1999
Specifications				AS 2027 Cr27		DL/T 681-1999	AS 2027/ Ni-Cr1-550
	GB/T26651-2011			AS 2027 CrMo 15/3		JIS G 5153-1999	AS 2027/ Ni-Cr2-500
				AS 2027 CrMo 20/2/1		ASTM A 128	AS 2027/ Ni-Cr4-500
				ASTM A532 Class III type A 25% Cr		DIN GX120Mn12	AS 2027/ Ni-Cr4-600
				ASTM A532Class II type B 15% Cr-Mo		AFNOR: Z120Mn12	AS 2027/ Ni-Cr4-630
				BS 4844 3E			ASTM A 532 1-A,B,C,D
				DIN1695			ASTM A 532 2-A,B,C,D,E
				NFA32401.			ASTM A 532 3-A
Material Type	Martensite Steel	Martensite or	Martensite Steel	Martensite matrix		Austenitic Mn Steel
Material Type	Martensite Steel	Pearlitic Cr Mo Steel	Martensite Steel	Martensite matrix		Austenitic Mn Steel
Hardness	HRc≥48	HB470 &	HRc≥50	HRc≥56		HB≤300	HRc≥56
Hardness	HRc≥48	HB 321~370	HRc≥50	HRc≥56		HB≤300	HRc≥56
Impact Value	Ak≥40J	-	Ak≥10J	Ak≥4J		Ak≥80J	-