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Martensitic Steel Grinding Mill Liners , Alloy Steel Castings

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Description

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Martensitic Steel Grinding Mill Liners , Alloy Steel Castings
?Quick Details
Martensitic Steel Castings for Ball Mills?Feature:
1.Hardness difference from surface to center is less than HRC2.
2.The series are designed for high abrasion performance.
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China mill liners supplier provides ball mill liner services to worldwide ball?mill liners customer.Hope you find our mill liner process and grinding mill liners product description helpful.
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?We possess famous patented product------ Combined Self-fastened?Boltless Ball Mill Liners,or called CHINA BEST LINER. In December of 2000,we successfully registered the international patent in Canada. Before that,we claimed domestic patents in1988 and 1997.The outstanding advantage of our liners is boltless.The general advantages are as follows:
??1. Longer service life
??2. Easier Installation
??3. No repairs during service periods
??4. No leakage of powder or slurry
??5. Maxinum quenching hardness can be achieved because of no bolt holes
??6. Output is?increased?by about 5%
??7. Power consumption is reduced by 5-20%
??8. Maintenance is?decreased by?above 98%
?The liners are easily installed and existing mills need no modification.
??In addition,the new-design lining plates can guarantee no leakage of powder,no repairs during service periods and noise reduction. The reliability and stability of our liners are much better than those of traditional ones.
??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.
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Wuxi Orient Anti-wear Engineering Co.,Ltd.
Chemical Composition & Mechanical Property of Wear-resistant Castings

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Item | ?? Cr-Mo
Alloy Steel I | Cr-Mo
Alloy Steel II | Cr-Mo
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
Specifications | DL/T 681-1999
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GB/T26651-2011 | AS 2074 L2B Mod | DL/T 681-1999 | GB/T 8263-1999
AS 2027 Cr27
AS 2027 CrMo 15/3
AS 2027 CrMo 20/2/1
ASTM A532 Class III type A 25% Cr
ASTM A532Class II type B 15% Cr-Mo
BS 4844 3E
DIN1695
NFA32401. | GB/T 5680-1998
DL/T 681-1999
JIS G 5153-1999
ASTM A 128
DIN GX120Mn12
AFNOR:Z120Mn12 | GB/T 8263-1999
AS 2027/Ni-Cr1-550
AS 2027/Ni-Cr2-500
AS 2027/Ni-Cr4-500
AS 2027/Ni-Cr4-600
AS 2027/Ni-Cr4-630
ASTM A 532 1-A,B,C,D
ASTM A 532 2-A,B,C,D,E
ASTM A 532 3-A |
Material Type | Martensite Steel | Martensite or
Pearlitic Cr Mo Steel | Martensite Steel | Martensite matrix | Austenitic Mn Steel | - |
Hardness | HRc≥48 | HB470 &
HB 321~370 | HRc≥50 | HRc≥56 | HB≤300 | HRc≥56 |
Impact Value | Ak≥40J | - | Ak≥10J | Ak≥4J | Ak≥80J | - |
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Our foundry has complete melting,heat treatment and test equipments,such as mid-frequency induction electrical furnaces,quenching and tempering furnaces,blast shot,spectrometer,Rockwell and Brinell Hardness tester,impactor,UT tester and metallographic microscope.We achieved the certificate of quality management system ISO 9001:2008.We have been exporting castings to oversea markets,such as Brazil, Australia and South Africa.
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