High Chrome Steel End Liners

End liners for ball mills conform to the slope the mill head and can be made of high chrome steel. To prevent racing and excessive wear end liners for ball mills are furnished with integral radial ribs or replaceable lifters or with both. End liners are the most important mill liners.

 

High Chrome Steel End Liners Specification

  1. Material: High Chrome Cast Iron
  2. Hardness: HRC43-52
  3. Impact Value: More than AK50J
  4. Application: dry grinding process, coal mills, cement mills
  5. MOQ:5 tons
  6. Heat Treatment: Quenching&Tempering
  7. Working condition: high wear and  low impact

 

Material For Ball Mill End Liners

Qiming Machinery supplies different materials to suit different ball mill working conditions, the material chemical composition in the following Tab:

ItemHigh Cr White IronHigh Cr Alloy SteelHigh Mn SteelNi-hard Cast Iron
C2.4-3.21.1-2.20.9-1.32.4-3.6
Si0.6-1.20.6-1.2≤0.8≤0.8
Mn0.5-1.00.5-1.011.0-18.0≤2.0
Cr12.0-30.011.0-30.01.5-2.51.5-10
S≤0.04≤0.04≤0.04≤0.15
P≤0.06≤0.06≤0.06≤0.15
Mo0.1-3.00.1-3.0≤1.0≤0.1
Cu0.1-1.00.1-1.0
Ni0-0.30-0.33.3-10
Re
Equivalent
Specification
GB/T8263-1999
AS2027 Cr27
AS2027 CrMo 15/3
AS2027 CrMo 20/2/1
ASTM A532 Class Ⅲ Type A 25%Cr
ASTM A532 Class Ⅱ Type B 15%Cr-Mo
BS 4844 3E
DIN1695
NFA32401
GB/T5680-1998
DL/T 681-1999
JIS G 5153-1999
ASTM A128
DIN GX120Mn12
AFNORZ120Mn12
GB/T8263-1999
AS2027/Ni-Cr1-550
AS2027/Ni-Cr2-500
AS2027/Ni-Cr4-500
AS2027/Ni-Cr4-600
AS2027/Ni-Cr4-630
ASTM A532 1-A,B,C,D
ASTM A532 2-A,B,C,D,E
ASTM A532 3-A
Material TypeMartensite MatrixAustenitic Mn Steel
HardnessHRC≥56HB≤300HRC≥56
Impact ValueAK≥4JAK≥80J