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Adamite roll

      Properties

       microstructure consist of matrix and carbide with carbon content of 1.3-2.3%,depending on content of alloy and heat treatment process.The matrix consist of Pearlite or Bainite. With the addition of Cr,Mo and Ni for higher stability of carbide, enhanced high temperature resistence and strengthened matrix.The centrifugal roll has virtually no fall off in hardness throughout the shell as well as highly wear and high temperature resistance and high load resistance etc.

              

        Chemical Analysis
Grades
C
Si
Mn
P
S
Ni
Cr
Mo
AD140
1.3~1.5
0.3/0.6
0.7/1.4
0.035
0.03
--
0.8/1.6
0.2/0.6
AD140
1.3~1.5
0.3/0.6
0.7/1.1
0.035
0.03
0.2/0.5
0.8/1.2
0.2/0.6
AD160
1.5~1.7
0.3/0.6
0.7/1.1
0.035
0.03
--
0.8/1.2
0.2/0.6
AD160
1.5~1.7
0.3/0.6
0.8/1.3
0.035
0.03
0.2
0.8/2.0
0.2/0.6
AD180
1.7/1.9
0.3/0.8
0.6/1.1
0.035
0.03
0.5/2.0
0.8/1.5
0.2/0.6
AD190
1.8/2.0
0.3/0.8
0.8/1.2
0.035
0.03
1.0/2.0
1.5/3.5
0.2/0.6
AD200
1.9/2.1
0.3/0.8
0.8/1.2
0.035
0.03
0.6/2.5
0.6/2.0
0.3/0.8
       
        Physical Properties
Designation of rolls
Barrel hardness (HSD)
Tensile strength (MPa)
AD140
38~48, 45~55
490
AD140
35~45, 40~50
490
AD160
40~50
490
AD160
40~50, 50~60
490
AD180
45~55, 55~60
490
AD190
55~65
490
AD200
50~60, 55~65
490
       
        Microstructure
           Microstructure of working layer in the barrel: perlite + carbide/fine pearlite + small percentage bainite + carbide
 
        Application
           Roughing, intermediate stands of section mill and bar mill, roughing stands of high-speed wire-rod mill, roughing stands of hot strip mill, vertical rolls, back-up rolls sleeves, straightening rolls

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