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Normalized Molybdenum Alloyed Rolls

Harder grades have small amounts of carbides in a matrix of normalized fine pearlite. Softer grades have small amounts of Bull's Eyes ferrite.

They have a small hardness drop. Their fire cracking resistance is the best among all grades of cast iron rolls.

Their tensile strength is comparable to graphite steel or cast steel rolls.

These rolls are primarily used for hot rolling applications in roughing and blooming stands.

 PDF

 

PMoH48N-Pearlitic Matrix with some

 Carbide(x500)

PMoH42N-Pearlitic Matrix with Bull’s Eyes

 Ferrite and some free Ferrite(x100)

 

Roll

Grade

Barrels

Hardness

(ShC)

C

(%)

Si

(%)

Mn

(%)

Cr

(%)

Ni

(%)

Mo

(%)

Tensile

Strength

(N/mm2)

Bending

Strength

(N/mm2)

PMo H 42 N

42

3.1-3.5

1.6-2.4

0.2-0.6

0.1-0.4

1.5-2.6

0.4-0.9

600-750

900-1400

PMo H 44 N

44

3.1-3.5

1.6-2.4

0.2-0.6

0.1-0.4

1.5-2.6

0.4-0.9

600-750

900-1400

PMo H 48 N

48

3.1-3.5

1.6-2.4

0.3-0.8

0.1-0.4

1.5-2.6

0.4-0.9

600-750

900-1400

PMo H 52 N

52

3.1-3.5

1.2-2.0

0.3-0.8

0.2-0.8

1.6-2.8

0.5-1.1

600-750

800-1200

PMo H 56 N

56

3.1-3.5

1.2-2.0

0.4-1.0

0.2-0.8

1.6-2.8

0.5-1.1

500-650

800-1200

PMo H 60 N

60

3.1-3.5

1.2-2.0

0.4-1.0

0.4-0.8

1.6-3.0

0.5-1.1

500-650

800-1200

 PMo H 56 CN

56

3.1-3.5

1.0-2.0

0.4-1.0

0.4-0.8

1.6-2.8

0.5-1.1

See core Material Info in link1

 PMo H 60 CN

60

3.1-3.5

1.0-2.0

0.4-1.0

0.4-0.8

1.6-3.0

0.5-1.1

See core Material Info in link1

 

Note: On request, other roll grades not specified in the table can be produced. Cores for compound rolls can be produced with Grey, Compact or Nodular cast iron.

 

 

 

 

 

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Wednesday, 19 September 2018
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