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Core Materials for Double Poured Rolls

The core and neck material of the roll must have sufficient strength and ductility to withstand the different kinds of loads for the rolling process. The conventional core material used for rolls in CSCo. is nodular iron. On customer's request, rolls with Lamellar Graphite (grey iron) or Compacted Graphite can be produced.

 PDF

C 36 N: Pearlitic Matrix with some Ferrite

(x100)

C 42 N: Pearlitic Matrix with some Carbide

(x400 )

 

 

 

Core Grade

Description

Hardness

(ShC)

C

(%)

Si

(%)

Mn

(%)

Cr

(%)

Ni

(%)

Mo

(%)

C 36 L

36

2.8-3.6

1.5-2.5

0.2-0.8

0.0-0.3

0.2-1.5

0.0-0.3

C 42 L

42

2.8-3.6

1.5-2.5

0.2-0.8

0.2-0.6

0.2-1.5

0.0-0.3

C 46 L

46

2.8-3.6

1.5-2.5

0.2-0.8

0.2-0.6

0.2 -1.5

0.0-0.5

C 32 N

32

2.6-3.5

1.6-2.8

0.2-0.8

0.0-0.3

0.2-1.5

0.0-0.3

C 36 N

36

2.6-3.6

1.6-2.8

0.2-0.8

0.0-0.3

0.2-1.5

0.0-0.3

C 42 N

42

2.8-3.6

1.5-2.5

0.2-0.8

0.2-0.6

0.2-1.5

0.0-0.5

C 46 N

46

2.8-3.6

1.5-2.5

0.2-0.8

0.2-0.6

0.2-1.5

0.0-0.5

C 36 V

36

2.6-3.5

1.6-2.5

0.2-0.8

0.0-0.3

0.2-1.5

0.0-0.5

C 42 V

42

2.6-3.6

1.5-2.5

0.2-0.8

0.2-0.6

0.2-1.5

0.0-0.5

C 46 V

46

2.8-3.6

1.5-2.5

0.2-0.8

0.2-0.6

0.2-1.5

0.0-0.5

 

 

 

 

 

 

 

 

Gore Grade

UTS(N/mm2)

Elongation

(%)

Bending

Strength(N/mm2)

Young’s

Modulus E(KN/mm2)

Min

Max

C 42 L

150

250

<1.5

320-480

130-150

C 46 L

150

280

<1.5

320-500

130-150

C 36 N

350

500

0.5-1

700-900

150-180

C 42 N

450

600

2-4

600-1000

150-180

C 46 N

400

600

2-4

600-1000

150-180

C 36 V

280

380

2-3

450-750

150-170

C 42 V

280

400

<2

500-800

150-170

C 46 V

300

500

<2

500-800

150-170

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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Wednesday, 19 September 2018
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