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Quick Details

  • Place of Origin: Hebei, China (Mainland)
  • Brand Name: nbsteels
  • Model Number: Customized
  • Type: Casting Parts
  • Material: Alloy
  • Plating: Silver
  • Certification: DIN

Packaging & Delivery

Packaging Details sea worthy packaging,wooden,steel cases packaging
Delivery Time according to the contract

Steel rolling mill rolls for hot rolling mill machine

 

1)Nodular cast iron rolls  

 

     Rod surface hardness

HSD70-90

   Core department hardness

HSD35-55

Core department tensile strength

>500Mpa

 

 

 

 

 

 

2)Pearlitic Nodular cast iron roll

 

Spheroidal Graphite Pearlitic Roll (SGPI)

2.90~3.60

1.40~2.20

0.40~1.00

≤0.15

≤0.03

1.50

~2.00

0.10~0.60

0.20~0.80

Spheroidal Graphite Pearlitic Roll (SGPII)

2.90~3.60

1.20~2.00

0.40~1.00

≤0.15

≤0.03

2.01

~2.50

0.20~1.00

0.20~0.80

Spheroidal Graphite Pearlitic Roll (SGPIII)

2.90~3.60

1.00~2.00

0.40~1.00

≤0.15

≤0.03

2.51

~3.00

0.20~1.00

0.20~0.80

 


 

Spheroidal Graphite Pearlitic Roll (SGPI)

60~70

35~55

>450

Spheroidal Graphite Pearlitic Roll (SGPII)

55~65

35~55

>450

Spheroidal Graphite Pearlitic Roll (SGPIII)

62~72

35~55

>450

 

 

 

 

3)Bainitic Nodular Cast Iron Rolls

  

Brand

C

Si

Mn

Cr

Ni

Mo

SGB I

3.00-3.50

1.40-2.40

0.20-0.80

≤0.50

2.50-3.50

0.40-1.00

SGB II 

3.00-3.50

1.20-2.00

0.20-0.80

0.20-1.00

3.00-4.50

0.40-1.00

Brand

Barrel Hardness(HS)

Tensile Strength(Mpa)

Bending Strength(Mpa)

SGB I 

55-70

≥400

600-800

SGB II 

62-80

≥400

600-800

 

 

 

 

 

 

 

 

 

 

 

 

 

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China (Mainland) | Trading Company
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