Roller for Steel Rolling Mill Forged Mill Roll

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1 pc
Supply Capability:
500 pc/month

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Product Description:

Roller for Steel Rolling Mill Forged Mill Roll

Products Description

Centrifugally cast compound steel back -up rolls have a shell of cast steel with alloying elements such as Ni,Cr,Mo.After heat-treatment the roll shell get a fine temper structure, which exhibits good strength and ductility combined with high fatigue properties. When used, the roll shows a high wear and spalling resistance all the time.

Products Pictures

Roller for Steel Rolling Mill Forged Mill Roll


Chemical Composition:

Classification

C

Si

Mn

P

S

Ni

Cr

Mo

CrMo semi-chilled nodular cast iron rolls

2.90-3.60

0.80-2.50

0.40-1.20

≤0.25

≤0.03


0.20-0.60

0.20-0.60

CrMo indefinite chilled nodular cast iron rolls

2.90-3.60

0.80-2.50

0.40-1.20

≤0.25

≤0.03


0.20-0.60

0.20-0.60

NiCrMo indefinite chilled nodular castiron rolls(Ⅰ)

2.90-3.60

0.80-2.50

0.40-1.20

≤0.25

≤0.03

0.50-1.00

0.20-0.60

0.20-0.80

NiCrMo indefinite chilled nodular castiron rolls(Ⅱ)

2.90-3.60

0.80-2.50

0.40-1.20

≤0.25

≤0.03

1.01-2.00

0.30-1.20

0.20-0.80

Nodular pearlitic rolls(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

Nodular pearlitic rolls(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

Nodular pearlitic rolls(SGP Ⅲ)

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

Centrifugally acicular nodular cast iron rolls(SGAⅠ)

2.90-3.60

1.20-2.20

0.20-0.80

≤0.10

≤0.03

3.01-3.50

0.20-1.00

0.50-1.00

Centrifugally acicular nodular cast iron rolls(SGAⅡ)

2.90-3.60

1.00-2.00

0.20-0.80

≤0.10

≤0.03

3.51-4.50

0.30-1.50

0.50-1.00

NiMo nodular cast iron roll( Ⅰ)

2.90-3.50

1.50-2.40

0.40-0.80

≤0.05

≤0.03

1.00-2.50

0.10-0.50

0.40-0.80

NiMo nodular cast iron roll( Ⅱ)

2.90-3.50

1.20-2.40

0.40-0.80

≤0.10

≤0.03

2.51-3.50

0.10-0.50

0.40-1.00

 

Physical Performance:

Products

Barrel Hardness

(HSD)

Neck Hardness

(HSD)

Tensile Strength

(Mpa)

CrMo semi-chilled nodular cast iron rolls

40-55

35-55

>300

CrMo indefinite chilled nodular cast iron rolls

55-70

35-55

>300

NiCrMo indefinite chilled nodular cast iron rolls(Ⅰ)

55-70

35-55

>300

NiCrMo indefinite chilled nodular cast iron rolls (Ⅱ)

60-70

35-55

>300

Nodular pearlitic rolls (SGPI)

60-70

35-55

>450

Nodular pearlitic rolls (SGPⅡ)

55-65

35-55

>450

Nodular pearlitic rolls (SGP Ⅲ)

62-72

35-55

>450

Centrifugally acicular nodular cast iron rolls(SGAⅠ)

55-78

32-45

>350

Centrifugally acicular nodular cast iron rolls(SGAⅡ)

55-78

32-45

>350

NiMo nodular cast iron roll( Ⅰ)

42-52

32-43

>300

NiMo nodular cast iron roll( Ⅱ)

42-52

32-43

>300

Quotation Elements


ITEM QUOTATION ELEMENTS

1

What kind of products the factory produce? Hot Rolled Steel Coil? Cold Rolled Steel Coil? Wire Rod? Rebar?

2

Production Process of Roll --Cast or Forged

3

Grade of Roll

4

Chemical Composition of Roll

5

Physical Property of Roll: Hardness/Tensile Strength/Elogation/Bening Strength

6

Drawing of Roll

7

Quantity

8

Delivery time

Quality Control and Package

Roller for Steel Rolling Mill Forged Mill Roll

Roller for Steel Rolling Mill Forged Mill Roll

Roller for Steel Rolling Mill Forged Mill Roll

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Roller for Steel Rolling Mill Forged Mill Roll

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Q:YW2 carbide blade type
As far as I know, the blade is distinguished by code, not by outside. YG is a precision blade, but it is free of impact, and the amount of feed can not be too large. YT this is a rough turning tool, especially a good iron. That's all.
Q:Fuzhou where to buy steel tungsten carbide
You can learn about the same carbide shipped to Fuzhou on the Internet, Zhuzhou soon.
Q:How to polish the rough surface of cemented carbide?
Polish the surface of the cemented carbide surface by using diamond abrasive paste. When polishing, can not cut short, should be in accordance with the first rough grinding paste polishing, and then use fine grinding paste polishing process, and can not be directly polished with fine abrasive paste. Otherwise, the surface of the material will leave a wavy corrugation, which will be difficult to be polished with fine abrasive. In addition, the grinding efficiency of fine grinding paste is much lower than that of coarse paste.
Q:What type of emery grinding machine is 3000/min for grinding carbide turning tools (e.g., YG8.YS8.YT15.YW1, etc.)?
Green silicon carbide grinding wheel, not sure. You'll have to look at the real map. Some resin grinding wheels are also green.
Q:What kinds of carbide cutting tools are used in the 16 and 20 manganese grinding of the lathe?
Commonly used in 200*25*32 or 250*25*32 green carbide grinding wheel, hardness K or L, particle size 60.Cemented carbide: an alloy material made from powder metallurgy by hard metals and bonded metals of refractory metals. Hard alloy is widely used as a tool material, such as turning, milling, planing, drilling, boring, used for cutting cast iron, non-ferrous metals, plastics, chemical fiber, graphite, glass, stone and steel, can also be used for cutting steel, stainless steel, high manganese steel, tool steel and other hard processing materials. Now, the cutting speed of new carbide tools is several times that of carbon steel. Hard alloy with high hardness, strength and toughness, good wear resistance, heat resistance, corrosion resistance and a series of excellent performance, especially high hardness and wear resistance of it, even at a temperature of 500 DEG C also remained unchanged, at 1000 degrees C still have high hardness.
Q:What are the differences in performance between cemented carbide cutting tools and PCD cutters (polycrystalline diamond)?
PCD has a very high hardness, but its toughness is not as good as carbide, much lower than high-speed steel, therefore, the main failure form of PCD cutting tool is cutting edge.PCD cutters can effectively process non-ferrous metal materials and non-metallic materials. Such as copper, tungsten and other non-ferrous metals and their alloys, ceramics, hard alloy, various fiber and particle reinforced composite materials, plastics, rubber, graphite, glass and wood, but the diamond is not suitable for cutting steel and other iron materials.
Q:What are the meanings of cemented carbide codes, such as YS30, YN10, YW?
Y is the abbreviation of "hard". The letter behind is the abbreviation of metal material, such as "L" is "aluminum", "YL" is "hard aluminum". The number should be related to the alloy composition.
Q:The milling of hard cutting workpiece hard alloy cutter knife edge collapse and Countermeasures of reason
Difficult to cut material hardness and strength are very high. The tool produces a great resistance to cutting, and the tool is difficult to resist such a large cutting force, so the tool will be damaged.There are solutions:Heat the treated material to reduce the hardness.Replace cutting tools with better machinability.Change the tool angle to resist greater cutting force.Reduce cutting parameters.Change the processing process, such as using EDM
Q:How many temperature can the carbide valve seal reach?
What valve do you have to see and hardening?. Usually only about 300 degrees. Special hardening can only be done at 425 degrees
Q:Is the hard alloy the same as the cemented carbide?
Dissimilarity!Cemented carbide refers to one or more refractory metal carbides (WC, TiC, etc.) as hard phases, and transition metals (Co, etc.) as bonding phases and multiphase materials prepared by powder metallurgy technology. As carbide tools for cutting tools, the commonly used carbides are WC, TiC, TaC, NbC and so on. The commonly used bonding phases are Co, Ni, Fe and so on. The strength of cemented carbide depends mainly on the content of the binder phase.The ultra-fine Grain Cemented Carbide Kennametal company launched a new brand KC5525, KC5510 uses the high cobalt hard alloy matrix grain refinement, cemented carbide substrate with super grain refinement cobalt content up to 10%, with TiAlNPVD coating with high aluminum content, the tools in intermittent cutting with high edge toughness at the same time, also has a very strong deformation resistance. ISCAR company for solid carbide end mills "AL-TEC" brand series of coating, with ultra-fine Grain Cemented Carbide with high aluminum content, TiAlN (PVD) coating, which in milling high hardness of 60 ~ 62HRC hardened steel, compared with the original IC903 grade, improve tool life 150%. Valenite company for cast iron in high-speed turning VP1595 grades, but also in the ultra-fine grain cemented carbide substrate, using MT-CVD coated with 18 m thick TiCN/Al2O3/TiC coating, the flank is coated with a layer of gray TiC, in order to facilitate and blade rotation observing the wear of cutting edge, the grade in rough machining ductile iron, the processing efficiency than other K05 ~ K10 grade increased by 50%.

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