Mill Roll for High Grade & Strength Plate Mill

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Loading Port:
China main port
Payment Terms:
TT OR LC
Min Order Qty:
5 m.t.
Supply Capability:
1800000 m.t./month

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Product Description:

Manufacturing  Facility

Equipped with advanced technological  facilities on melting, casting, forging, heat treating and mechanical machining,  our factory has formed 9 professional complete roll manufacturing lines of cast  steel, cast iron and forged steel rolls such as strip mill rolls, heavy section  mill rolls, wire & bar rolls, special shaped rolls and small-sized cold  rolls and specialized production lines of bloom and slab CCM, coke oven  equipments and wind power products. Annual production capacity of mill rolls is  180,000 tons, metallurgical equipment is 80,000 tons.

 

Main Plants  Capacity

is the core of our company and  undertakes all of scientific research work. The company specially produces and  supplies all kinds of roll used for hot strip mill, cold strip mill, plate &  heavy plate mill, large-sized section mill, universal mill etc. The annual  production capacity of cold roll is 30,000 tons, hot roll and back-up roll is  100,000 tons.

(1) Our Small Cold Roll factory  specially produces and supplies cold forged steel work rolls, intermediate rolls  and back-up rolls with unit weight below 4 tons, barrel diameter below or equal  to 600mm. Rolls are mainly used in single (tandem) stand cold mills, temper  mills, straighteners with strip width below or equal 1500; electric steel and  stainless steel multi-roll cold rolling mills; non-ferrous mills such as copper  strip and foil mills, aluminum strip and foil mills. The annual production  capacity is 9,000 tons.

(2) Our Wirl & Bar Mill Roll  factory specially produces and supplies work rolls and back-up roll for bar  mill, wire mill, small/mediate-sized section mill, narrow and medium-wide strip  mill. The annual production capacity is 26,000 tons.

(3) Our Special Roll factory  specially produces and supplies rolls and roll rings for seamless tube mills,  roll rings and shaft for H-beam and universal  structural mills, rolls for  large-sized high frequency straight welding mills (diameter over 508) etc. The  annual capacity is 15,000 tons.

(4) Our Equipment Manufacturing  factory specially produces and supplies all types of bloom, slab, special  section blank for continuous casting machine, coke oven armature, complete sets of coke dry quenching equipment, heat treatment equipment for steel plate  surface, cold rolling decoiler, wind power spare parts etc. The annual  production capacity is 80,000 tons. 


Technical  Supports

The factories of CNBM invested  2.3 billion RMB for large-scale technical innovation during the “Eleventh Five  -Year Plan”. Our company has completed equipment and technology upgrade  transformation at the end of 2008, which was concentrated on three projects,  production line of centrifugal casting rolls for hot strip and plate mill,  forged roll for cold/hot strip mill, national class technology center and roll  material lab. Through upgrade transformation, the following targets have been  achieved:

(1) It becomes the world’s  biggest specialized mill roll maker with the largest production scale, the most  complete specifications of products and the most extensive coverage of various  rolls used on rolling mill. 

(2) The technology of equipments  has reached international leading level.

(3) “Mechanization, automation,  intellectualization, digitization” of equipments obviously improve the quality  control ability.

(4) New types of research  instruments improve the R&D capacity of products.

 

Products & Specification:  

Mill Roll for High Grade & Strength Plate Mill


Mill

Application

Material

Product  Specification

Hot Strip  Mill

Large-sized  vertical roll

Special alloy  cast roll, Adamite

All  Sizes

Small-sized  vertical roll

Adamite, HiCr  iron

Roughing work  roll

Special alloy  cast steel, Adamite, HiCr steel,   Semi-HSS, HiCr iron

Finish  rolling

Early stand  work roll

HiCr iron,  HSS

Later stand  work roll

ICDP,  HSS

Finishing  back-up roll

Duplex cast  steel

D≤¢2000,W≤80t

Alloy forged  steel

D≤¢2000,W≤75t

Temper  rolling

Work  roll

HiCr  iron

All  Sizes

Alloy forged  steel

Back-up  roll

ICDP

Duplex cast  steel

D≤¢2000,W≤80t

Alloy forged  steel

D≤¢2000,W≤75t

Mill

Application

Marterial

Product
     Specification

CSP

Vertical Roll

Adamite, Special alloy cast steel, HiCr  iron

All Sizes

Roughing work roll

Semi-HSS, HiCr Steel

Finish rolling

Early stand

HiCr iron, HSS

Later stand

ICDP, HSS

Roughing & Finishing back-up  roll

Duplex cast steel

D≤¢2000W≤80t

Alloy forged  steel

D≤¢2000W≤75t

Steckel  Mill

Vertical roll

Adamite, Special alloy cast  steel

All Sizes

Roughing work roll

ICDP, HiCr iron

Finishing work roll

HiCr iron, ICDP

Back-up roll

Duplex cast steel

D≤¢2000W≤80t

Alloy forged  steel

D≤¢2000W≤75t

Plate & Heavy  plate mill

Rough rolling

2-hi work roll

Special alloy cast steel, Tool  steel

All Sizes

4-hi work roll

HiCr iron, ICDP

Finishing work roll

HiCr iron, ICDP

Single stand work roll

HiCr iron, ICDP

Back-up roll

Duplex cast steel

D≤¢2000W≤80t

Alloy forged  steel

D≤¢2000W≤75t

Mill

Application

Material

Product  specification

Cold strip mill & Single stand cold  mill

Work roll

Alloy forged steel

All Sizes

Intermediate roll

Alloy forged steel

Temper roll

Alloy forged steel

Back-up roll

Duplex cast steel

D≤¢2000,W≤80t

Alloy forged  steel

D≤¢2000,W≤75t

Large-sized universal  structural mill

Break-down roll

Special alloy cast steel, alloy nodular  iron

All Sizes

Horizontal collar

High carbon adamite  (duplex)

Vertical collar

High carbon adamite, HiCr  iron

Edger roll

High carbon adamite

Shaft

Alloy forged  steel


 

 

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Q:Why are powder metallurgy parts generally small?
Although this part has higher hardness and wear resistance, but as a shaft parts of the fatigue resistance can not be guaranteed, a small defect can lead to damage.
Q:How to strengthen the shock resistance of powder metallurgy metal parts?
Sintering technology should be excellent, if possible, hot isostatic pressing (low pressure) sintering furnace sintering, the stress is small, uniform structure.
Q:How can make powder metallurgy machinery fittings have hardness, toughness?
The methods are as follows:Increasing the density of powder metallurgy parts.
Q:What is the manufacture of powder metallurgy machinery parts?
Powder metallurgy is the preparation of metal powder or metal powder (or a mixture of metal powder and metal powder) as raw material, after forming and sintering, manufacture of metal materials, composite materials and products of various types of technology.
Q:Why does the aspect ratio of powder metallurgy machine parts need to be controlled?
This is the material, process, mold, equipment restrictions,When the material is pressed in the height direction, the density is too high, but the diameter is too high. The density gradient is too large and the strength of the blank is too low to form.
Q:What kind of high temperature anticorrosive coating is used for metallurgical high temperature parts?
The alternating coating of hot and cold can not crack and fall off. The coating is dense, acid resistant and alkali resistant, and can withstand high temperature 1300 DEG C. FDA certification, non-toxic environmental protection.
Q:What are the types of powder metallurgy machinery parts?
Powder metallurgy parts can not be subdivided into different types, because different metal, nonmetal and other additives are added in the matrix material to achieve different effects, which need to be decided according to different performance requirements.
Q:What kind of imported metallurgical machinery parts do steel mills need to rely on?
Under normal circumstances, domestic production, special, key parts have to rely on imports.
Q:What is the cost of the powder metallurgy machine parts?
Under the same conditions, mass production is certainly superior to a small amount of production because fixed costs are apportioned by production and unit costs are reduced.
Q:Process flow of powder metallurgy parts plating
Prior to the powder metallurgy electroplating, the utility model needs baking, deoiling and sealing the pores, and thoroughly cleaning and drying after plating. At the same time, all kinds of treatment solution should be chosen as low as possible.

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