Remarkable Qualified Mill Roll for Metallurgical industry
- 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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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 | 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 | |
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≤¢2000,W≤80t | ||
Alloy forged steel | D≤¢2000,W≤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≤¢2000,W≤80t | ||
Alloy forged steel | D≤¢2000,W≤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≤¢2000,W≤80t | ||
Alloy forged steel | D≤¢2000,W≤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 |
- Q:How can make powder metallurgy machinery fittings have hardness, toughness?
- Join an alloying element, such as nickel, molybdenum, etc,or increase the heat treatment process: carbonitriding.
- Q:What kind of high temperature anticorrosive coating is used for metallurgical high temperature parts?
- From the nano GN-201 is a novel nano composite ceramic coating, can achieve the matching coefficient of expansion, thermal shock.
- 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:Process flow of powder metallurgy parts plating
- The formation of powder metallurgy electroplating process is mainly because the powder metallurgy parts is the use of metal powder pressing and sintering, thus containing oil and porous, which requires the electroplating process in powder metallurgy, electroplating processing, all kinds of solution into the pores of the coating has great impact on the quality of.
- 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:What are the types of powder metallurgy machinery parts?
- There are many kinds of pressing molding, which is widely used in practical industrial applications. Warm pressing, cold sealing, steel mould pressing, cold isostatic pressing and hot isostatic pressing all belong to pressing forming.Press molding, with dry powder, filled with gravity in the mold, extrusion molding by ambient pressure.
- Q:What kind of imported metallurgical machinery parts do steel mills need to rely on?
- I know some imported electromagnetic stirring, casting, peeling machine, pneumatic sample delivery system, mold advanced, advanced ladle turntable.
- 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: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: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.
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Remarkable Qualified Mill Roll for Metallurgical industry
- Loading Port:
- China main port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- 5 m.t.
- Supply Capability:
- 1800000 m.t./month
OKorder Service Pledge
OKorder Financial Service
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