Middle Roll of Cold Mill

• Warranty: 1year
• Technique: Cast
• Standard: GB
• Shape: Round
• Alloy or Not: Alloy
• Material: High Speed Steel Rolls(B)
• Model NO.: 006
• Description: Adopting Bimetallic Composite Extsion Casting Proc
• Transport Package: Wooden Frame
• Specification: Distinguish by drawing
• Trademark: QINGDAO XINSHENGYUAN ROLLER CO., LTD.
• Origin: Qingdao, Shandong, China
• HS Code: 8474900000
• Production Capacity: 10000t/Year

Product Description

Material	Alloy steel rolls(60CrNiMnMo)
Size	Φ200mm≤body diameter≤Φ1200mm
Parameter	(body hardness)			(neck hardness)			(tensile strength)600-800MPA
	40-55HSD			32-45HSD
Element	Ci%	Si%	Mn%	F%	S%	Ni%	Cr%	Mo%	Mg%
	0.55-0.65	0.20-0.45	0.70-1.80	≤0.40	≤0.3	0.20-0.60	1.20-2.20	0.20-0.60	≤0.40
Mill stand	section mills
	H-shaped mills			rough milling
	wire&rod mills			rough milling
	strip mills			rough milling
Description	Aolly cast steel roll is made of top-grade molten steel by arc furnace and advanced casting and technology of heating processing with high intensity,excellent thermal cracking resistance,toughness and abrasive resistance,applicable to rough and medium roll of profile steel,rough mill of hot rolled strip steel and supporting roll odf hot rolled strip steel.Metallographic structure of roll is made of pearlite or tempered sorbite system.

Material	High Speed Steel Rolls( B)
Size	Φ200mm≤body diameter≤Φ1200mm
Parameter	65 -75HSD (body hardness)                 32-45HSD neck hardness        tensile strength ≥-700-900MPA
Mill stand	Section mills
	H-shaped mills
	Wire &rod mills   Pre Finished
	Strip mills
Description	Adopting bimetallic composite extrusion casting process, the stmucture is dense, with high red hardness, wear resistance.impact resistance, and processability, It is not easy to produce pockmarks, peeling. or slotting during use; It can reduceintermediate rolling waste caused by rapid wear of the rolling groove, therebyimproving the yield of the product, Reducethe number ofroll and groove changes to improve the operation rate of the roling mill:; Good wear resistance, able toeffectively control negative deviation rolling.

Product Description
 

It is used in the roughing stands of round and sections, especially the BD2 mills for rail & beams.

Compared with other nodular iron rolls, NCC rolls have unique material and heat treatment process ensuring they are good enough to replace the traditional cast steel rolls but with a better life.

We control the carbide at a very low level (less than 5%) by reducing the chrome down to 0.3%, raising the silicon and applying isothermal quenching to make the carbide solid solution into the matrix.

Meanwhile, we can achieve a matrix of tempered sorbite/bainite by applying heat treatment d increasing nickel. This type of matrix has much better performance than the pearlite on the resistance of wear, fire crack and impact, especially the excellent red hardness thanks to the molybdenum.
 

Qingdao XinShengYuan Roller Co.,Ltd is located in the haibin industry development zone in Qingdao. next to the Port of QingDao and expressway, conventient transportation. It covers an area of 20000 square meters, invested tens of millions RMB for construction. the company specializes in producing various types of hot -milled olled and cold-milled alloy rollers, catering to the needs of different industries in the domestic and international roller market, and is committed to building a high-quality roller manufacturing and research and development base in China. Forming a production capacity of 10000 tons of high-quality rolling rolls per year.
 our company adopt advanced centrifugal compound casting technology for rolls making,and has researched and establsihed a series of high quality rollers,  the main products are chilled cast iron rolls, infinite chilled cast iron rolls, ductile iron rolls, high chromium cast iron rolls, semi-steel composite rolls, centrifugal composite rolls, semi-high-speed steel and high-speed steel rolls, It can meet the application of different rolling mills and is suitable for rolling of various bars, wires, strips and profiles .Besides, the company insist on "first-class equipment, first-class technology, first-class management team " as the basic developing objectives, while we has been well equipped with the Advanced large-scale horizontal centrifuge machinery , sets of  themedium frequency furnace and over 30 sets of advanced processing equipment like the lathe, grinding ,drilling and milling machinne etc, Furthermore,the company also has equipped the world-advanced equipment for the quality control and new roller invented such as  heat treatment , spectrometer and temperature control etc.  the company had attracted a number of  R & D talents which have years of manufacturing roller experience and formed a efficient and professional management team that  contribute to lay a solid foundation for rapidly development of "XinShengYuan Roller" .
The company will insist on the principle of "honesty ,highest quality,excellent service". And speed up the cooperation with the research institutions and meet the market need of domestic and foreign rubber and metallurgy machinery companies continuously, beyond ourself inceasingly, striving to become the most competitive and most popular enterprises and create more value for our customers.

FAQ
 

Q: Do you have large amount of steel products in stock?

A: Yes , we have a large-scale indoor warehouse with perennial spot stocks totally above 5000 tons.

 

Q: How long is the delivery time?

A: Generally it is within 10 days.  If the goods is not in stock , according to the quantity it is within 30 days.

 

Q: Do you provide the samples? Free or Extra?

A: The cost of the samples is according to the value.The cost of the freight is necessary.

 

Q: How to order?

A:  Buyer sends the enquiry --> Buyer gets the quotation --> Order confirmation --> Buyer send the deposit --> Seller prepares goods --> Seller makes the strict inspection --> Buyer Arranges Balance Payment --> packing and delivery.