45-55hsd Hardness Small Hardness Gradient of Working Layer Pearlitic Nodular Cast Iron Rolls (SGPI) for Blooming Mill and Large, Medium-Sized Section Steel

• Casting Method: Centrifugal Casting
• Casting Form Material: Metal
• Casting Metal: Cast Iron
• Casting Form Usage Count: Semi-permanent
• Surface Treatment: Polishing
• Surface Roughness: Ra0.05
• Model NO.: SGPI
• Coating: Anticorrosive Paint
• Machining Tolerance: +/-0.01mm
• Standard: GB/T1504-2008
• Certification: ISO 9001:2000
• Barrel Length: 1.2 Meter Max Length
• Single Weight: 10 Tons/PC Max Weight
• Taper: Available
• Multiple Thread Holes: Available
• The End of The Roll Is Slotted: Available
• Deep Hole: Available
• Deep Thread Hole: Available
• Customized Roughness: Available
• Lettering: Available
• Inspection: 100% Inspection
• Application 1: Blooming Mill for Square and Sheet
• Application 2: Big, Medium-Size Section Steel
• Application 3: Wire and Rod, Narrow Strip Steel Mill
• MOQ: 2PCS
• Hardness: 45-55 Hsd
• Transport Package: Brandreth
• Specification: 280-750mm roll body diameter
• Trademark: Zhonghang
• Origin: Huzhou
• HS Code: 8455300000
• Production Capacity: 15000 Ton/Year

Product Description

Huzhou Zhonghang Roll Co.,Ltd. have manufactured Metallurgical Rolls since 1992.
The company customizes different materials of Cast Rollers and Rings, including HSS Rollers, Ductile Iron Rolls, SGP Rollers, SGA Rollers, IC Rollers, CC Rollers, HCr Rollers, AD Rolls, AS Rolls and GS Rolls and other 20 different Rollers and Rings.

Company Profile

The Pearlite Ductile Iron Roll (SGPI)

Product Description

The pearlite ductile iron rollers are based on pearlite and the working layer is a small amount of spherical graphite cold hard layer.

The roll body has certain hardness and abrasion resistance. Low hardness, high tensile strength, high temperature resistance and accident resistance. 

    1.Product Name: Pearlite Ductile Iron Roll

    2.Product Material: SGP I

Detailed Photos

 

 

Product Parameters

    3.Chemical Composition

National Standards	C	Si	Mn	P	S	Cr	Ni	Mo	Mg
Code No.
SGP I	2.90-3.60	1.4-2.2	0.4-1.0	≤0.15	≤0.03	0.1-0.6	1.5-2.0	0.2-0.8	≥0.04
SGP II	2.90-3.60	1.2-2.0	0.4-1.0	≤0.15	≤0.03	0.2-1.0	2.01-2.5	0.2-0.8	≥0.04
SGP III	2.90-3.60	1.2-2.0	0.4-1.0	≤0.15	≤0.03	0.2-1.2	2.51-3.0	0.2-0.8	≥0.04

   4.Physical Property

Physical Property			Application
Code No.	Roll Barrel Hardness(HSD)	Roll Neck Tensile Strength(N/mm^2)
SGP I	45-55	≥450	Square steel blank blooming mill, big, medium section steel, wire, narrow strip steel mill
SGP II	55-65	≥450
SGP III	62-72	≥450

 


 5.Application: 

    1). Square steel blank blooming mill,
   
    2). Big, medium, small section steel,

    3).Wire steel
    
    4).Narrow strip steel mill
 

Certifications

Packaging & Shipping

Our Advantages

 

Why Choose Us:

1. Standard management makes us the rolls records are documented and so the roll quality can be traced at any time.
2. 30+ years manufacturing experience make us research and development on rolls more and deeper in this field.
3. Different roller customization is charged by technology team.
4. From raw material to final finished roll, we produce rolls by ourselves.
5. We have own steel factory to test new products, if test ok, we will put into mass production.

 

FAQ

FAQ

Q: How long will you reply, when we send inquiry ?
A: We will reply you within 1 hour.

Q: Are you Manufacturer?
A: Yes, we are the Cast Rollers' direct manufacturer for 30+ years.

Q: Which kinds of Rollers do you Manufacture?
A: We manufacture HSS rollers, Ductile Iron Rolls, SGP rollers, SGA rollers, IC rollers, CC rollers, HCr rollers, AD rolls, AS rolls and GS rolls and other 20 materials of Rollers and Rings.

Q: Which area does the Cast Roll apply in?
A: It is mainly suitable for High-Speed Wire & Rod, Rod, Narrow Strip Steel, Medium Strip Steel, Section Steel and other Rolling Mills' Rough Rolling, Intermediate Rolling, Finishing Rolling Steel production lines.

Q: Can you Custom Different Rollers and Rings?
A: Yes, Customizing different rolls is up on your drawings and detail requests.

Q: Can you Recommend Suitable Rolls according to the detail requests?
A: Yes, We are pleased to recommend rolls for you.

Q: To start Business, Trial Order is available?
A: Yes, Trial Order is no problem.

Q: How to Assure the Quality of Rolls?
A: Multiple inspection to ensure the quality of iron in Hangzhou products.

1. Raw material inspection
2. Each process inspection in production
3. 100% finished product inspection.

Q: How to Pack the Rolls?
A: The rollers will be packed with 3 layers plastic papers, then fixed on the iron frame.

Q: How to Ship the Rolls?
A: Generally shipped by sea from Shanghai or Ningbo port.

Q: Which Countries does the Zhonghang Roll export to?
A: Our main products are exported to the United States, Russia, Japan, Spain, Malaysia, Turkey, South Korea and other more than 10 countries.