Cast Iron Roll Sgpi High-Temperature Normalizing + Tempering Treatment for Stand 1 (Plain Barrel) of Bar Mill, Rebars
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Product Highlights
- 30+ Years Manufacturing Experience: Over three decades of expertise in producing high-quality metallurgical rolls.
- Comprehensive Customization Options: Full customization available based on drawings, samples, and specific design requirements.
- 10-Year Warranty Coverage: Extended 10-year warranty period for all mechanical equipment and rolls.
- SGP II Material Composition: Pearlite ductile iron with spherical graphite cold hard layer for high abrasion resistance.
- High Barrel Hardness: Roll barrel hardness ranges from 55 to 65 HSD for superior durability.
- 100% Finished Product Inspection: Rigorous quality control including raw material, production stage, and final product checks.
- ISO9001 & ISO14001 Certified: Manufacturing processes certified for quality management and environmental standards.
- Trial Order Support: Flexible trial orders accepted to facilitate new business relationships.
Product Attributes
- Customization
- Available
- After-sales Service
- Technical Support
- Warranty
- 10 Years
- Model NO.
- SGPI
- Condition
- New
- Certification
- ISO9001, ISO14001
- Standard
- GB, GB/T1504-2008
- Customized
- Customized
- Material
- Sgpii
- Application
- Metal Processing Machinery Parts, Rolling Mill
- Barrel Length
- Max 1.2 Meter
- Single Weight
- Max 10tons/PC
- Taper
- Available
- Multiple Thread Holes
- Available
- Deep Hole
- Available
- Customized Roughness
- Available
- Lettering
- Available
- MOQ
- 2PCS
- Trial Order
- Available
- Application 1
- Blooming Mill, Big and Medium-Size Section Steel
- Application 2
- Wire and Rod, Narrow Strip Steel Mill
- Inspection
- 100% Inspection
- Barrel Hardness
- 55-65 Hsd
- Roll Neck Hardness
- 35-55 Hsd
- Tensile Strength
- Great Than or Equal to 450 N/mm2
- Transport Package
- Brandreth
- Specification
- 280-750mm roll body diameter
- Trademark
- Zhonghang
- Origin
- Huzhou
- HS Code
- 8455300000
- Production Capacity
- 15000 Ton/Year
- Package Size
- 215.00cm * 69.00cm * 85.00cm
- Package Gross Weight
- 2725.000kg
Shipping
- Shipping Cost:
- Contact the supplier about freight and estimated delivery time.
Online Trading Protection
- Payment Guarantee
-
Platform-protected payments with refund support for eligible order issues.
- Platform Logistics
- Clearer shipment tracking with platform-supported logistics.
- Inspection Service
- Optional pre-shipment inspection for quality and quantity checks.
- After-Sales & Dispute Handling
- Platform-assisted dispute resolution, including refunds or returns when applicable.
Only orders placed and paid through Made-in-China.com Secured Trading are eligible for payment protection and the corresponding platform services.
Product Images of Cast Iron Roll Sgpi High-Temperature Normalizing + Tempering Treatment for Stand 1 (Plain Barrel) of Bar Mill, Rebars
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Product Description
The products cover 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.
Products application: below Steel Mill Rolling production lines of Rough Rolling, Intermediate Rolling, Finishing Rolling
2. Rod & Wire Mill,
3. Narrow Strip Mill,
4. Medium Strip Mill,
5. Section Mill,
6. Other Rolling Mills
The Pearlite Ductile Iron Roll SGP II
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 II
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/mm2) | |
| 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




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

Q: What is your response time for inquiries?
A: We will respond to your inquiry within 1 hour.
Q: Are you a manufacturer?
A: Yes, we have been a direct manufacturer of Cast Rollers for over 30 years.
Q: What kinds of rollers do you manufacture?
A: We specialize in producing HSS rollers, Ductile Iron Rolls, SGP rollers, SGA rollers, IC rollers, CC rollers, HCr rollers, AD rolls, AS rolls, GS rolls, and over 20 other types of Rollers and Rings.
Q: In which applications are Cast Rolls used?
A: Cast Rolls are primarily used in High-Speed Wire & Rod, Rod, Narrow Strip Steel, Medium Strip Steel, Section Steel, and various Rolling Mills for Rough Rolling, Intermediate Rolling, and Finishing Rolling Steel production lines.
Q: Do you offer custom rollers and rings?
A: Yes, we can customize rolls based on your drawings and specific requirements.
Q: Can you recommend suitable rolls based on specific needs?
A: Absolutely, we are pleased to recommend the most suitable rolls for your requirements.
Q: Is it possible to place a trial order to start the business?
A: Yes, we accommodate trial orders without any problem.
Q: How do you ensure the quality of the rolls?
A: We conduct multiple inspections to guarantee the quality of our products.
- Raw material inspection
- Inspection at each stage of production
- 100% finished product inspection
A: Rolls are packed using three layers of plastic wrapping and then secured on an iron frame.
Q: How are the rolls shipped?
A: Typically, rolls are shipped by sea from the ports of Shanghai or Ningbo.
Q: Which countries do Zhonghang Rolls export to?
A: Our products are primarily exported to the United States, Russia, Japan, Spain, Malaysia, Turkey, South Korea, and over 10 other countries worldwide.
About the Supplier
This supplier has been audited by SGS. Verify the report on the official SGS website with ID "QIP-ASI243781". Items marked "" are certified.
Company Profile
Huzhou Zhonghang Roll Co., Ltd. is a professional manufacturer of rolls and roll rings, was built in 1992. The company was expanded from Hangzhou, Zhejiang province to Huzhou Deqing-Industrial Zone in 2015, and renamed as "Zhonghang Roll'. It is one of the earliest enterprises to produce metallurgical rolls in China.
With more than 30 years of steady development, the strength of the enterprise is constantly enhanced, with a good production guaranteed capacity and product testing facility. It has more than 100 sets of advanced equipment, such as Smelting Furnaces, Centrifuges, Heat Treatment Furnaces, CNC Machining and so on. The company is equipped with "OBLF" Direct-Reading Spectrum Analyzer, which is imported from Germany, and other testing machines for Hardness, Tensile Strength, Metallurgical Structure, Ultrasonic Flaw Detection. It also has high standard Environmental Protection Facilities. The annual production capacity of rollers and rings are more than 15, 000 tons.
Adhering to the core concept of "undertaking, exploring and surpassing", the company has gathered more than 30 domestic famous roll technical experts and high and intermediate engineering technicians. The company set up Research & Development Center for municipal level, cooperate with domestic famous universities and research institutions for long technology partner. At present the company obtained 4 invention patents, 22 practical patents, 14 inventions and 45 practical patents are now under examination and approval. The company is rated as National High-Tech Enterprise. Its technology and innovation are always keeping us the leading manufacturer in this field.
Company's main products:
High Speed Steel Roller (HSS) HSD 75-90
Semi High Speed Steel Roll (S-HSS) HSD 75-85
High Boron Steel Roll HSD 65-85
Spiculate Bainitic Nodular Cast Iron Roll (SGA) HSD 65-85
High Nickel Chromium Molybdenum Infinite Cold Hard Cast Iron Roll (IC) HSD 70-85
High Nickel Chromium Molybdenum Cold Hard Cast Iron Roll (CC) HSD 70-85
Pearlitic Ductile Iron Roll (SGP) HSD 45-70
Medium Nickel Chromium Molybdenum Infinite Cold Hard Cast Iron Roll (IC) HSD 60-75
Medium Nickel Chromium Molybdenum Cold Hard Cast Iron Roll (CC) HSD 65-75
Cr 4, Cr 5 Back-up Roller HSD 50-65
High Chrome Cast Steel Roll (HCrS) HSD 45-65
High Chrome Cast Iron Roll (HCr) HSD 60-75
Alloy Steel Roll (AS) HSD 35-55
Adamite Steel Roll (AD) HSD 40-65
Graphite Steel Roll (GS) HSD 45-65
Product specification: Roller body diameter is 300-1000mm, roller body length is 300-2000mm.
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.
Since its establishment, the company has always adhered to the quality policy of "continuous improvement and pursuit of excellence". Since 2006, it has passed ISO9001 and ISO14001 international Quality and Environmental management system certification; The honorary title of "Domestic Famous Roll Manufacturing Enterprise" assessed by the National Metallurgical Mechanical and Electrical Standardization Committee, and also passed the AAA standardized good behavior certification. The products are sold to more than 80 large and medium-sized steel enterprises at home and abroad. And exported to the United States, Russia, Japan, Spain, Malaysia, Turkey, South Korea and other more than 10 countries, the current export proportion accounts for 60% of the total output, and the products are well received by domestic and foreign users.
About Our Factory & Business Background
-
Business Type
- Manufacturer/Factory & Trading Company
- Address
- No. 228 Pearl Avenue, Leidian, Deqing, Huzhou, Zhejiang, China
-
Plant Area
- 36226 square meters
-
Number of Employees
- 129
-
Terms of Payment
- LC, T/T, D/P, PayPal, Western Union, Small-amount payment
-
International Commercial Terms(Incoterms)
- FOB, CIF, CFR, EXW
-
Average Lead Time
- Peak Season Lead Time, 1-3 months, Off Season Lead Time, 1-3 months
-
Nearest Port
- Shanghai Port, Ningbo Port
-
Minimum Order Quantity
- 2 pcs
-
Supply Chain Partners
- 20
Our Production Capability & Technical Expertise
-
Main Products
- Mill Roll, Metallurgical Roll, Cast Iron Rolls, Cast Steel Rolls, Mill Work Roll, Centrifugal Compond Roll, Static Casting Roll, Centrifugal Casting Roll, Temper Mill Roll, Finishing Roll
-
Production Lines
- 10
-
Production Machines
- Double Column Vertical Lathe, Melting Machine, Centrifuge, Lathe, Milling Machine, Milling Machine, Rocker arm drilling machine, Punching Machine, Carving Machine, CNC Lathe
-
Inspection Type for Finished Products
- 100% inspection Function inspection
-
Inspection Method for Finished Products
- Have instruction but no written records
-
Customization Options
- Customization from Samples,Customization from Designs,Full Customization,Minor Customization,Flexible customization
-
ODM Service Available
- Yes
-
OEM Service Available
- Yes
-
R&D Engineers
- 3 people
-
Traceability of Raw Materials
- No
Our Industry Experience & Global Business Record
-
Year of Establishment
- 2015-05-18
-
Export Year
- 1 year
-
Main Markets
- Domestic
-
Repeat Buyers Choice
- 50%~80%
-
Number of Foreign Trading Staff
- 1
-
Overseas Agent/Branch
- No
Our Certifications, Standards & Industry Recognition
-
Cooperated with Fortune 500
- No
FAQ
- What is your response time for inquiries?
- We will respond to your inquiry within 1 hour.
- Are you a manufacturer?
- Yes, we have been a direct manufacturer of Cast Rollers for over 30 years.
- What kinds of rollers do you manufacture?
- We specialize in producing HSS rollers, Ductile Iron Rolls, SGP rollers, SGA rollers, IC rollers, CC rollers, HCr rollers, AD rolls, AS rolls, GS rolls, and over 20 other types of Rollers and Rings.
- In which applications are Cast Rolls used?
- Cast Rolls are primarily used in High-Speed Wire & Rod, Rod, Narrow Strip Steel, Medium Strip Steel, Section Steel, and various Rolling Mills for Rough Rolling, Intermediate Rolling, and Finishing Rolling Steel production lines.
- Do you offer custom rollers and rings?
- Yes, we can customize rolls based on your drawings and specific requirements.
- Can you recommend suitable rolls based on specific needs?
- Absolutely, we are pleased to recommend the most suitable rolls for your requirements.
- Is it possible to place a trial order to start the business?
- Yes, we accommodate trial orders without any problem.
- How do you ensure the quality of the rolls?
- We conduct multiple inspections to guarantee the quality of our products. Raw material inspection, Inspection at each stage of production, and 100% finished product inspection.
- How are the rolls packaged?
- Rolls are packed using three layers of plastic wrapping and then secured on an iron frame.
- How are the rolls shipped?
- Typically, rolls are shipped by sea from the ports of Shanghai or Ningbo.
- Which countries do Zhonghang Rolls export to?
- Our products are primarily exported to the United States, Russia, Japan, Spain, Malaysia, Turkey, South Korea, and over 10 other countries worldwide.
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US$2,200.00 / Piece
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