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.
Alloy Cast Steel Rolls have high hardness and good wear resistance, which can maintain stable rolling effects during long-term rolling processes and extend the service life of the rolls. The alloy composition of alloy steel rolls can be adjusted according to specific process requirements, making it suitable for different rolling processes and rolling materials, and has strong adaptability and flexibility.
1.Product Name: Alloy Cast Steel Rolls
2.Product Material: AS70II






3.Chemical Composition %
National Standards | C | Si | Mn | P | S | Cr | Ni | Mo | V | W |
Code No. | ||||||||||
AS70II | 0.65-0.75 | 0.2-0.45 | 1.4-1.8 | ≤0.035 | ≤0.030 | - | - | 0.2-0.45 | - | - |
4.Physical Property
Physical Property | Application | ||
Code No. | Roll Barrel Hardness(HSD) | Roll Neck Hardness(HSD) | |
AS70II | 35-45 | ≤45 | small, medium-sized Section Steel, roughing mill for rod and wire |



5.Advantages:
1). almost no hardness gradient in the working layer
2). excellent resistance to fire crack
3). good wear resistance and good toughness
6. Application:
small, medium-sized Section Steel,
roughing mill for rod and wire





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
Q: How are the rolls packaged?
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.