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

35-50 HSD Alloy Nodular Cast Iron rolling Rollers AS75I for Blooming mills, large, medium-sized section steel
Product Description
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: AS75I
Detailed Photos
Product Parameters
3.Chemical Composition %
National Standards |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
V |
W |
Code No. |
AS75I |
0.7-0.8 |
0.2-0.7 |
0.7-1.1 |
≤0.035 |
≤0.030 |
0.8-1.5 |
≥0.2 |
0.2-0.6 |
- |
- |
4.Physical Property
Physical Property |
Application |
Code No. |
Roll Barrel Hardness(HSD) |
Roll Neck Hardness(HSD) |
AS75I |
35-50 |
≤45 |
Blooming and slabbing mills;large medium section,rail,section universal bloomers;hot strip breakers and roughers |
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:
Blooming and slabbing mills;
large medium section,rail,section universal bloomers;
hot strip breakers and roughers
Certifications


Packaging & Shipping
Our Advantages
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.
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: Customizing different rolls is up on your drawings and detail requests.
Q: Can you Recommend Suitable Rolls according to the detail requests?
A: 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.
- Raw material inspection
- Each process inspection in production
- 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.