Huzhou Zhonghang Roll Co.,Ltd. have manufacturing Metallurgical Rolls since 1992.
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
1. High-Speed Wire & Rod Mill,
2. Rod & Wire Mill,
3. Narrow Strip Mill,
4. Medium Strip Mill,
5. Section Mill,
6. Other Rolling Mills
Company Profile

Good thermal crack resistance Graphite Steel Rollers (GS190) with 50-65HSD Hardness for hot strip roughing rolls and edger rolls
Product Description
The main character of graphite steel rolls is that it contains a small amount of fine graphite in its microstructure, which will increase its resistance to fire crack and prevent oxidized scales from adhering.
They are suitable for blooming and roughing stands.
1.Product Name: Graphite Steel Roller
2.Product Material: GS190
Detailed Photos
Product Parameters
3.Chemical Composition %
National Standards |
C |
Si |
Mn |
P |
S |
Cr |
Ni |
Mo |
V |
W |
Code No. |
GS150 |
1.4-1.6 |
1.0-1.7 |
0.6-1.0 |
≤0.035 |
≤0.030 |
0.6-1.0 |
0.2-1.0 |
0.2-0.5 |
- |
- |
GS160 |
1.5-1.7 |
0.8-1.5 |
0.6-1.0 |
≤0.035 |
≤0.030 |
0.5-1.5 |
0.2-1.0 |
0.2-0.8 |
- |
- |
GS190 |
1.8-2.0 |
0.8-1.5 |
0.6-1.0 |
≤0.035 |
≤0.030 |
0.5-2.0 |
0.6-2.2 |
0.2-0.8 |
- |
- |
4.Physical Property
Physical Property |
Application |
Code No. |
Roll Barrel Hardness(HSD) |
Roll Neck Hardness(HSD) |
GS150 |
40-50 |
≤50 |
Section mills,bar and wire mills;blooming mills; hot strip roughing rolls and edger rolls;section universal mills . |
GS160 |
45-55 |
GS190 |
50-60,55-65 |
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:
Section mills,bar and wire mills;
blooming mills;
hot strip roughing rolls and edger rolls;
section universal mills .
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.