Chain No. |
Pitch |
Roller diameter |
Pin diameter |
Pin length |
Plate thickness |
Attachment dimensions |
Tensile strength |
P |
d1 max |
d2 max |
L max |
t/T max |
G |
M |
h4 |
h |
T1 |
Q min |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
kN/Ibf |
P500 |
500.0 |
170.0 |
80.0 |
281.0 |
50.0/25.0 |
470.0 |
250.0 |
175.0 |
269.0 |
30.0 |
1900/427419 |
P500F23-00 |
500.0 |
170.0 |
80.0 |
261.0 |
60.0/20.0 |
470.0 |
250.0 |
155.0 |
240.0 |
30.0 |
1600/359680 |
Chain No. |
Pitch |
Roller diameter |
Width between inner plates |
Pin diameter |
Pin length |
Plate thickness |
Plate depth |
Tensile strength |
P |
d1 max |
d5 max |
b1 min |
d2 max |
L max |
T max |
h2 |
Q min |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
mm |
kN/lbf |
P250F168 |
250.0 |
107.0 |
160.0 |
78.0 |
62.0 |
330.0 |
16.0 |
150.0 |
1000/224800 |
P500F1 |
500.0 |
107.0 |
160.0 |
78.0 |
62.0 |
325.0 |
20.0 |
150.0 |
800/179966 |
P500F2 |
500.0 |
107.0 |
160.0 |
76.0 |
62.0 |
310.0 |
16.0 |
150.0 |
700/157470 |
P500F18 |
500.0 |
107.0 |
160.0 |
78.0 |
62.0 |
310.0 |
16.0 |
150.0 |
1000/224800 |
Conveyor chains for steel mills are specialized heavy-duty chains designed to withstand the extreme conditions of steel manufacturing processes, including high temperatures, heavy loads, abrasive debris, and exposure to molten metal splatters or corrosive coolants. These chains play a critical role in transporting raw materials (e.g., iron ore, scrap metal), semi-finished products (e.g., billets, slabs), and finished steel products (e.g., bars, coils) through various stages of steel production-from smelting and rolling to cooling and packaging.
I. Key Operating Conditions and Design Challenges
Steel mills present some of the most demanding environments for conveyor chains, requiring designs that address:
- High temperatures: Chains often operate near furnaces or rolling mills, where ambient temperatures can exceed 300°C, and direct contact with hot steel (e.g., 600-1200°C) is common.
- Heavy loads: Transporting large billets, slabs, or coils (weighing several tons) demands exceptional tensile strength and impact resistance.
- Abrasion and wear: Exposure to abrasive particles (e.g., scale, metal dust, or grit) and friction from rough steel surfaces accelerates wear on chain components.
- Corrosion: Contact with water-based coolants, lubricants, or atmospheric moisture (in cooling zones) can cause rust, especially in unprotected areas.
- Shock loads: Sudden impacts from dropping or shifting materials (e.g., during slab transfer) require chains to resist deformation or fracture.
COMPANY PROFILE
Qingdao Star Machine Technology Co., Ltd. is located in the beautiful coastal city of Qingdao. We are a large enterprise group engaged in researching, production, marketing, and technical services. We have three large research and production bases and one large marketing center specializing in transmission parts, bearings, chains, sprockets, tractor driving axles, and hydraulic steering units. Covering an area of 80,000 square meters, we now have 816 employees, including 167 senior professional technicians, and a global network of sales and service systems. Maintaining good partnerships with Liaocheng University, Qingdao University, Shandong Agricultural University, Shandong University, and the Chinese Academy of Agricultural Sciences, we receive strong technical support from industry experts.
"You provide a request, we'll give you a perfect product".
We uphold the business philosophy "integrity, efficiency, cooperation, innovation", quality first, advanced technology, precision production, integrity management, efficient service, to support our customers with the top quality products and super sophisticated technology.

1. Reliable Quality Assurance System
2. Cutting-Edge Computer-Controlled CNC Machines
3. Bespoke Solutions from Highly Experienced Specialists
4. Customization and OEM Available for Specific Application
5. Extensive Inventory of Spare Parts and Accessories
6. Well-Developed Worldwide Marketing Network
7. Efficient After-Sale Service System
The 219 sets of advanced automatic production equipment provide guarantees for high product quality. The 167 engineers and technicians with senior professional titles can design and develop products to meet the exact demands of customers, and OEM customizations are also available with us. Our sound global service network can provide customers with timely after-sales technical services.
We are not just a manufacturer and supplier, but also an industry consultant. We work pro-actively with you to offer expert advice and product recommendations in order to end up with a most cost effective product available for your specific application. The clients we serve worldwide range from end users to distributors and OEMs. Our OEM replacements can be substituted wherever necessary and suitable for both repair and new assemblies.
Q: Why choose us?
A. We are a manufacturer; we have manufactured valves for over 20 years.
B. Reliable Quality Assurance System.
C. Cutting-Edge Computer-Controlled CNC Machines;
D. Bespoke Solutions from Highly Experienced Specialists.
E. Customization and OEM Available for Specific Application.
F. Extensive Inventory of Spare Parts and Accessories;
G. Well-Developed Worldwide Marketing Network;
H. Efficient After-Sale Service System
Q. What is your payment term?
A: 30% TT deposit, 70% balance T/T before shipping.
Q: Can we print our logo on your products?
A: yes, we offer OEM/ODM service, we support the customized logo, size, package,etc.
Q: What is your main market?
A: North America, South America, Eastern Europe, Western Europe, Southeast Asia, Africa, Oceania, Middle East, Eastern Asia.
Q: Can I get samples from your factory?
A: Yes, Samples can be provided.