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Sales Market:
We provide leaf spring products to well-known OEM truck manufacturers such as SINOTRUK and T-KING. Our products have been successfully exported to many countries and regions such as the United States, Russia, South Korea, Vietnam and the United Arab Emirates.
Production Capacity:
Our annual output of leaf springs is 30,000 tons, coil springs is 200,000 pieces, and stabilizer bars is 100,000 pieces.
OEM Service:
We can customize leaf springs, coil springs and stabilizer bar kits according to drawings or samples provided by customers.
Quality Assurance:
We promise to provide a 12-month quality assurance service for the products we provide.
We offer custom coil spring manufacturing solutions to meet your needs. Key customizable options:
● Material
● Wire size
● OD
● Length
● Number of turns
● Helical direction
● Surface treatment
● End configuration
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Size |
Customized Sizes |
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Surface treatment |
Nickel/zinc/chrome plated/heat/spaying |
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OEM/ODM |
Offer |
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Wire diameter or thickness |
0.2~85mm |
Our Company Has More Products to Offer, Please Browse the Product Categories on the Website, If You Have Any Needs, Please Contact Us.
Coil Spring Suitable for Korean Car 54630 2E000
Our Coil Spring is carefully crafted to suit Korean cars, specifically the 54630 2E000 model. Designed with precision and innovation, it offers a host of features and benefits that set it apart from other products in the market. Our Coil Spring is made from high-quality steel. This material is well-known for its durability and strength.
Coil Spring Suitable for Korean Car 54630 4H000
The Coil Spring Suitable for Korean Car 54630 4H000 is a product that is designed to meet the specific performance requirements of Korean cars. Our product is manufactured to meet stringent quality standards, ensuring a long-lasting, reliable component for your customers.
Coil Spring Suitable for Korean Car 54630 2B120 DC
As a leading manufacturer of high-quality automotive parts in China, we are proud to introduce our latest product - the Coil Spring Suitable for Korean Car 54630 2B120 DC. Our Coil Spring is made from premium quality raw materials and crafted using advanced manufacturing techniques. This ensures that it is strong, durable, and can withstand the most demanding of driving conditions.
Coil Spring Suitable for Korean Car 55300 2E600
Our Coil Spring Suitable for Korean Car 55300 2E600 is designed to fit perfectly with Korean cars. This spring is a genuine part with OEM specifications, providing an exact fit for the car. This ensures that our product is not only of high quality, but also very reliable, leading to customer satisfaction.
Coil Spring Material
High carbon:
High carbon wire types include music wire and hard drawn wire. Music wire is often used in tools, while hard drawn wire is often used in commercial products. High carbon wire does not usually do well in high-temperature and corrosive environments, however.
Steel alloys:
Steel alloys are another common choice for coil springs and include materials like chrome silicon, which is often used in large coil springs. While more accepting of high temperatures, these materials are still prone to corrosion.
Closed and Squared Ends
The last coil is closed touching the previous coil closed and squared ends is the most economical of all end types and works well for standing up normal size springs. Closed and squared ends do NOT work well if you have a spring with a small outer diameter you should choose closed and ground ends so it will stand up vertically straight.
Closed and Ground Ends
The last coil is closed and ground flat touching with the previous coil. Closed and ground ends help the spring stand up vertically straight. This type of end lets your spring stand up straight and gives an even surface of contact to the spring base.
Double Closed Ends
The last two coils on each end are closed to help stabilize the top and bottom of the spring. Double closed ends aids your springs footing especially when you have a large outer diameter coupled with a fine or smaller diameter wire when compressing or traveling to stacked height where all the coils are touching. Double closed ends help your spring ends from sliding over or slipping under the previous coil, it keeps the coils stacked up on top of each other correctly.
Open Ends
The ends of the spring are open and have space or pitch in-between them. This is a good option if you need more force out of your spring but don't have the room for it. An open ended spring makes all of your coils active thus getting the all the force out it. This kind of spring end requires that you place it in hole or on a shaft to make it work.
Where the free length of a coil spring exceeds four times the mean diameter, lateral deflection or buckling becomes notice able during compression.
Piloting and guiding on the O.D. or I.D. helps correct this problem, although friction against a supporting member may be objectionable due to possible scoring and affected load reading.
For springs with squared and ground ends, one end on a plate and the other on a ball, objectionable buckling will occur when the coordinates are to the right of line 1.
Objectionable buckling will occur to the right of line 2 when springs with squared and ground ends are compressed between parallel plates, as on a spring testing machine.
When possible the spring should be designed so the end of the coils (tip ends) are 180° apart. This is accomplished by having the number of coils active and inactive always end on the half coil (i.e., 4.5 active and 6.5 total).
This allows for even distribution of the spring material preventing the spring from buckling sooner than shown on the graph above. This condition also helps prevent the spring from going out of square under load.
Hot Wound Springs
In hot wound coiling, the material is heated to austenitic temperatures of over 1550F, formed on the coiler, and then quenched in oil to form martensite. Next, the springs are tempered to change the microstructure to a tempered martensite which provides strength to achieve the desired spring performance and ductility to withstand the operation. Hot wound coiling is usually for larger bars sizes over 0.500" (12 mm).
Every bar and every spring in a lot goes through the entire length of the furnaces. This means that each bar, and therefore each spring, gets a consistent heat treatment and is not dependent on its position in the furnace. This is a distinct advantage over batch processes where each spring receives a different heat treatment depending on where and when the material is placed in the furnace.
Cold Wound Springs
Cold coiled springs are made from fully heat-treated material and then stress relieved to remove the stresses induced during the coiling process. Springs can coil up to 0.625" (15.8 mm) in Chrome Silicon and Oil Tempered Wire.
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Packaging |
Inner packing with plastic bags, and then carbon boxes for outer packing, at last wooden or plastic pallets for request |
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Transportation |
Air transport, sea transport, road transport, rail transport |
We're known as one of the most professional coil spring manufacturers in China. Please feel free to wholesale high quality coil spring made in China here from our factory. For customized service, contact us now.
Coil Spring Suitable for Korean Car 54630 2B120 DC, Coil Spring Suitable for Korean Car 54630 3J100, Coil Spring Suitable for Korean Car 54630 2E000(0/10)
