High Carbon Spring Steel Wire for Clutch, Brake and Cushion

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Quick Details

Steel Grade:65Mn
Standard:AISI, ASTM, BS, DIN, GB, JIS
Wire Gauge:0.2mm-13mm
Type:Spring
Application:Manufacturing
Alloy Or Not:Is Alloy
Model Number:65Mn
Other Application:Cushion, shaft, bicycle
Density:7.85g/cm3

Packaging & Delivery

Packaging Details:	according to our export packing standard or customer's requirements 25T/20''Container
Delivery Detail:	15-30 DAYS AFTER RECEIVE L/C OR TT

Specifications

High Carbon spring steel wire
Tensile strength: 1370 to 1770 MPa
Better mechanical property

high carbon spring steel wire for Clutch, Brake and Cushion has an excellent performance of mechanics and good surface condition . Other applications include suspension, shaft, car cushion, bicyle springs etc. The Mn inside the steel gives a higher hardenability of steel wire. The integrated mechanical performance is better than carbon steel wire. That being said, it still have disadvantages, such as overheat sensitivity and temper brittlement. Therefore, it is usually used for all kinds of small size flat and round spring, cushion spring, power spring, brake and clutch spring and so on. The strength, hardness, elasticity and hardenability are all better than 65# steel.

Chemical Composition:

C :0.62~0.70

Si:0.17~0.37

Mn:0.90~1.20

S :≤0.035

P :≤0.035

Cr:≤0.25

Ni:≤0.30

Cu:≤0.25

Mechanical Property:

Tensile Strength(MPa):1200 to 3000

Elongation (%):14~22.5

Reduction of Area (%):less than 10

Hardness:hot rolled,≤302HB;hot rolled plus heat treatment,≤321HB

Tensile Strength:according to customer's requirements

Diameter mm	Deviation mm	Tensile strength MPa
Diameter mm	Deviation mm	B Grade	C Grade	D Grade
0.30	±0.014	2010-2400	2300-2700	2640-3040
0.32	±0.018	1960-2350	2250-2650	2600-2990
0.35		1960-2350	2250-2650	2600-2990
0.40		1910-2300	2250-2650	2600-2990
0.45		1860-2260	2200-2600	2550-2940
0.50		1860-2260	2200-2600	2550-2940
0.55		1810-2210	2150-2550	2500-2890
0.60		1760-2160	2110-2500	2450-2840
0.65	±0.02	1760-2160	2110-2500	2450-2840
0.70		1710-2110	2060-2450	2450-2840
0.80		1710-2060	2010-2400	2400-2840
0.90		1710-2060	2010-2350	2350-2750
1.00		1660-2010	1960-2300	2300-2690
1.20	±0.03	1620-1960	1910-2250	2250-2550
1.40		1620-1910	1860-2210	2150-2450
1.60		1570-1860	1810-2160	2110-2400
1.80		1520-1810	1760-2110	2010-2300
2.00		1470-1760	1710-2010	1910-2200
2.20		1420-1710	1660-1960	1810-2110
2.50		1420-1710	1660-1960	1760-2060
2.80		1370-1670	1620-1910	1710-2010
3.00		1370-1670	1570-1860	1710-1960
3.20	±0.038	1320-1620	1570-1810	1660-1910
3.50		1320-1620	1570-1810	1660-1910
4.00		1320-1620	1520-1760	1620-1860
4.50		1320-1570	1520-1760	1620-1860
5.00		1320-1570	1470-1710	1570-1810
5.50		1270-1520	1470-1710	1570-1810
6.00		1220-1470	1420-1660	1520-1760
6.50	±0.045	1220-1470	1420-1610
7.00		1170-1420	1370-1570
8.00		1170-1420	1370-1570
9.00		1130-1320	1320-1520
10.0		1130-1320	1320-1520
11.0	±0.055	1080-1270	1270-1470
12.0		1080-1270	1270-1470
13.0		1030-1220	1220-1420

Q: What are the different types of steel wire rod surface defect classification and grading systems?: There are several different types of steel wire rod surface defect classification and grading systems, including the ASTM A510/A510M system and the EN 10221 system. These systems classify and grade surface defects based on their type, size, and severity, providing guidelines for quality control and acceptance criteria in the steel wire industry.

Q: How is steel wire rod used in the production of wire for musical instruments?: The production of wire used for musical instruments requires steel wire rod, which serves as an essential component. Through a series of manufacturing processes, the steel wire rod is transformed into the desired wire form. To begin with, the steel wire rod serves as the starting point for creating wire of different gauges needed for various musical instruments. It is typically made from high-quality steel with specific chemical compositions and mechanical properties that ensure the desired strength and durability of the final wire product. Once obtained, the steel wire rod undergoes several processes such as drawing, annealing, and tempering to achieve the desired characteristics. Drawing involves pulling the wire rod through dies, reducing its diameter and increasing its length. This process refines the wire's surface finish and enhances its tensile strength. Annealing is another crucial step that includes heating the wire to a specific temperature and slowly cooling it. This process relieves internal stresses, improves the wire's ductility, and enhances its ability to resonate when used in musical instruments. Following annealing, the wire may undergo further processes like tempering. This involves heating the wire to a lower temperature and rapidly cooling it to achieve specific hardness and springiness. This step is crucial in creating wire with the desired flexibility and responsiveness required for different musical instruments. Once the wire is produced, it can be utilized in the construction of various musical instruments. For instance, steel wire is commonly used in guitar strings, piano wires, and brass instruments. Careful selection of the wire's gauge and composition ensures the desired pitch, tonal quality, and playability of the instrument. In conclusion, steel wire rod is a vital component in the production of wire for musical instruments. It undergoes various manufacturing processes to create wires of different gauges, strengths, and tonal characteristics. These wires are then used in the construction of diverse musical instruments, contributing to the creation of beautiful sounds and melodies.

Q: What are the different packaging options for steel wire rod?: The different packaging options for steel wire rod include coils, bundles, and spools. Coils are circular-shaped packages where the wire rod is wound into a spiral shape. Bundles are typically rectangular-shaped packages where multiple steel wire rods are bundled together and secured with strapping or wire. Spools are cylindrical-shaped packages where the wire rod is wound onto a spool, similar to a thread or yarn spool. These different packaging options allow for easy transportation, storage, and handling of steel wire rod in various industries.

Q: What are the common documentation requirements for steel wire rod?: The common documentation requirements for steel wire rod typically include specifications and standards, test certificates, mill test reports, chemical composition analysis, mechanical properties, dimensional inspection reports, packing lists, shipping documents, and any other specific customer requirements or industry regulations. These documents help ensure compliance, traceability, and quality control throughout the supply chain.

Q: How are steel wire rods used in the manufacturing of wire baskets?: Wire baskets rely heavily on steel wire rods as a vital element in their manufacturing process. These rods play a foundational and structural role in the construction of the baskets. They are typically crafted from high-quality steel, which imparts strength, durability, and resistance to corrosion. When incorporating steel wire rods into the production of wire baskets, the first step entails cutting them to the desired lengths. These lengths can vary depending on the specific size and design requirements of the basket. After being cut, the rods are then shaped into the appropriate form, be it square, round, or rectangular, in accordance with the basket's particular specifications. To assemble the wire basket, the shaped steel wire rods are either interwoven or welded together. This process creates a robust, mesh-like pattern that forms the body of the basket. The interlocking of the wire rods ensures the structural integrity of the basket while allowing for proper ventilation and visibility. The steel wire rods used in wire basket manufacturing can also undergo coating or treatment to enhance their properties. For instance, they can be galvanized to provide a protective layer against rust and corrosion, making the basket suitable for outdoor use or in humid environments. Additionally, the rods can be coated with plastic or vinyl, serving the dual purpose of adding color and preventing scratching or damage to the items stored in the basket. In conclusion, steel wire rods hold immense significance in the manufacturing process of wire baskets as they offer the essential strength and structure required for these versatile storage solutions. Their versatility allows for customization in terms of size, shape, and coating, making wire baskets suitable for an extensive range of applications across various industries, including retail, agriculture, and transportation.

Q: What are the common applications of low alloy steel wire rod?: Low alloy steel wire rod is commonly used in various applications such as construction, automotive, aerospace, and manufacturing industries. It is often used for the production of high-strength fasteners, springs, cables, welding electrodes, and other components that require excellent strength, durability, and resistance to wear and corrosion.

Q: How does the tensile strength of steel wire rod vary with different heat treatment processes?: The tensile strength of steel wire rod can vary significantly with different heat treatment processes. Heat treatment processes such as annealing, tempering, and quenching can either increase or decrease the tensile strength of the wire rod. Annealing, for example, involves heating the wire rod to a specific temperature and then slowly cooling it, which can result in a reduction in tensile strength but an increase in ductility. Tempering, on the other hand, involves reheating the wire rod to a lower temperature after quenching, which can help to reduce brittleness and increase toughness while maintaining a certain level of tensile strength. The specific heat treatment process chosen can therefore have a significant impact on the final tensile strength of the steel wire rod.

Q: What is the difference between hot rolled and cold drawn steel wire rod?: Various industries use hot rolled and cold drawn steel wire rods for different purposes. The manufacturing process is where the main distinction lies. Hot rolled steel wire rods undergo production by heating a billet or ingot to a high temperature. They are then rolled through a series of rollers to achieve the desired shape and dimensions. As a result, they have a larger diameter and a rougher surface finish. Construction, automotive, and machinery sectors commonly utilize hot rolled steel wire rods due to their strength and durability. Additionally, they are more cost-effective than cold drawn wire rods. In contrast, cold drawn steel wire rods are manufactured by pulling the hot rolled wire rod through a series of dies at room temperature. This process produces a smaller diameter and a smoother surface finish compared to hot rolled wire rods. Cold drawn wire rods are frequently used in applications that require precision and a smooth surface finish. Examples include the manufacturing of precision components, automotive parts, and electrical conductors. To summarize, the manufacturing process is the main factor that distinguishes hot rolled and cold drawn steel wire rods. This process affects the diameter, surface finish, and suitability for different applications. Hot rolled wire rods have a larger diameter and a rougher surface finish, while cold drawn wire rods have a smaller diameter and a smoother surface finish. The choice between the two depends on the specific requirements of the application, such as strength, precision, and surface finish.

Q: How is steel wire rod used in the manufacturing of wire rope assemblies for lifting?: Steel wire rod is a crucial component in the manufacturing of wire rope assemblies for lifting as it serves as the raw material for creating the individual wires that make up the rope. The steel wire rod undergoes a series of processes, such as drawing, stranding, and closing, to transform it into a strong and durable wire rope. These wire ropes are then used in various lifting applications, such as cranes, elevators, and suspension bridges, providing the necessary strength and flexibility to safely lift and move heavy loads.

Q: What are the standard impact strength requirements for steel wire rod?: The standard impact strength requirements for steel wire rod vary depending on the specific application and industry standards. However, in general, steel wire rods are expected to possess a high level of impact strength to withstand various loading conditions and prevent failure or deformation. These requirements typically include meeting specific impact energy values, as specified by relevant industry standards or customer specifications.

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