Ningbo Huayuan Metal Products Co.,Ltd
| Payment Terms | L/C,T/T |
| Surface Treatment | Bright/Soap-coated |
| Packing | Coil/Pallet |
| Application | Compression/Torsion/Extension Spring |
| Type | Hard |
| Grade | 302 |
| Delivery Time | 10-20 days |
| Diameter | 1.2mm |
| Supply Ability | ＞1000 Tons per month |
| Standard | JIS,EN,ASTM,AISI ,DIN,GB |
| Tensile Strength | 1750-2050N/mm2 |
| Packaging Details | Coil/Spool/Pallet/By customer request |
| Model Number | 302 |
| Certification | ISO,SGS,RosH |
| Brand Name | TOPONE |
| Place of Origin | China |
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Product Specification
| Payment Terms | L/C,T/T | Surface Treatment | Bright/Soap-coated |
| Packing | Coil/Pallet | Application | Compression/Torsion/Extension Spring |
| Type | Hard | Grade | 302 |
| Delivery Time | 10-20 days | Diameter | 1.2mm |
| Supply Ability | ＞1000 Tons per month | Standard | JIS,EN,ASTM,AISI ,DIN,GB |
| Tensile Strength | 1750-2050N/mm2 | Packaging Details | Coil/Spool/Pallet/By customer request |
| Model Number | 302 | Certification | ISO,SGS,RosH |
| Brand Name | TOPONE | Place of Origin | China |
| High Light | 1.2mm stainless steel spring wire ，302 SS compression spring steel ，torsion extension spring steel wire | ||
TOPONE 302 stainless steel spring wire is a 1.2 mm diameter spring wire designed for compression, torsion, and extension spring applications. The material is suitable for spring components that require controlled wire dimensions and consistent forming characteristics.
As an austenitic stainless steel spring wire, 302 grade is commonly selected for formed spring components used in industrial hardware, mechanical assemblies, equipment parts, and other applications where stainless steel wire is required.
The selection of stainless steel spring wire should consider the material grade, wire diameter, spring design, working load, deformation type, surface condition, and operating environment. For customized spring requirements, these parameters should be confirmed before production.
| Item | Specification |
|---|---|
| Product Type | Stainless Steel Spring Wire |
| Material Grade | 302 Stainless Steel |
| Wire Diameter | 1.2 mm |
| Spring Type | Compression Spring, Torsion Spring, Extension Spring |
| Surface | Bright |
| Material Condition | Spring Wire |
| Application | Industrial Springs and Formed Spring Components |
| Standards | ASTM, AISI, DIN, EN, JIS, GB |
| Packing | Coil or customized packing |
| Brand | TOPONE |
| Origin | China |
302 stainless steel is an austenitic stainless steel grade commonly used for wire and spring applications. Its material characteristics make it suitable for forming spring components in different mechanical assemblies.
The 1.2 mm diameter provides a defined starting dimension for spring production. Final spring performance depends on additional design parameters such as coil diameter, number of active coils, free length, working deflection, spring index, and operating load.
This 302 stainless steel spring wire can be used for compression, torsion, and extension spring production. The appropriate spring design should be selected according to the direction of applied force and the working conditions of the finished component.
302 stainless steel spring wire can be used to manufacture various formed spring components.
Compression springs are designed to resist compressive loads and return toward their original length after the applied load is released. Typical applications include mechanical assemblies, switches, equipment components, and industrial hardware.
Torsion springs are designed to generate torque when their legs are rotated. They can be used in mechanical mechanisms, clips, hinges, levers, and other components requiring rotational force.
Extension springs operate under tensile loading and are designed to resist pulling forces. They are commonly used in mechanisms where the spring needs to return a component toward its original position.
Selecting spring wire should be based on the design and working conditions of the finished spring rather than wire diameter alone.
Select the stainless steel grade according to the required mechanical characteristics, corrosion requirements, forming process, and operating environment.
Wire diameter directly affects spring geometry and load characteristics. For this product, the listed wire diameter is 1.2 mm.
Identify whether the finished component is a compression, torsion, or extension spring. Different spring types apply force in different directions and require different design parameters.
For customized spring production, provide parameters such as wire diameter, coil diameter, free length, number of coils, working length, and required load where applicable.
Temperature, humidity, exposure to chemicals, cyclic loading, and other working conditions should be considered when selecting stainless steel spring wire for a specific application.
The 302 grade provides a defined material specification for spring wire applications and can be selected according to the requirements of the finished spring component.
The 1.2 mm wire diameter is suitable for spring manufacturing where this specific wire size matches the required spring design.
The wire can be used for compression, torsion, and extension spring applications, covering different spring force directions and mechanical structures.
For customized spring requirements, specifications such as wire diameter, spring dimensions, material grade, and working conditions can be reviewed before production.
For stainless steel spring wire, dimensional control, material grade, surface condition, and mechanical properties are important factors during spring manufacturing.
Wire diameter should be checked against the specified size, while the material grade and supply condition should correspond to the intended spring-forming process. For customized requirements, the finished spring design and operating conditions should be provided so that the appropriate wire specification can be confirmed.
This product is made from 302 stainless steel.
The listed wire diameter is 1.2 mm.
The wire can be used for compression springs, torsion springs, and extension springs.
302 stainless steel is commonly used for stainless steel wire and spring applications. The suitability of a specific grade should be evaluated according to the spring design, working load, operating environment, and required service conditions.
Useful information includes material grade, wire diameter, spring type, coil diameter, free length, number of coils, working load or deflection, surface requirement, quantity, and application.
To confirm the appropriate stainless steel spring wire specification, customers can provide:
Material grade
Wire diameter
Spring type
Coil diameter
Free length
Number of coils
Working load or deflection
Surface requirement
Quantity
Application
Packing requirements
Company Details
Business Type:
Manufacturer
Year Established:
1993
Total Annual:
>7000000-8000000
Employee Number:
>1000~2000
Ecer Certification：
Verified Supplier
What We Do As the most reliable and trustworthy factory in the stainless steel wire industry of China, Huayuan Metal manufactures stainless steel wires constant in quality and favorable in price for purchasers all around the world. Our advanced logistics solutions provide a guarantee for ou... What We Do As the most reliable and trustworthy factory in the stainless steel wire industry of China, Huayuan Metal manufactures stainless steel wires constant in quality and favorable in price for purchasers all around the world. Our advanced logistics solutions provide a guarantee for ou...
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