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0.5mm 302 Stainless Steel Spring Wire

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0.5mm 302 Stainless Steel Spring Wire

Brand Name : TOPONE

Model Number : 30

Certification : ISO,SGS,Rosh

Place of Origin : China

MOQ : 1000KG

Price : Negotiation

Payment Terms : T/T,L/C

Supply Ability : >1000 Tons per month

Delivery Time : 10-20 days

Packaging Details : Coil/Spool/Pallet/By customer request

Application : Springs/Screw/wire form/Fishing

Diameter : 0.1-12mm

Material : 302

Surface : Bright/Soap Coated

Product name : 0.5mm 302 Stainless Spring Wire

Type : Hard/Soft

Packing : spool,coil

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0.5mm 302 Stainless Steel Spring Wire


    • Engineered for demanding applications requiring superior spring properties, corrosion resistance, and long-term reliability.


TopOne Wire’s 0.5mm 302 Stainless Spring Wire delivers unmatched durability for high-stress applications. Leveraging 30+ years of metallurgical expertise, we supply precision-grade wire trusted by OEMs for critical industrial, automotive, and construction solutions.

(Full range: 0.1mm to 12mm available).



Key Advantages at a Glance

Feature Specification Benefit
Diameter 0.5mm ±0.02mm Precision-calibrated for heavy-load springs & large-scale assemblies.
Material AISI 302 Stainless Steel Superior corrosion resistance (saltwater/chemical exposure).
Tensile Strength 1950-2200 MPa Withstands extreme cyclic loading & high-impact environments.
Surface Finish Bright/Soap Coated Reduces friction, extends spring lifespan.
Certifications ASTM A313, RoHS Compliant Guaranteed aerospace/industrial compliance.
Spool 20~25kg coils Minimizes waste, optimizes production efficiency.


Why Choose Our 1mm Spring Wire?

Industrial-Grade Resilience
Optimized for springs requiring high load capacity (valves, agricultural machinery, suspension systems).

Traceable Quality
Sourced from Tsingshan/Yongxing mills with batch-specific material certifications.

Heat & Corrosion Resistant
Performs in temperatures up to 870°C and harsh outdoor/chemical environments.


Typical Applications

  • Industrial: Conveyor systems, hydraulic valves, heavy equipment

  • Automotive: Suspension coils, clutch springs, brake components

  • Construction: HVAC dampers, seismic bracing, marine hardware

  • Energy: Oil/gas valve springs, turbine components


Order Specifications

Parameter Detail
Standard Diameter 0.5mm
Tolerance ±0.02mm
Spool Weight 20~25kg
Mill Origin Tsingshan, Yongxing (China)
Condition Spring-tempered, annealed
MOQ 1000kg (Sample coils available)

TopOne Wire – Your Partner in Industrial-Grade Spring Solutions.



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