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Spring Wire & Piano Wire Series

Spring Wire & Piano Wire Series
Premium Wire

Kairos offers a wide range of high-end spring wires including stainless steel wire, piano wire, hard drawn steel wire, oil tempered wire, alloy steel wire, shaped wire, and more, meeting diverse industrial requirements.

Corrosion Resistant
Consistent Strength
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Application
  • Automotive
    Automotive valve springs
  • Instruments
    Precision instruments
  • Electronic
    Electronic devices
  • Medical
    Medical equipment
  • Aerospace
    Aerospace components
Highlights
Complete material certifications compliant with international standards Diameter range from ultra-fine 0.009mm to 12.00mm Multiple surface treatment options for different environmental needs Designed for high-stress and high fatigue life applications Support for customized production and special testing requirements
Specification

Name

Detail

Stainless Steel Spring Wire

Materials: SUS304, SUS302, SUS316, INS307H, NAS316H1, SUS631J1, 301H, 301EH, SUS329J4L, SUS430, etc.

Surface Treatment: Ni-Coated, Ni-Bright, Soap Coated, Non-Coated (Bright), Copper Coated

Standards: JIS G4314, EN 10270-3, ASTM A313

Diameter Range: 0.03mm ~ 4.5mm

Piano Wire/Hard Drawn Steel Wire

Materials: SWP-A, SWP-B, SWP-H, SWP-U, SWP-V, SWP-EX, SWP-EX2, SWC, SWHSC-A

Standards: JIS G3521, JIS G3522, EN10270-1, ASTM A227, A228

Diameter Range: 0.009mm ~ 8.00mm

Oil Tempered Wire for Valve Springs

Materials: SWOSC-V, SWOSC-VH, SWOSC-VHV, SWOSC-VHS, SWSC-VHR

Features: Eddy Current Test compatibility

Standards: JIS G3561

Diameter Range: 0.4mm ~ 8.00mm

European Standard Piano Wire

Standards: DIN 17233, EN10270-1

Diameter Range: 0.07mm ~ 10.00mm

Copper Alloy Spring Wire

Materials: C5191W, C5212W, C1720W

Standards: JIS H3270

Diameter Range: 0.03mm ~ 12.00mm

Other Special Materials

Dot pin wires for dot matrix printer heads

Nickel alloy wires

Various shaped wires
Application Verticals
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