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301 Spring Tempered Stainless Steel Strip Coil – UNS S30100 & UNS S30116

UNS 30100, UNS 30116, ASTM A666

301 spring tempered stainless strip and slit coil is a desired alloy for constant force springs and other applications where high tensile strength and corrosion resistance is needed.  Gibbs Interwire is known as the ‘301’ supplier to the Spring Industry.  We lead the Industry with our ability to process extremely narrow widths with a round edge. 

Gibbs Interwire stocks 301 Stainless Strip in gauges from 0.0019″ to 0.050″ precision slit to extremely narrow widths from 0.024″ to 12″. Type 301 is available in a variety of tempers including 1/4 hard, 1/2 hard, 3/4 hard, full hard, spring temper, extra full hard, and high yield 270 ksi min tensile, and 301 high silicon.

  • Gauges From: 0.0019”- .062” / 0.0381mm – 1.57mm
  • Widths From: 0.024” – 24” / 0.6096mm – 609.6mm
  • Edging: Round, Square, Broken Corner on widths as narrow as .040″
  • Oscillate/Traverse Reels and Spools Available
  • Extremely narrow widths with closer than standard tolerances
  • Supplying Industries Including:
    • Springs
    • Automotive
    • Electronics
    • Oil & Gas
    • Aerospace
    • Medical
    • Fastener
    • Consumer and Building Products
    • Power Generation
  • 60+ Years of Strip Innovation, Service, & Expertise
  • Strip Available From 7 Locations in the U.S., Mexico, and Canada

Slit & Edge Capabilities

Slit & Edge Capabilities

Monthly Surcharges

Monthly Surcharges

Oscillate Winding

Oscillate Winding

Coil Calculators

Coil Calculators

Quality & Certification

Quality & Certification

Minimum Room Temperature Mechanical Properties, ASTM A240 and A666 Specifications

ConditionTensile Strength, Min. Ksi (MPa)0.2% Yield Strength, Min. Ksi (MPa)Elong. In 2" (50mm)%, Min.
Annealed75 (515)30 (205)40
1/4 Hard125 (862)75 (517)25
1/2 Hard150 (1,034)110 (758)18*
3/4 Hard175 (1,207)125 (931)12*
Full Hard185 (1,276)140 (965)9*
*Value shown for thickness greater than 0.015 in. (.038mm)

301 Stainless Steel Strip

301 stainless strip, ASTM-A-666, is slightly lower in chromium and nickel content than Type 302. The lower nickel content causes Type 301 to work harden more rapidly and retain greater ductility than the same temper of Type 302. Gibbs Interwire stocks 301 Stainless Strip in gauges from 0.0019″ to 0.050″ precision slit to widths from 0.024″ to 12″. Type 301 is available in a variety of tempers.  View Stock Items

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301 High Yield and 301si Stainless Steel Strip

301 High Yield or Extra Full Hard, ASTM A-666, issued for special applications requiring extra high strength and hardness. This extra high strength material has a minimum tensile strength of 270,000 PSI. Gibbs Interwire stocks 301 High Yield Strip in gauges from 0.0019″ to 0.032″ precision slit to widths from 0.024″. Type 301 High Yield is sold to AMS5519 – Chemical properties only.  View Stock Items

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Gibbs Interwire is an ISO 9001:2015 Processor and Distributor of Strip Coil and Wire Products in Stainless Steel, Carbon Steel, Nickel Alloys, and Red Metals

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Certifications & Associations

ISO 9001:2015 Bureau Veritas Certification SAE International ASTM Reach Regulation Chicago Association of Spring Manufacturers, Inc. PMA | Precision Metalforming Association American Brush Manufacturers Association Air Duct Council New England Spring and Metal Stamping Association Spring Manufacturers Institute

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  • All deliveries use 4 Metals Drive, Plantsville, CT 06479
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