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Application

Stainless steel strip for heating elements

Heating elements, sheaths and supports for heat.

Thickness 0.05–2.50 mmWidth 3–1250 mmFinishes 2R/BA • 2HAlso on spools

Heating elements

Stainless strip is used for sheaths, fins, supports and foils in heating elements, where oxidation resistance and stability at high temperature are needed.

Sheaths, fins and supports in heating elements operate for thousands of hours at high temperature: uneven thickness creates hot spots where oxidation and distortion concentrate. That is why 3S supplies stainless strip in heat-resistant grades such as AISI 309 and 321, as well as standard austenitic grades, with consistent thicknesses from 0.05 to 0.70 mm (annealed) and up to 2.50 mm (work-hardened) and EN or ASTM tolerances verified at 100%. Uniform slit or deburred edges make fin forming and winding onto supports easier. The 2R/BA finish provides a clean surface. Strip is available on spools for automated lines, in cut lengths and as sheets.

Where it is used

  • Household appliances
  • Industrial heating
  • Furnaces and thermal plants
  • Heating technology

Recommended grades

Supply

ParameterRangeNotes
ThicknessAnnealed 0.05 – 0.70 mm
Work-hardened 0.05 – 2.50 mm
Other thicknesses on request
Width3 – 1250 mmSlitting with sheared or deburred edges
FinishesAnnealed 2R / BA • Work‑hardened 2HCalibrated mechanical properties
FormatsStrip • Narrow strips • Spools • SheetsSheets cut to size up to 1000 mm
SpoolsFrom 15 kg to 1500 kgID 50–400 mm • traverse or parallel winding

Tolerances according to EN ISO 9445 or customer specification. 3.1 certificates on request.

Frequently asked questions

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Which stainless grade best withstands high temperatures?
For elevated temperatures, grades such as AISI 309 or 321 are used, offering better oxidation resistance than 304. The final choice depends on service temperature and atmosphere.
Do you supply narrow strip for fins and ribbons?
Yes, we slit strip from 3 mm wide, with uniform edges, on spools with parallel or traverse winding for automatic machines. Edges can be deburred on request.