430 Stainless Steel Rolled Coil

Type 430 (UNS S43000) is a ferritic rolled coil stainless steel that has resistance to oxidation up to 1500ºF along with good ductility and corrosion resistance. This alloy is also often polished for cosmetic applications.

430 Stainless Steel Specifications:

ASTM A240 for annealed condition
ASTM A666 for tempered material*

Composition per ASTM A240
Carbon .12 Max
Manganese 1.00 Max
Phosphorus .040 Max
Sulfur .030 Max
Silicon 1.00 Max
Chromium 16.00 -18.00
Nickel .75 Max
Mechanical Properties (Annealed, Per ASTM A240)
UTS 65,000 ksi Min
Elongation % in 2″ 22.00 Min
Rockwell Hardness RB89.00 Max

* Tempered mechanical properties are available upon request.

430 Stainless Steel Applications:


  • Automotive trim and molding


  • Gutters and downspouts
  • Roofing
  • Siding


  • Cooking utensils
  • Dishwashers
  • Ovens
  • Range hoods
  • Refrigerators
  • Skewers

Oil Refinery Equipment

  • Oil burner and heater parts

Chemical Processing

Magnetic Properties:

430 flat rolled stainless steel is magnetic and cannot be hardened by heat treatment.


Type 430 can be readily drawn and formed into most shapes.

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