304 Stainless Steel Coil

UNS: S30403
EN-DIN: 1.4306

products & materials

304 Stainless Steel Strip, Coil & Sheet

  • AMS 5513
  • ASTM A313
  • ASTM A240
  • ASTM A580
  • ASTM A666
  • AMS 5511 
precision slitting

304 Stainless Steel Coil, Strip & Sheet Description:

T304 grade stainless has excellent welding and formability characteristics and is one of the most utilized stainless steels. 304L is an extra low carbon grade with a 0.03% max carbon content that eliminates carbide precipitation due to welding.


304 Stainless Uses & Applications:

  • Mining 
  • Cryogenic 
  • Food
  • Dairy  
  • Pharmaceutical equipment 

Nominal Composition


Physical Properties

At 70°FAt 20°C
Modulus of Elasticity (E)x 10³ ksix 10³MPa
Coefficient of Expansionx 10⁻⁶ microinches/in.-°F (70-600°F)μm/m-°C (20-300°C)
Electrical Resistivityμ ohm.inμ ohm.cm
Thermal ConductivityBtu-in./ft.²hr.-°FW/m-K
Typical Room Temperature Mechanical Properties

Typical Mechanical Properties

Typical mechanical properties are based on ASTM A240.

ConditionTensile Strength Min (UTS)0.2% YS MinElongation% in 2” Min (50.8 mm)Hardness Rockwell
Annealed (Min)75 ksi (485 MPa) 25 ksi (170 MPa) 40% 92 HRBW (Max)

* Tempered Properties available upon request

Limitation of Liability and Disclaimer of Warranty:
  • The content in these data sheets is provided primarily by third-party melting mills and is provided for reference only. It is not intended for engineering or design.
  • Applications may be discussed, however, Combined Metals Company, LLC, does not recommend or endorse any material for any particular end use or application.
  • The data included in this data sheet are typical values and may vary.
  • Combined Metals Company, LLC, makes no representations or warranties, express or implied, as to the accuracy, completeness, condition, suitability, performance, fitness for a particular purpose, or merchantability of any information contained in any data sheet.

In no event will Combined Metals Company, LLC, be liable for any damages whatsoever arising from the use of the information included in the data sheets.

Benefits of Working with Combined Metals

Lorem ipsum dolor sit amet, consectetur adipiscing elit, sed do eiusmod tempor incididunt ut labore et dolore magna aliqua. Ut enim ad minim veniam, nostrud exercitation ullamco laboris nisi. Lorem amet, consectetur adipiscing elit,


Coil Calculator

Choose a calculator to find coil weights, coil OD’s, coil footage, and PIW.

The Combined Metals Family of Companies

Explore Our Companies
get in touch

Questions? Contact Our Experts Today.

The Combined Metals Company mission is to safely produce and distribute the best value and the highest quality engineered stainless steel coil and sheet, specialty alloy strip, foil, and wire products and to deliver those products to customers around the world. Give us a call at (800) 323-0758 or fill out the form.

*denotes a required field.