- UNS: S30400
EN-DIN: 1.4306
304 Stainless Steel Strip, Coil, & Sheet
products & materials
UNS S30400 Stainless Steel Strip, Slit Coil, & Sheet
- AMS 5513
- ASTM A313
- ASTM A240
- ASTM A580
- ASTM A666
- AMS 5511
description
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. 304 strip coil is an extra low carbon grade with a 0.03% max carbon content that eliminates carbide precipitation due to welding. 304 stainless steel strip, coil, and sheet can be used for a variety of applications.
applications
304 Stainless Uses & Applications:
- Mining
- Cryogenic
- Food
- Dairy
- Pharmaceutical equipment
Nominal Composition
| C | Mn | P | S | Si | Cr | Ni | N | Fe | |
|---|---|---|---|---|---|---|---|---|---|
| MIN | – | – | – | – | – | 17.5 | 8.0 | – | – |
| MAX | 0.030 | 2.0 | 0.045 | 0.030 | 0.75 | 19.5 | 12.0 | 0.10 | BAL |
Physical Properties
| At 70°F | At 20°C | |
|---|---|---|
| Density | lb./in³ | g/cm³ |
| Modulus of Elasticity (E) | x 10³ ksi | x 10³MPa |
| Coefficient of Expansion | x 10⁻⁶ microinches/in.-°F (70-600°F) | μm/m-°C (20-300°C) |
| Electrical Resistivity | μ ohm.in | μ ohm.cm |
| Thermal Conductivity | Btu-in./ft.²hr.-°F | W/m-K |
Typical Room Temperature Mechanical Properties
Typical Mechanical Properties
Typical mechanical properties are based on ASTM A240.
| Condition | Tensile Strength Min (UTS) | 0.2% YS Min | Elongation% 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.
304 Stainless Steel Explained
304 stainless steel is a widely used and versatile material in the stainless steel family. Its popularity stems from its unique combination of properties, making it suitable for a broad range of applications.
Composition – This austenitic stainless steel primarily consists of:
- Iron as the base metal
- Chromium for corrosion resistance
- Nickel for structure and properties
Small amounts of other elements may be present to enhance specific characteristics. The standard grade contains a modest amount of carbon, while variants with higher or lower carbon content exist for particular uses.
Key Properties – 304 stainless steel boasts several advantageous properties:
- Corrosion Resistance: Performs well in many corrosive environments
- Heat Tolerance: Maintains integrity at elevated temperatures
- Formability: Easily shaped and welded
- Non-Magnetic: In its annealed state
- Strength: Can be hardened through cold working
Physical Characteristics – Some notable physical attributes of 304 stainless steel include:
- A density similar to other steels
- High melting point
- Moderate thermal expansion
- Good elasticity
- Relatively low thermal conductivity
- Moderate electrical resistivity
Applications – The versatility of 304 stainless steel lends itself to numerous applications:
- Food industry equipment
- Kitchen appliances and utensils
- Architectural features
- Industrial machinery components
- Fasteners and hardware
- Automotive & Transportation parts
Its use extends even to specialized fields like aerospace, demonstrating its wide-ranging capabilities.
Variants – Two main variations of 304 stainless steel exist:
- A low-carbon “304L” version, ideal for welding applications
- A high-carbon version, suited for high-temperature use
304 stainless steel’s balanced mix of corrosion resistance, strength, and workability makes it a go-to material across various industries. From everyday items to specialized industrial applications, its versatility continues to make it a popular choice in the world of materials.304 stainless steel is a widely used and versatile material in the stainless steel family. Its popularity stems from its unique combination of properties, making it suitable for a broad range of applications.
Combined Metals: Who We Are
Combined Metals Company (formerly Combined Metals of Chicago ) processes and distributes over 75 alloys of precision strip and wire. Our precision rolling mills, drawing mills, and extensive network of independent North American service centers, support thousands of customers in many industries including Aerospace, Automotive, Chemical, Consumer, Defense, Electronics, Medical, Oil/Gas, and Power Generation, worldwide.
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