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300 series stainless steel
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300 series stainless steel

  The 300 series stainless steels are classified as austenitic and are hardenable only by cold working methods. 

  These grades of stainless have approximately 18% to 30% chromium and 6% to 20% nickel as their major alloying additions. 

  This series of stainless steel alloys are known to resist corrosion while maintaining their strength at high temperatures. 

  While the 304 grade is the most widely used alloy of all stainless steels, the 300 series grades are inventoried in stainless steel plate, sheet, bar, pipe, tube and fittings and much more.

Classifications of 300 series stainless steel

304 stainless steel is a general-purpose stainless steel that is widely used to make equipment and machine parts that require good overall performance (corrosion resistance and formability). 

301 stainless steel exhibits significant work hardening during deformation and is used in a variety of applications requiring higher strength. 

302 stainless steel is essentially a variant of 304 stainless steel, which has a higher carbon content and can be cold rolled to achieve higher strength.

302B stainless steel is a stainless steel with a high silicon content, which has high resistance to high temperature oxidation. 

303 and 303Se stainless steels are free-cutting stainless steels containing sulfur and selenium, respectively, and are used in applications that require mainly free-cutting and high surface finish.

304N stainless steel is a nitrogen-containing stainless steel, nitrogen is added to improve the strength of the steel. 

305 and 384 stainless steel contains high nickel, its work hardening rate is low, suitable for a variety of applications requiring high cold formability.

321 and347  stainless steel are titanium, niobium and tantalum, niobium stabilized stainless steel, suitable for high temperature use of welded components.

348 Is a stainless steel for the nuclear power industry, the combination of tantalum and drill has a certain limit.

Composition of 300 series stainless steel

Composition Cr Ni Mn C Si P
Percentage % 18-20 8-10.50 2.00 max 0.08 max 0.030max 0.045 max

300 series stainless steel Mechanical Property

Ultimate Tensile Strength psi 95000
0.2% Offset Yield Strength psi  4000
Percent Elongation in 2 inches 50
Hardness Rockwell B80

Specification of 300 series stainless steel




1000mm~8000mm or customized




50mm~2000mm or customized

Place of Origin






construction Chemical,electric power, boiler



Processing Service

Bending, Welding, Decoiling, Punching, Cutting

Steel Grade

301L, 301, 304N, 310S, S32305, 316Ti, 316L, 316, 321,  314, 347, 309S, 304, 204C2,, 304L, 370, 301LN, 305, 304J1, 317L

Surface Finish


Product name

Stainless Steel Sheet




Cold Rolled Finish


Staninless Steel Sheet


Flat Steel Plate







Applications of 300 series stainless steel

300 series stainless steel are used predominantly in:Automotive industry,Aerospace industry,Construction industry.
The table below shows common types of 300 series steel:

300 Series Applications:
Type 301 High strength grade, with resistance to atmosphere corrosion. Its bright, attractive surface make it an excellent choice for decorative structural applications.
Type 302 Used for a wide variety of home & commercial applications. One of the most familiar & frequently used alloys in the stainless steel family. Examples include Refrigerators, Dishwashers, and Washing machines
Type 303 A non-magnetic austenitic stainless steel specifically designed to exhibit improved machinability. Medical and pharmaceutical components and parts are common applications.
Type 304 Used for a wide variety of home and commercial applications. One of the most familiar & frequently used alloys in the stainless steel family. Common applications include Sanitary, Cryogenic, and Pressure-containing applications, Home and commercial appliances, Tank structural parts and processing equipment
Type 305 Used for a wide variety of applications. Another frequently used alloy, including applications where good corrosion resistance & excellent drawing ability is needed. Examples include Writing instruments, Utensils, Tank covers and drawn housings

other products

5 8 stainless steel rod 1/2 stainless steel rod
1 4 inch stainless steel rod 10mm stainless steel rod
1/2 in stainless steel rod 12mm stainless steel rod
1/4 in stainless steel rod 5 32 stainless steel rod
316 stainless steel rod stainless steel brazing rod
stainless steel threaded rods stainless steel shower curtain rod
3/16 inch stainless steel rod stainless steel shower rod
304 stainless steel rod welding rods for stainless steel

export country

We are a well known worldwide supply and export 300 series stainless steel in following countries:,Italy, Philippines, France,Ireland, Portugal, Gambia, Thailand, Ukraine, United Kingdom, Netherlands, South Africa, Spain, Turkey, Libya, Romania, Puerto Rico, Azerbaijan, United Arab Emirates, Pakistan, Ghana, Slovakia, Germany, Saudi Arabia, Afghanistan, Bolivia, Switzerland, Bangladesh, Taiwan, Oman, Egypt, Greece, Norway, Singapore, Bulgaria, Estonia, Belgium, Yemen, Hong Kong, Ecuador, Sri Lanka, Nepal, Belarus, Finland, Gabon, Iran, Canada, Argentina, Lebanon.

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