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ISO Approved Manufacturer & Exporter of ASTM A276 AISI 303 Stainless Steel Round Bars.

ASTM A276 AISI 303 Stainless Steel Round Bars

As a steel manufacturing industry, Neminox steel and engineering provides authentic and genuine products. We make sure that all our products are being tested before and after production. We offer a vast range of ASTM A276 Stainless steel bars.

UNS S30300 SS Bars are generally very stable in structure. These bars help in the maintenance of mechanical and chemical properties that occur due to sulfur presence. These Stainless steel 303 round bars are made of 8% nickel and 18% chromium compound that dispenses long-lasting tool life and elasticity. 

Austenitic Stainless Steel 303 Round Bar, Stainless Steel 303 Rods, SS 303 Round Bar, SUS 303 Round Bar, Manufacturer of Extensive Range Stainless Steel 303 Round Bar, ASTM A276 SS 303 Square Bars, Stainless Steel 303 Hex Bars, SS 303 Rods Supplier, AISI SS 303 Round Bar, SS UNS S30300 Bar Distributor in Mumbai, India.


These AISI 303 Stainless Steel Hex Bars offer excellent machinability, and hence these are recommended for industrial uses. Annealing is the most advocate method for this grade. The process must take place at a temperature of 950°C. 

ASTM A276 AISI 303 stainless steel round bars also provide good resistance from oxidation up to the temperature of 927°C. The estimated suitable working temperature for SS DIN 1.4305 Round Bar is 760°C because it has a low carbon compound. 


Types Of Grade ASTM A276 Round Bar

Inconel Round Bar Supplier

ASTM A276 SS Round Bar

Inconel 600 Hex Bar Supplier

AISI 303 Stainless Steel Hex Bar

Inconel Flat Bar Supplier

SS 303 UNS S30300 Flat Bar


Welding and other heat methods are not recommended for these bars. There are different shapes such as square bars, diamond, and flat. 303 SS round bars are available in various sizes, and we also have customized options. The tensile strength of these bars is 85000 Psi, and the yield strength is 45000 Psi. These bars are highly resistant to corrosion, crevice corrosion, and stress corrosion cracking. 

Application: The application of stainless steel 303 alloy is exceedingly used in industries where strength and flexibility are prioritized. For example, They're highly used in the bushing, shafts, bolts, nuts, gears, electrical switchgear components, aircraft fittings, etc. 

There are four typical types of ASTM A276 AISI 303 Stainless Steel Round Bars

  • Round bars: Diameter- 4mm to 500mm
  • Square bars: 18mm to 47mm
  • Hex bars: 18mm to 57mm
  • Flat bars 

  • ASME SA276 SS 303 Forged Bar, SS DIN 1.4305 Round Bar, 303 Stainless Steel Flat Bars, 3 mm Diameter SS 303 Round Bar Exporter, Buy Stainless Steel 303 Bright Bar, 303 SS Polish Bar Stock, 9/16" Stainless Steel 303 Round Bar, SS 303 Threaded Bar, SS 303 Cold Finish Round Bar Dealer, Steel 303 Round Bar Manufacturer in India.


    SS 303 Round Bar Equivalent Grade

    Grade DIN UNS SUS Inox
    SS 303 1.4305 S30300 303 303

    Specifications of 303 SS Round Bar

    Specifications : ASTM A276, ASME SA276
    Standard : ASTM, ASME
    Grade : Stainless Steel 303 (UNS S30300)
    Range : 3.17mm to 350mm dia
    Thickness : 3mm up to 600mm
    Length : 2mm to 6000mm
    Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
    Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish

    Stainless Steel 303 Round Bar Chemical Composition

    Grade C Cr Mn Ni P S Si
    303 Round Bar .15 max 17.0- 19.0 2.0 max 8.0 -10.0 0.20 max .15 min 1.00 max

    SS 303 Round Bar Mechanical Composition

    Element Tensile Strength Yield Strength Elongation Reduction in Area Hardness
    SS 303 Psi – 85,000 Psi – 45,000 50% 55% Rb 180

    Applications :-

    •   Refineries
    •   Thermal pipe plants
    •   Pharmaceutical industry
    •   Oil Refineries
    •   Textile Industries
    •   Nuclear plants
    •   Chemical Industries
    •   Dairy Products
    •   Power Plant
    •   Food Products
    •   Petrochemicals industry
    •   Sugar industry
    •   Engineering industry
    •   Chemical industry


    ASTM A276 / A479 Stainless Steel 303 Round Bar / Rods other Available Types

    Stainless Steel 303 Round Bar SS 303 Round Bar
    Stainless Steel 303 Bright Bar ASTM A276 SS 303 Polish Bar
    303 Stainless Steel Hex Bars ASME SA276 Stainless Steel 303 Forged Bar
    SS UNS S30300 Bars & Rods Stainless Steel 303 Square Bars
    Stainless Steel 303 Flat Bar Distributor ASME SA479 SS 303 Rectangular Bar
    SS 303 Cold Finish Round Bar Manufacturer Stainless Steel DIN 1.4305 Black Bar
    Stainless Steel SUS 303 Square Bars Stainless Steel Inox 303 Threaded Bar
    303 Stainless Steel Rods Supplier Stainless Steel 303 Half Round Bar
    ASTM A479 Stainless Steel 303 Hexagonal Bar Stainless Steel 303 Cold Drawn Round bar
    SS 303 Pump Shaft Quality Bar Stockist 303 Stainless Steel Triangle bar
    Stainless Steel 303 Rod Exporter Stainless Steel 303 Bar Dealer

    Neminox Steel & Engineering Co. offers the wide range of Industrial metal and steel products like pipes, tubes, sheets, plates, rods, bars, weld, flanges, forges & pipe fittings in various materials. Since two decades, we have led as a reliable exporter, supplier, trader and stockist of industrial steels in the world-wide market. We can also provide custom required as per your cut & full length, sizes, hardness and grades at the most competitive prices. Neminox Steel & Engineering Co. is ISO 9001:2015 approved manufacturer in India. We export the standard quality with swift delivery services to countries like USA, Indonesia, Thailand, Mexico, Vietnam, Philippines, Malaysia, Algeria, UK, UAE, Saudi Arabia, Africa, European and Middle East Countries. Just contact us or put your requirement in our Enquiry Form, will get back to you quickly.

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