What Are Stainless Steel 304/304L Bars?

Stainless Steel 304/304L Bars are metal pieces constructed using an alloy blend of iron, chromium and nickel that feature uniform cross sections to provide exceptional corrosion protection and durability in multiple industries including construction and manufacturing. As these bars have become indispensable pieces of equipment in many instances they have become an invaluable part of daily life for various sectors such as these two.

"304L" signifies low carbon content for improved weldability and reduced susceptibility to corrosion in specific environments. These bars are well-known for their corrosion-resistance, thanks to chromium, nickel and trace amounts of carbon manganese and silicon contributing to strength and durability across numerous settings.

304 Stainless Steel Bars

Stainless Steel 304/304L bars stand out for their superior resistance against corrosion in acidic or corrosive environments, making them suitable for industries like chemical processing, food manufacturing and pharmaceutical production. Their ability to resist oxidation and rust ensure long lasting performance under even adverse circumstances.

Stainless Steel 304/304L bars possess excellent mechanical properties such as high tensile strength and toughness, making them ideally suited to construction applications that demand robustness and stability. Their malleability enables quick fabrication into various shapes and sizes to increase versatility across many uses.

Automotive applications for these bars include components requiring resistance to corrosion and high temperatures, like exhaust systems and trim. Their aesthetic appeal makes them suitable for both functional and decorative uses in vehicles.

Stainless Steel 304/304L bars are commonly utilized by equipment used in brewing and dairy industries due to their hygiene properties and ease of maintenance, helping ensure product quality and food processing safety environments. Architectural and interior designers alike frequently look to bars with sleek surfaces for architectural and interior designs, often used in balustrades, handrails and decorative fixtures. Aerospace and marine industries often face harsh environments; stainless Steel 304/304L bars play a pivotal role in providing components like fasteners, fittings, and structural elements with superior corrosion resistance, high strength-to-weight ratio, and reliability.

Apple Steels is a leading manufacturer, supplier, and stockist of top-quality Stainless Steel 304/304L bars in Mumbai, India. Committed to delivering excellence, we prioritize meeting the exacting standards of diverse industries, guaranteeing unrivaled quality and dependability in our stainless steel solutions.

Manufacturing Process Of Stainless Steel 304 Bars

Casting

Melting and Casting

Steel and alloying metals are loaded into an electric arc furnace. Once in the furnace, the metal is heated to a specific temperature above its melting point, usually in excess of 2800°F.

Forming Round Bar

Forming

Most cast steel is formed by hot rolling—the slab, bloom, or billet is heated and passed through large rollers, stretching out the steel into a longer, thinner form.

Heat Treatment

Heat treatment

Heat treatment strengthens rolled stainless steel by recrystallizing the deformed microstructure. Most stainless steel is heat treated by annealing.

Descaling

Descaling

A rolled piece of stainless steel acquires a layer of oxidized “mill scale,” which needs to be washed away to restore a shiny surface finish.

Cutting Round Bar

Cutting or Machining

Stainless steel is cut to a specified shape and size. The stainless steel can be sheared with circular knives, sawed with high-speed blades, or blanked with punches.

Specification Of SS 304L Rods

SS Bar Wire Standard ASTM A276 / A479, ASME SA276 / SA479
Stainless Steel Bar Dimensions EN, DIN, JIS, ASTM, BS, ASME, AISI
Stainless Steel Round bar size Diameter: 3-~800mm
Stainless Steel Hex Bar size 2-100mm A/F
SS Flat bar size Thickness: 2 -100mm
Width: 10 to 500mm
Stainless Steel Square bar size 4 to 100mm
SS Angle bar size 3mm*20mm*20mm~12mm*100mm*100mm
Hollow Bar 32mm OD x 16mm ID to 250mm OD x 200mm ID)
Stainless Steel Rectangular Size 33 x 30mm to 295 x 1066mm
SS Bars Finish Cold (bright) drawn, centreless ground, hot rolled, smooth turned, peeled, slit rolled edge, hot rolled annealed, Rough Turned, Bright, Polish, Grinding, Centreless Ground & Black
SS Bar Tolerance H8, H9, H10, H11, H12, H13K9, K10, K11, K12 or as per clients’ requirements
Tempers Tempers range from dead soft annealed to ultra spring temper
Rolled Stainless Steel Flat Bars Condition Hardened & tempered, annealed
Cold Rolled Bar Technique Stainless Steel Hot Rolled, Cold Drawn, Cold Rolled, Forged Round Bar, Rod
Stainless Steel Rounds Bar Form Round, Rod, T-Bar, Channel Bar, Precision Ground Bar, Flat Bar, Square, Blocks, Round Rod, Rings, Hollow, Triangle, Rectangle, Hex (A/F), Threaded, Half Round Bar, Profiles, Billet, Ingot, I/H Bar, Forging etc.

Types Of Stainless Steel 304H Bars, Round Bars

304 Stainless Steel Round Bar

Round Bar

304 Stainless Steel Hex Bar

Hexagonal Bar

304 Stainless Steel Square Bar

Square Bar

Other Types Of Stainless Steel 304 Rods

  • SS 304 Precision Round Bars
  • Stainless Steel 304 Polished Bar
  • UNS S30403 Bright Round Bars
  • 304 Stainless Steel Hot Rolled Bar
  • ASTM A276 SS 304 Forged Bar
  • UNS S30400 Round Bar
  • 304H SS Cold Drawn Bar
  • Stainless Steel 304 Forged Bar
  • SS 304L Rectangular Bar

Stainless Steel 304 Bars Equivalent Grades

USA France North America Germany Germany Italy Japan Russia Spain Sweden UK European Union
AISI AFNOR UNS DIN 17006 W.N. 17007 UNI JIS GOST UNE SIS BSI EURONORM
304 Z 6 CN 18-09 S30400 X 5 CrNi 18 10 X 5 CrNi 18 12 1.4301 X 5 CrNi 1810 SUS 304 08KH18N10 06KH18N11 X 6 CrNi 19-10 23 32 304S15 304S16 X 6 CrNi 18 10
304L Z 2 CN 18-10 S30403 X 2 CrNi 18 11 1.4306 X 2 CrNi 1911 SUS 304L 03KH18N11 X 2 CrNi 19-10 23 52 304S11 X 3 CrNi 18 10

Chemical Composition of SS 304L Bars

Grade C N Si P S Cr Mn Ni Fe
304 0.08 max 0.10 max 0.75 max 0.045 max 0.030 max 18.0 - 20.0 2.0 max 8.0 - 10.5 Remainder
304L 0.03 max 0.10 max 0.75 max 0.045 max 0.030 max 18.0 - 20.0 2.0 max 8.0 - 12.0 Remainder

Mechanical Properties of SS 304 Bars

Grade Tensile Strength (ksi) 0.2% Yield Strength (ksi) Elongation% in 2 inches
304 75 30 40
304L 70 25 40

Stainless Steel Bars Technical Information

SS 304 Rods Industrial Application

Electrical Industry

Automotive Industry

Construction Industry

Defence Industry

Pharmaceutical Industry

Petroleum Industry

Petrochemical Industry

Milk & Dairy Industry

Export & Supply Destination of SS 304L Bars

Austria, Azerbaijan, Belarus, Belgium, Bulgaria, Croatia, Cyprus, Czechia/Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Moldova, Monaco, Netherlands, Norway, Poland, Portugal, Romania, Russia, Serbia, Slovakia, Spain, Sweden, Switzerland, Turkey, Ukraine, United Kingdom.

Afghanistan, Armenia, Azerbaijan, Bahrain, Bangladesh, Bhutan, British, China, Egypt, Hong Kong, India, Indonesia, Iran, Iraq, Israel, Japan, Jordan, Kuwait, Kyrgyzstan, Lebanon, Macau, Malaysia, Maldives, Mongolia, Myanmar, Nepal, North Korea, Oman, Philippines, Qatar, Russia, Saudi Arabia, Singapore, South Korea, Sri Lanka, Taiwan, Thailand, Turkey, United Arab Emirates, Vietnam.

Algeria, Angola, Botswana, Burkina Faso, Burundi, Cameroon, Central African Republic, Egypt, Eswatini, Ethiopia, Gambia, Kenya, Liberia, Libya, Madagascar, Mauritania, Mauritius, Morocco, Mozambique, Namibia, Niger, Nigeria, Rwanda, Senegal, Seychelles, South Africa, Tanzania, Tunisia, Uganda, Zambia, Zimbabwe.

Antigua and Barbuda, Bahamas, Barbados, Belize, Canada, Costa Rica, Cuba, Dominica, Dominican Republic, El Salvador, Grenada, Guatemala, Haiti, Honduras, Jamaica, Mexico, Nicaragua, Panama, Saint Lucia, Saint Vincent and the Grenadines, Trinidad and Tobago, United States of America, Argentina, Bolivia, Brazil, Chile, Colombia, Ecuador, Guyana, Paraguay, Peru, Suriname, Uruguay, Venezuela.