What Are Stainless Steel 321 Hex Bars?

Stainless Steel 321 Hex bars are solid bars made from stainless steel grade 321, which offers excellent resistance against corrosion at elevated temperatures - perfect for aerospace or chemical processing applications. It also features excellent intergranular corrosion resistance properties, which make these bars ideal for high temperature environments such as aerospace manufacturing industries. It provides increased stability and strength making them suitable for various machining/structural applications.

Stainless Steel 321 Hex bars offer exceptional corrosion resistance, making them suitable for applications in harsh environments or chemicals that corrode easily. Their corrosion-proof composition includes elements like chromium and nickel that combine to form an oxide layer on their surfaces to guard against rusting even under extreme circumstances.

321 Stainless Steel Hex Bars

Machinability of Stainless Steel 321 Hex bars reveals positive characteristics, making their manipulation easier for drilling, cutting and shaping operations. Furthermore, their alloy composition remains intact during such operations, producing smooth finishes with precise dimensions resulting from them. Such versatility enhances their use across a number of industries.

Weldability of Stainless Steel 321 Hex bars is another notable quality that makes them suitable for fabrication and joining processes, making fabrication and joining processes simpler than ever before. Their composition promotes exceptional weldability ensuring strong weld joints without compromise to corrosion resistance properties - an asset particularly appreciated in industries requiring complex structure fabrication or component assembly processes.

Applications of Stainless Steel 321 Hex bars span numerous industries, from aerospace to automotive to chemical processing to pharmaceuticals. Their corrosion resistance, machinability and weldability make these bars suitable for various structural and functional uses, from components in aircraft engines to pipelines in chemical plants. Their unique properties allow these bars to find widespread usage across many applications.

Stainless Steel 321 Hex bars find multiple applications within aircraft and aerospace structures, their corrosion-resistance is of critical importance when manufacturing structural parts for aircraft or space applications, chemical processing plants require equipment resistant to chemical substances that attack its steel. Furthermore, high pressure pipeline systems for oil and gas transportation use these hex bars for maximum reliability in demanding environments.

Apple Steels is a prominent manufacturer and supplier of Stainless Steel 321 Hex bars based in Mumbai, India. We pride ourselves on delivering superior performance and durability in various applications, ensuring our customers receive top-quality stainless steel products tailored to their needs.

Manufacturing Process Of Stainless Steel 321 Hex 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 321 Hex Bar

Specifications ASTM A276, A479 / ASME SA276, SA479
Range 3.17 MM TO 350 MM DIA
Diameter 25mm to 152mm
Tolerance h8, h9(DIN 671), h10, h11, ASTM A484, DIN 1013.
Finish Bright, Polish & Black.
Form Hexagonal
Condition Cold Drawn & Polished Cold Drawn, Centreless Ground & Polished
Other Services Machining (CNC), Centreless Grinding (CG), Heat Treatment, Anneling, Pickling, Polish, Rolling, Forging, Cutting, Bending, Minor Fabrication

Types Of Stainless Steel 321 Hex Bars

Hot Rolled Hex Bar

Hot Rolled Hex Bar

Cold Rolled Hex Bar

Cold Rolled Hex Bar

Forged Hex Bar

Forged Hex Bar

Other Types Of Stainless Steel 321 Hex Bar

  • SS 321 Cold Drawn Hexagonal Bar
  • Stainless Steel 321 Hexagonal Bar
  • SS 321 Industrial Hexagonal Bars
  • UNS S32100 Hex Bars
  • SS 321 Cold Finish Hex Bars
  • SS 321 Precision Ground Hex Bar
  • Stainless Steel 321 Custom Cut Length Hex Bar
  • ASTM A276 SS 321 Hex Bar
  • Stainless Steel 321 Hot Rolled Hex Bar

Stainless Steel 321 Hex Bars Equivalent Grades

STANDARD WERKSTOFF NR. UNS JIS EN
SS 321 1.4541 S32100 SUS 321 X6CrNiTi18-10

Chemical Composition of SS 321 Hex Bars

Grade C Mn Si P S Cr N Ni Ti
SS 321 0.08 max 2.0 max 1.0 max 0.045 max 0.030 max 17.00 - 19.00 0.10 max 9.00 - 12.00 5(C+N) – 0.70 max

Mechanical Properties of SS 321 Hex Bars

Density Melting Point Tensile Strength Yield Strength (0.2%Offset) Elongation
8.0 g/cm3 1457 °C (2650 °F) Psi – 75000 , MPa – 515 Psi – 30000 , MPa – 205 35 %

Stainless Steel Hex Bars Technical Information

SS 321 Hex Bar Industrial Application

Electrical Industry

Automotive Industry

Construction Industry

Defence Industry

Pharmaceutical Industry

Petroleum Industry

Petrochemical Industry

Milk & Dairy Industry

Export & Supply Destination of SS 321 Hex Bars

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

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

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

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