What Are Stainless Steel 431 Bars?

Stainless Steel 431 Bars are martensitic stainless steel bars known for their exceptional combination of strength, hardness, and corrosion resistance - qualities which have found widespread application throughout various industries due to these characteristics.

Stainless Steel 431 Bars have good machinability characteristics. While conventional techniques for machining them may work fine, the material tends to harden during processing which poses unique machining challenges that must be managed effectively to produce optimal results. Utilizing proper tooling and techniques are necessary in achieving desirable results.

431 Stainless Steel Bars

Compared to other grades of stainless steel 431 Bars provide moderate corrosion resistance. Ideal for mildly corrosive environments but may not withstand highly corrosive environments, they should receive regular maintenance and surface treatments to increase their resilience against corrosion.

Stainless Steel 431 Bars have moderate weldability. Preheating and post weld annealing may help minimize cracking risk while improving weld quality, with techniques such as gas tungsten arc welding (GTAW) or shielded metal arc welding (SMAW) often employed when joining these bars together.

Stainless Steel 431 Bars have numerous applications across industries such as automotive, aerospace, marine and manufacturing. Common uses for them are in components requiring high strength, hardness and corrosion resistance such as shafts, fasteners, gears, valves and pump components.

Stainless Steel 431 bars are widely utilized for building industrial machinery and equipment that requires strong mechanical properties, including pump shafts and motor shafts, bolts for heavy-duty applications, components of power transmission systems and surgical instruments that demand supreme strength and durability.

Apple Steels stands as a leading manufacturer and supplier of Stainless Steel 431 Bars in Mumbai, India. renowned for their exceptional properties and diverse applications across industries. With a reputation for reliability and quality, we deliver high-strength, corrosion-resistant bars tailored to meet the stringent demands of various sectors worldwide.

Manufacturing Process Of Stainless Steel 431 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 431 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 431 Bars, Round Bars

431 Stainless Steel Round Bar

Round Bar

431 Stainless Steel Hex Bar

Hexagonal Bar

431 Stainless Steel Square Bar

Square Bar

Other Types Of Stainless Steel 431 Rods

  • SS 431 Precision Round Bars
  • Stainless Steel 431 Polished Bar
  • UNS S43100 Bright Round Bars
  • 431 Stainless Steel Hot Rolled Bar
  • ASTM A276 SS 431 Forged Bar
  • UNS S43100 Round Bar
  • 431 SS Cold Drawn Bar
  • Stainless Steel 431 Forged Bar
  • SS 431 Rectangular Bar

Stainless Steel 431 Bars Equivalent Grades

STANDARD WERKSTOFF NR. UNS
SS 431 1.4057 S43100

Chemical Composition of SS 431 Bars

Grade C Mn Si P S Cr
410 min. 15.00
max. 0.20 1.00 1.00 0.040 0.030 17.00

Mechanical Properties of SS 431 Bars

Grade Density Electrical Resistivity Modulus of Elasticity
410 0.2800 lb/inch³ 70° Ohms (circ mil./ft.) 29.0 X 10^3

Stainless Steel Bars Technical Information

SS 431 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 431 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.