431 Stainless Steel Round Bars

431 Stainless Steel Round Bars

431 Stainless Steel Round Bars

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Stainless Steel 431 Bars and Rods, Stainless Steel UNS S43100 Hex Bar, ASTM A276 SS 431 Cold Rolled Round Bars, ASME SA276 SS 431 Round Bar Supplier in India, 431 Stainless Steel Bright Bar, SS 431 Hex Bars, Stainless Steel 431 Square Bar, Stainless Steel 431 Bars and Rods, SS 431 Forged Bars, Stainless Steel 431 Round Bar, SS 431 Round Rod,  431 Stainless Steel Flat Bar, SS 431 Bright Bar, 431 Stainless Steel Round Bar Suppliers, 431 Stainless Round Bar, 431 Stainless Steel Round Bar, 431 Stainless Steel Suppliers In India.

431 Stainless Round Bars Supplier

Lakshya Steel is known for manufacturing and supplying high-quality 431 SS round bars all over the world. Our round bars are having strong tensile strength and remarkable resistance to corrosion, making them ideal for demanding applications in the automobiles, marine, and aerospace industries. These bars are perfect for high-performance fasteners like bolts and shafts since they are made to last and can be heat-treated to increase their hardness. Our SS 431 round bars and rods meet both national and international quality standards, ensuring reliability and performance. We offer these round bars in various specifications, including surface finish, end finish, dimensions, shapes, sizes, and lengths. We also provide custom-cut specifications to meet the unique requirements of our clients. Lakshya Steel is dedicated to providing top-notch products that meet the highest quality standards. Our in-house manufacturing unit is equipped with advanced machinery to ensure the quality of our 431 stainless steel round bars. Contact us today to learn more about our offerings and how we can support your business.

 

What are 431 Stainless Steel Round Bars?

431 stainless steel round bars are a high-strength, corrosion-resistant material known for its excellent toughness. This alloy, which combines high chromium and low nickel content, is particularly effective in environments that expose materials to oxidizing acids, organic substances, and mild marine conditions. Its unique composition allows it to be hardened and tempered, providing superior torque strength and making it ideal for demanding mechanical applications. While it’s not suitable for cold-working due to its high yield strength, it performs well in processes like deep drawing and bending. Overall, the 431 stainless steel round bar is a versatile and durable choice for various industrial uses, offering a reliable balance of strength and corrosion resistance.

Specification of SS 431 Round Bar

  Standard   410 / 1.4006  420 / 1.4021  430 /1.4016  431 / 1.4057  440 A /1.4109  440 B / 1.4112  440 C /1.4125  446 / 1.4762
  Designation   ASTM, ASME, AISI A 276 , SA 276, A 479, SA 479
  Range   3 MM TO 350 MM DIA
  Finish   Bright, Polish & Black
  Form   Round, Square, Hex (A/F), Rectangle, Wire (Coil Form), Wire-mesh, Billet, Ingot, Forging Etc.
  Application  Cutlery, Steam and gas turbine blades, Kitchen utensils, Bolts, nuts, screws, Pump and valve parts
 and shafts, Mine ladder rugs, Dental and surgical instruments, Nozzles, Hardened steel balls and
  seats for oil well pumps.

Stainless Steel 431 Round Bars Mechanical Properties

Tempering Temperature (°C) Tensile Strength (MPa) Yield Strength 0.2% Proof (MPa) Elongation (% in 50mm) Hardness Brinell (HB) Impact Charpy V (J)
Annealed * 862 655 20 285 max –
204 1345 1055 20 388 50
316 1295 1035 19 375 53
427 1350 1080 19 388 #
538 1140 965 19 321 #
593 1015 770 20 293 64
650 960 695 20 277 84

SS Round Bars Chemical Composition

Grade C Mn Si P S Cr Ni
431 0.20 max 1.00 max 1.00 max 0.040 max 0.030 max 15.00 – 17.00 1.25 – 2.50

Stainless Steel Round Bars Physical Properties

Grade

Density (kg/m3)

Elastic Modulus (GPa)

Mean Coefficient of Thermal Expansion (μm/m/°C)

Thermal Conductivity (W/m.K)

Specific Heat
0-100°C (J/kg.K)

Electrical Resistivity (nΩ.m)

0-100°C

0-315°C

0-538°C

at 100°C

at 500°C

431

7800

200

10.2

12.1

–

20.2

–

460

720

Equivalent Grades for SS 431 Round Bars

Grade

UNS No

Old British

Euronorm

Swedish SS

Japanese JIS

BS

En

No

Name

431

S43100

431S29

57

1.4057

X17CrNi16-2

2321

SUS 431

Applications of Stainless Steel 431 Round Bars

Our  SS 431 Round Bars are known for their exceptional corrosion resistance and strength, making them ideal for various industries:

Key Industries:

  • Petrochemical: Resistant to corrosion and high temperatures.
  • Oil and Gas: Durable for harsh conditions.
  • Chemical: Withstands corrosive substances.
  • Power Plant: High strength and temperature resistance.
  • Energy: Durable and wear-resistant.
  • Pharmaceuticals: Hygienic and corrosion-resistant.
  • Pulp & Paper: Resistant to wear and corrosion.
  • Food Processing: Hygienic, corrosion-resistant, and durable.
  • Aerospace: High strength-to-weight ratio and corrosion resistance.
  • Refining: Withstands harsh chemical environments.

For top-quality 431 SS round bars, trust Lakshya Steel for reliable performance and industry-specific solutions

410 Stainless Steel Fasteners Types

FAQs

What are the properties of 431 stainless steel?

431 stainless steel provides excellent corrosion resistance, high strength, and wear resistance. This high-carbon martensitic alloy can be heat treated for various properties and is enhanced with chromium. It’s ideal for demanding aerospace, automotive, and marine applications due to its ductility, toughness, and durability.

How are SS 431 Round Bars/Rods Hardened?

SS 431 round bars/rods are hardened through heat treatment, which involves heating the material to a high temperature, then quenching it in oil or air to rapidly cool it. This process increases their hardness and strength.

What is the difference between SS 416 and SS 431?

SS 416 is a martensitic stainless steel with 12-14% chromium, providing moderate corrosion resistance and good machinability. SS 431, with 15-17% chromium, is a higher-carbon martensitic steel known for excellent corrosion resistance, strength, and toughness after heat treatment.

What is the equivalent of 431 stainless steel?

431 stainless steel is equivalent to high-carbon martensitic grades like AISI 420, ASTM A276 Type 410, and EN 1.4057 (X17CrNi16-2). 

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