Garg Steels, a prominent manufacturer and supplier located in Chennai, India, specializes in top-quality Stainless Steel 431 Rectangular Bars and Rods, designed for applications that demand high strength and resistance to corrosion. Renowned for its outstanding mechanical properties, Stainless Steel 431 is a martensitic stainless steel that excels in situations where toughness, hardness, and moderate corrosion resistance are crucial. Garg Steels guarantees a superior surface finish, precise dimensions, and adherence to international quality standards. These rectangular bars and rods find extensive use in industries like aerospace, marine, automotive, and oil & gas, where mechanical performance and durability in harsh conditions are vital.
Stainless Steel 431 Rectangular Bars and Rods are composed of about 15.0–17.0% chromium, 1.20–2.50% nickel, and up to 0.20% carbon. This martensitic stainless steel boasts a high tensile strength ranging from 850–1000 MPa, along with excellent hardness and good toughness. It can be heat-treated to enhance its strength and wear resistance even further. The alloy offers moderate corrosion resistance, especially in mildly corrosive or marine settings. Additionally, it demonstrates good fatigue strength and resistance to stress corrosion, making it ideal for components that face dynamic or repetitive mechanical loads in challenging service conditions.
Stainless Steel Rectangular Bar Specification : ASTM A276 / A479, ASME SA276 / A479
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.
| 431 | Max | Min |
| C | 0.20 | – |
| Cr | 17.00 | 15.00 |
| Fe | Balance | – |
| Mn | 1.00 | – |
| Ni | 2.50 | 1.25 |
| P | 0.040 | – |
| S | 0.030 | – |
| Si | 1.00 | – |
|
Typical Mechanical Properties at Elevated Temperatures, Hardened at 1010oC and Tempered at 30oC Above Working Temperature |
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|
Tempering Temperature oC |
510 |
570 |
620 |
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|
Working Temperature oC |
480 |
540 |
590 |
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|
Tensile Strengt Mpa |
1350 |
720 |
435 |
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|
Elongation in 50mm % |
15 |
20 |
26 |
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|
Room Temperature Hardness after Test |
HB |
440 |
330 |
280 |
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|
Rc |
47 |
37 |
30 |
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|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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|
BS |
En |
No |
Name |
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|
431 |
S43100 |
431S29 |
57 |
1.4057 |
X17CrNi16-2 |
2321 |
SUS 431 |
Stainless Steel 431 Rectangular Bars and Rods are utilized in a variety of industries due to their strength, hardness, and moderate corrosion resistance. In the aerospace field, they serve as structural parts, fasteners, and components that experience stress. The automotive sector uses them in shafts, axles, and linkages that require fatigue resistance. In marine applications, they are perfect for pump shafts, valves, and underwater components. The oil & gas industry incorporates 431 rectangular bars in drilling and pressure-related equipment. They are also well-suited for defense, mechanical engineering, and tool manufacturing, where precision and durability are essential.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Garg Steels is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Chennai, India
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