Garg Steels, a reputable manufacturer and supplier located in Chennai, India, specializes in high-quality Stainless Steel 431 Bars that are perfect for demanding industrial and engineering applications. This martensitic stainless steel is celebrated for its impressive blend of high tensile strength, solid toughness, and decent corrosion resistance. At Garg Steels, we take pride in crafting 431 bars with meticulous attention to detail, ensuring they meet international standards for uniformity and dimensional accuracy. These bars find their place in various industries, including aerospace, automotive, marine, and oil & gas, where reliable performance under mechanical stress and exposure to moderately corrosive conditions is crucial.
Stainless Steel 431 Bars generally consist of 15.0–17.0% chromium, 1.20–2.50% nickel, and up to 0.20% carbon, along with small amounts of manganese, silicon, and phosphorus. As a martensitic grade, 431 boasts remarkable tensile strength (up to 1000 MPa), impressive hardness, and good impact resistance. It can be heat-treated to boost its mechanical performance while still offering moderate corrosion resistance, particularly in marine or mildly acidic settings. This steel is magnetic, exhibits good fatigue strength, and is resistant to stress corrosion cracking, making it a top choice for structural and rotating components in challenging applications.
Dimensions : EN, DIN, JIS, ASTM, BS, ASME, AISI
Standard : ASTM A276, ASTM A479
Material Grade : Stainless Steel 431 (UNS S43100)
Stainless Steel 431 Round Bars : Outside Diameter in the range of 4mm to 500mm
Stainless Steel 431 Bright Bars : Outside Diameter in the range of 4mm to 100mm
Stainless Steel 431 Hex Bars : 18mm – 57mm (11/16″ to 2-3/4″)
Stainless Steel 431 Square Bars : 18mm – 47mm (11/16″ to 1-3/4″)
Stainless Steel 431 Flats : 1/2” to 10” in thickness range of 2mm to 150mm, Custom Size Stainless Steel Flats available
Length : 1 to 6 Meters, Custom Cut Lengths
Form : Round, Square, Hex (A/F), Rectangle, Billet, Ingot, Forging Etc.
Finish : Black, Bright Polished, Rough Turned, NO.4 Finish, Matt Finish, BA Finish
| 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 | – |
| Element | SS 431 |
| Density | 0.2800 lb/inch³ |
| Electrical Resistivity | 70° Ohms (circ mil./ft.) |
| Modulus of Elasticity | 29.0 X 10^3 |
|
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 |
Stainless Steel 431 Bars are commonly utilized in scenarios that demand a mix of strength, hardness, and corrosion resistance. In the aerospace and automotive sectors, they are essential for producing fasteners, shafts, axles, and gears. The marine industry relies on 431 for propeller shafts, pump components, and fittings that face seawater and mechanical stresses. In the oil & gas sector, these bars are perfect for valve parts, pressure vessels, and drilling components. Moreover, 431 bars are also employed in defense, mechanical engineering, and chemical processing equipment, where high fatigue resistance, structural integrity, and long-term durability are paramount.
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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