Isis Metals, a prominent manufacturer and supplier located in Manila, Philippines, specializes in top-notch Stainless Steel 431 Bars and Rods. These products are celebrated for their remarkable blend of strength, toughness, and resistance to corrosion. Crafted with precision to adhere to international standards, they’re perfect for high-stress, corrosive, and mechanical settings. Isis Metals guarantees an exceptional surface finish, precise dimensions, and reliable performance across all offerings. Stainless Steel 431 Bars and Rods are well-known for their impressive tensile strength, excellent machinability, and heat-treatable features, making them a go-to choice for industrial, marine, and aerospace applications.
Stainless Steel 431 Bars and Rods are martensitic stainless steels, mainly made up of chromium (15–17%), nickel (1.25–2.50%), and carbon (≤0.20%), along with small amounts of manganese, silicon, and sulfur. This unique blend gives them outstanding strength, toughness, and moderate resistance to corrosion. The alloy boasts a tensile strength ranging from 850 to 1000 MPa and good ductility after proper heat treatment. SS 431 also offers high hardness and impact strength while ensuring decent oxidation resistance. Its excellent polishability, machinability, and resistance to stress corrosion make it perfect for precision engineering and high-performance mechanical components.
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 and Rods are ideal for applications requiring high strength and corrosion resistance. They are commonly used in marine, aerospace, automotive, and engineering industries for manufacturing shafts, fasteners, valve components, and other high-strength parts exposed to harsh environments.
Stainless Steel 431 offers a combination of high strength, excellent corrosion resistance, and good wear resistance, making it suitable for demanding applications. Unlike other grades, it has a higher hardness and is often used where mechanical performance and toughness are critical.
Stainless Steel 431 Bars and Rods find extensive use in industries that demand components with a mix of strength, hardness, and corrosion resistance. You’ll often see them in applications like pump shafts, valve components, bolts, nuts, marine hardware, and turbine parts. They’re also favored in the aerospace, chemical, and petroleum sectors due to their resilience against seawater and acidic conditions. The alloy’s ability to retain mechanical strength under stress and temperature fluctuations makes it an ideal choice for automotive parts, fasteners, and precision instruments.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Isis Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Manila, Philippines
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