Semih Metals, based in Istanbul, Turkey, is a reliable manufacturer and supplier of Stainless Steel 431 Bars and Rods. They focus on delivering top-notch stainless steel products that are built for strength, toughness, and a decent level of corrosion resistance. Crafted with precision and under strict quality control, these bars and rods offer outstanding mechanical performance, durability, and precise dimensions. Semih Metals is committed to maintaining consistent quality, making their Stainless Steel 431 Bars and Rods perfect for various industries like automotive, marine, chemical, and engineering, where high-strength, wear-resistant, and durable materials are crucial for dependable operation.
The composition of Stainless Steel 431 Bars and Rods mainly includes iron, chromium (15–17%), and nickel (1.25–2.5%), along with a controlled amount of carbon. As a martensitic stainless steel, 431 can be hardened and tempered to achieve impressive tensile and yield strength, along with excellent hardness and good toughness. This alloy also offers moderate resistance to corrosion and oxidation, especially in freshwater and mildly corrosive settings. Its blend of mechanical strength, hardness, and durability makes it a great fit for applications that demand structural integrity and wear resistance.
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.
You’ll find Stainless Steel 431 Bars and Rods widely used in industries that need high strength, toughness, and moderate corrosion resistance. They’re often found in shafts, fasteners, pump and valve components, marine equipment, and structural parts. In the automotive and aerospace sectors, they’re utilized for critical components that require top-notch mechanical performance and wear resistance. Additionally, they’re used in chemical processing equipment, tooling, and machinery parts. Thanks to their ability to handle stress, maintain hardness, and perform reliably in moderately corrosive environments, Stainless Steel 431 Bars and Rods continue to be a go-to choice for demanding engineering applications.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Semih Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Istanbul, Turkey
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