Mourad Metals is a reputable manufacturer and supplier located in Tunis, Tunisia, specializing in high-quality Stainless Steel 431 Bars and Rods for a variety of industrial sectors. Renowned for their precision in manufacturing, consistent quality, and dependable supply, Mourad Metals guarantees products that adhere to international standards and meet rigorous performance demands. Stainless Steel 431 is a high-chromium, martensitic stainless steel that strikes a remarkable balance between strength, toughness, and corrosion resistance. With state-of-the-art production facilities and stringent quality control measures, Mourad Metals offers 431 bars and rods in a range of sizes and finishes, serving industries such as engineering, marine, aerospace, and heavy-duty mechanical applications around the globe.
Stainless Steel 431 is a martensitic alloy that typically contains about 15–17% chromium, along with controlled carbon levels and small amounts of nickel to boost toughness. This unique composition grants it superior corrosion resistance compared to standard martensitic grades. Mechanically, SS 431 showcases impressive tensile and yield strength after heat treatment, along with good ductility and impact resistance. It also boasts excellent hardenability, solid fatigue strength, and reliable performance under high-stress conditions. These characteristics make SS 431 bars and rods perfect for demanding applications that require both strength and moderate corrosion 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 in a variety of applications where high strength, toughness, and corrosion resistance are crucial. They are commonly used in marine shafts, pump and valve components, fasteners, bolts, and heavy-duty mechanical parts. Additionally, they find their place in aerospace fittings, automotive components, power generation equipment, and industrial machinery that face moderate corrosive environments. Thanks to their outstanding heat-treatable properties, SS 431 bars and rods are ideal for parts that endure dynamic loads and wear. Mourad Metals is committed to supplying these products to meet specific engineering and performance needs.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Mourad Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Tunis, Tunisia
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