Welcome to Tariku Metals, your trusted partner in Addis Ababa for high-grade stainless steel solutions. We take pride in manufacturing and supplying durable Stainless Steel 431 bars and rods, engineered to meet the rigorous demands of both local industries and major projects. Our commitment lies in delivering materials that combine exceptional strength with reliable performance, ensuring your endeavors are built on a foundation of quality and longevity, right here in Ethiopia.
Stainless Steel 431 is a martensitic grade known for its impressive strength and good corrosion resistance. Its composition includes chromium, which provides a protective layer, and it can be heat-treated to achieve a high level of hardness and tensile strength. This makes the material exceptionally tough and resistant to wear, offering a robust option for components that must endure demanding conditions without failing.
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 offers good machinability, but due to its high hardness, it may require specialized tools and techniques compared to lower-grade stainless steels. Proper machining practices can help achieve the desired results while maintaining the material's strength and integrity.
The strength of these bars and rods makes them ideal for a variety of demanding roles. You will often find them used in the automotive industry for critical components like shafts and fasteners, as well as in industrial settings for valve parts and pump shafts. Their toughness also lends itself well to construction applications and engineering projects where resilience under stress and exposure to mildly corrosive environments is a key requirement for long-term success.






We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Tariku Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Addis Ababa, Ethiopia
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