Neith Metals, based in Cairo, Egypt, stands out as a top-notch manufacturer and supplier of premium stainless steel products, with a particular focus on Stainless Steel 431 Round Bars and Rods. Renowned for their durability, corrosion resistance, and precision engineering, Neith Metals caters to a diverse array of industrial sectors. Thanks to their cutting-edge production facilities and strict quality control measures, the company guarantees that every product aligns with international standards. By blending technical know-how with a customer-centric approach, Neith Metals delivers dependable stainless steel round bars and rods that boast remarkable strength, toughness, and longevity—perfect for the rigorous demands of engineering, automotive, and industrial applications.
Stainless Steel 431 Round Bars and Rods are martensitic stainless steel alloys known for their high strength, hardness, and moderate resistance to corrosion. Typically, their chemical makeup includes 16–18% chromium, 0.2–0.25% carbon, along with trace amounts of nickel, manganese, and silicon. These bars and rods showcase impressive mechanical properties, featuring tensile strength up to 850 MPa, yield strength around 450 MPa, and hardness levels between 220–260 HB. They can be heat-treated to enhance toughness, wear resistance, and durability, making them an outstanding choice for precision-engineered components and industrial applications that demand reliability and long-lasting performance.
Stainless Steel Round Bar Specification : ASTM A276 / A479, ASME SA276 / A479
Dimension Standard : EN, DIN, JIS, ASTM, BS, ASME, AISI
Size : 14mm-300mm
Thickness : 50 mm to 6000 mm Long
Length : 1 To 6 Meters, Custom Cut Length
Form : Round, Square, Hex(A/F), Rectangle, Billet, Ingot, Forging Etc.
| 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 | – |
|
Typical Mechanical Properties at Elevated Temperatures, Hardened at 1010oC and Tempered at 30oC Above Working Temperature |
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|
Tempering Temperature oC |
510 |
570 |
620 |
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|
Working Temperature oC |
480 |
540 |
590 |
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|
Tensile Strengt Mpa |
1350 |
720 |
435 |
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|
Elongation in 50mm % |
15 |
20 |
26 |
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|
Room Temperature Hardness after Test |
HB |
440 |
330 |
280 |
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|
Rc |
47 |
37 |
30 |
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|
Grade |
UNS No |
Old British |
Euronorm |
Swedish SS |
Japanese JIS |
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|
BS |
En |
No |
Name |
||||
|
431 |
S43100 |
431S29 |
57 |
1.4057 |
X17CrNi16-2 |
2321 |
SUS 431 |
|
Grade |
Density (kg/m3) |
Elastic Modulus (GPa) |
Mean Coefficient of Thermal Expansion (μm/m/°C) |
Thermal Conductivity (W/m.K) |
Specific Heat 0-100°C (J/kg.K) |
Electrical Resistivity (nΩ.m) |
|||
|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
|||||
|
431 |
7800 |
200 |
10.2 |
12.1 |
– |
20.2 |
– |
460 |
720 |
Yes, Stainless Steel 431 Round Bars/Rods can be used at high temperatures, offering good oxidation and scaling resistance up to 600°F (316°C), making them suitable for moderate temperature applications.
Yes, Stainless Steel 431 Round Bars/Rods are fully recyclable. Being a type of stainless steel, they can be melted down and repurposed without losing their inherent properties, contributing to sustainability.
Yes, Stainless Steel 431 Round Bars/Rods can be welded, although preheating and post-weld heat treatment are recommended to prevent cracking and maintain the material's mechanical properties.
Stainless Steel 431 Round Bars and Rods find extensive use in industries that require strength, corrosion resistance, and dimensional stability. They’re commonly used for shafts, fasteners, valve components, pump parts, and precision machinery. Their high hardness and wear resistance make them particularly suitable for aerospace, automotive, and marine applications. Additionally, they are utilized in engineering components that face moderate corrosive environments and in decorative or structural features that need to withstand the test of time. The ability to undergo heat treatment allows for the customization of mechanical properties, ensuring they meet specific application needs.






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