Dhruv Metals stands out as a top-notch manufacturer and supplier of high-quality Stainless Steel 431 Round Bars and Rods right in the heart of Hyderabad, India. We cater to industries that require exceptional strength, toughness, and impressive corrosion resistance. Our Stainless Steel 431 Round Bars and Rods are crafted to meet rigorous national and international standards, guaranteeing outstanding performance even in the toughest conditions. Renowned for their excellent machinability and heat treatability, these bars and rods find their way into aerospace, marine, and automotive sectors. At Dhruv Metals, we pride ourselves on delivering dependable products, ensuring timely delivery, and providing exceptional customer support.
Our Stainless Steel 431 Round Bars and Rods are made from martensitic stainless steel, featuring about 15–17% chromium and 1.2–2.5% nickel, all while keeping the carbon content low. This unique blend results in a fantastic mix of high tensile strength, moderate corrosion resistance, and remarkable toughness. When heat-treated, 431 can reach a tensile strength of 850–1,000 MPa and a yield strength of around 620 MPa, all while maintaining good ductility and impact resistance. These characteristics make Stainless Steel 431 a go-to choice for applications that demand high strength and moderate corrosion resistance.
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) |
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|
0-100°C |
0-315°C |
0-538°C |
at 100°C |
at 500°C |
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|
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.
You’ll find Stainless Steel 431 Round Bars and Rods widely utilized in industries that require components with robust strength, toughness, and decent corrosion resistance. They’re commonly used in pump and valve parts, shafts, bolts, nuts, and marine hardware. Additionally, they play a crucial role in aircraft components, propeller shafts, and oil and gas equipment, where corrosion resistance and high mechanical strength are essential. Their excellent machinability and ability to be hardened through heat treatment make them perfect for precision-engineered parts that face corrosive environments, heavy loads, and cyclic stress, ensuring they deliver long-lasting and reliable performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Dhruv Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Hyderabad , India
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