Starc Metals, based in Canberra, Australia, has earned a solid reputation as a reliable manufacturer and supplier of top-notch stainless steel products, with a particular focus on Stainless Steel 431 Round Bars and Rods. These products are celebrated for their impressive strength, precision, and resistance to corrosion, ensuring they meet the highest industry standards. Catering to sectors like automotive, aerospace, marine, and industrial engineering, Starc Metals is committed to delivering on time, maintaining superior quality, and offering competitive prices. By employing cutting-edge manufacturing techniques and rigorous quality control, they provide stainless steel solutions that boast exceptional durability, wear resistance, and reliability, making their Stainless Steel 431 Round Bars and Rods a go-to choice for demanding commercial and industrial applications throughout Australia.
Stainless Steel 431 Round Bars and Rods belong to a martensitic stainless steel grade known for its high strength, hardness, and moderate resistance to corrosion. Typically, their composition includes 16–18% chromium, 0.15–0.25% carbon, along with trace amounts of nickel, manganese, and silicon. They are recognized for their excellent machinability and can be hardened through heat treatment. In terms of mechanical properties, they showcase a tensile strength ranging from 850 to 1000 MPa, a yield strength of about 450 to 600 MPa, and a hardness between 200 and 300 HB. These characteristics make them perfect for components that demand durability, wear resistance, and dependable performance in moderately corrosive settings.
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 applications that require high strength, toughness, and corrosion resistance. They are commonly used in the production of shafts, fasteners, valves, pump components, and marine hardware. Their outstanding wear resistance and hardness make them ideal for automotive and aerospace parts that face high stress. Furthermore, they are utilized in industrial machinery, tools, and components that are exposed to moderately corrosive environments. Starc Metals’ stainless steel 431 products deliver durability, precision, and long-lasting performance.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Starc Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Canberra, Australia
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