Starc Metals is a reliable manufacturer and supplier of Stainless Steel 431 Rectangular Bars, proudly based in Canberra, Australia. Renowned for our precision, quality, and dependability, we provide high-performance stainless steel products that align with international standards and meet our clients’ specific needs. Our Stainless Steel 431 Rectangular Bars are highly sought after for their impressive strength, hardness, and resistance to corrosion, making them perfect for tough industrial applications. Thanks to our cutting-edge manufacturing technology and strict quality control processes, Starc Metals caters to various industries, including aerospace, automotive, marine, and chemical processing, delivering durable and dependable solutions that enhance efficiency, safety, and outstanding performance in critical engineering tasks.
These Stainless Steel 431 Rectangular Bars consist of about 16–18% chromium, 2–3% nickel, and 0.2–0.5% carbon, along with trace amounts of manganese, silicon, and sulfur. This martensitic stainless steel is known for its high tensile strength, hardness, and wear resistance, while also offering moderate corrosion resistance in harsh environments. Its mechanical properties feature a tensile strength ranging from 850 to 1000 MPa, a yield strength of approximately 450 to 600 MPa, and a density of 7.75 g/cm³. Additionally, the material boasts good toughness, fatigue resistance, and hardenability, making it an excellent choice for applications that require a blend of strength, durability, and corrosion resistance.
Stainless Steel Rectangular 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 |
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|
431 |
S43100 |
431S29 |
57 |
1.4057 |
X17CrNi16-2 |
2321 |
SUS 431 |
Yes, Stainless Steel 431 Rectangular Bars can be used at high temperatures due to their excellent oxidation and corrosion resistance, typically up to 800°C.
The pressure rating of Stainless Steel 431 Rectangular Bars depends on the specific application and design, but they generally perform well under moderate pressure conditions in structural and machinery applications.
Yes, Stainless Steel 431 Rectangular Bars are fully recyclable and can be reused without losing their properties.
Stainless Steel 431 Rectangular Bars find extensive use in industries that require high mechanical strength and corrosion resistance. In the aerospace and automotive sectors, they are commonly used for shafts, fasteners, and structural components. The marine industry utilizes them for propeller shafts, pump components, and other equipment exposed to seawater. In the chemical and petrochemical fields, they are ideal for valves, fittings, and equipment that handle moderate corrosion. Furthermore, they are also applied in power generation, industrial machinery, and high-stress mechanical components.
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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