Rupal Metals, based in Delhi, India, stands out as a leading manufacturer and supplier of top-quality stainless steel products, including the high-performance Stainless Steel 431 Rectangular Bars. Renowned for their strength, resistance to corrosion, and excellent machinability, our 431 rectangular bars are perfect for applications that require durability and resistance to wear and impact. At Rupal Metals, we ensure that every product adheres to strict quality standards and industry specifications. With state-of-the-art manufacturing facilities and a focus on customer satisfaction, we provide reliable and long-lasting stainless steel solutions to clients in various sectors, such as aerospace, automotive, defense, and engineering.
Stainless Steel 431 Rectangular Bars are martensitic stainless steel alloys, primarily made up of 15-17% chromium and 1.25-2.5% nickel, with a carbon content of up to 0.20%. This unique composition strikes a balance between high strength, hardness, and moderate corrosion resistance. These bars boast impressive tensile strength (up to 850 MPa), yield strength around 600 MPa, and good impact resistance. They can be heat-treated and maintain their mechanical properties even under stress and high temperatures. Additionally, Stainless Steel 431 offers good machinability and fair weldability, making it an excellent choice for precision-engineered applications.
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 |
||||
|
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 demand high mechanical strength and corrosion resistance. Common applications include shafts, components for pumps and valves, fasteners, marine hardware, and structural parts for aircraft. Thanks to their hardness and wear resistance, these bars are ideal for crafting tools, gear components, and drive shafts in the automotive and aerospace industries. Their capability to perform well in mildly corrosive environments also makes them suitable for petrochemical, paper, and wastewater treatment facilities.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Rupal Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Delhi, India
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