Nestled in the heart of Safat, Kuwait, Nimish Metal has established itself as a trusted source for high-grade industrial materials. We take pride in introducing our premium Stainless Steel 431 Rectangular Bars, a product line engineered for demanding environments. Known for its exceptional strength and impressive resistance to corrosion, this specific grade is a cornerstone for projects where durability and reliability are non-negotiable. We ensure our clients receive only the finest quality bars, cut and prepared to meet their precise specifications, supporting Kuwait’s growing industrial and construction sectors with unwavering quality.
The composition of Stainless Steel 431 is carefully balanced, featuring a significant chromium content of around 16% for solid corrosion resistance, complemented by about 2% nickel. Its true strength, however, comes from its high mechanical properties. Through a precise heat treatment process, these bars achieve remarkable tensile strength and an impressive level of hardness. This combination means the material is exceptionally resilient against wear and tear, making it less prone to deformation under heavy loads or abrasive conditions, which is a key advantage over more standard stainless steels.
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.
The unique properties of these rectangular bars make them incredibly versatile across several key industries. In automotive manufacturing, they are often chosen for critical components like shafts, valves, and fasteners that must withstand high stress. The machining and tooling industry values them for creating durable jigs, fixtures, and dies. Furthermore, their strength and corrosion resistance make them ideal for specialized architectural applications, marine hardware, and components within the oil and gas sector, where performance under pressure is an absolute necessity for long-term project success.
We provide products that come with both mill test certificates and third-party test certificates, ensuring the highest standards of quality and compliance.
Nimish Metals is a leading manufacturer, supplier, and exporter of high-quality bars, rods, and forgings, catering to various industries in Safat, Kuwait
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